Free Printable M&C Unit 1 Test Review

1.

If a laboratory fire erupts, immediately _________.

a)

Run for the fire extinguisher.

b)

Notify your instructor.

c)

Throw water on the fire.

d)

Open the windows.

2.

You are heating a substance in a test tube. Always point the open end of the test tube ________.

a)

Toward yourself.

b)

Toward your lab partner.

c)

Toward another classmate.

d)

Away from all people.

3.

True or False:

Return all unused chemicals to their original containers.

a)

True

b)

False

4.

Hot glass looks the same as cold glass.

a)

True

b)

False

5.

Keeping your work area neat and clean is important because:

a)

My teacher is a neat-freak

b)

I won't lose my supplies in the clutter.

c)

It keeps the room from looking messy.

d)

It helps prevent accidents.

6.

After completing an experiment, all wastes should be

a)

taken home

b)

tossed in the trash can

c)

disposed of according to your teacher's directions

d)

left out for someone else to clean

7.

Approved eye protection devices (such as goggles) are worn in the laboratory

a)

to avoid eye strain

b)

to improve your vision

c)

so that you look super cool

d)

any time chemicals, heat or glassware are used

8.

Never remove chemicals, specimens, or other equipment from the laboratory.

a)

True

b)

False

9.

in the lab, you should NEVER

a)

taste substances being used

b)

wear your goggles

c)

pull your hair up if its long

d)

wear close-toed shoes

10.

Helping to clean up the lab or classroom is the job of

a)

old students.

b)

transfer students.

c)

each and every student.

d)

only the teacher.

11.

Part of lab safety includes reading the lab procedure...

a)

before doing the lab

b)

while doing the lab

c)

after doing the lab

d)

only if you think you really need it

12.

If you are not sure what to do during a lab activity:

a)

guess

b)

change lab partners

c)

ask a teacher

d)

just sit quietly and do nothing

13.

When you finish working with chemicals, biological specimens, etc., always

a)

treat your hands with skin lotion.

b)

wash your hands thoroughly with soap and water.

c)

wipe your hands on a towel.

d)

wipe your hands on your clothes.

14.

You are heating a piece of glass and now want to pick it up. You should

a)

use a rag or paper towels.

b)

pick up the end that looks cooler.

c)

use tongs.

d)

pour cold water on it.

15.

If you are injured in the laboratory, you should first

a)

visit the nurse after class.

b)

see a doctor after school.

c)

notify your science instructor.

d)

apply first aid yourself.

16.

Chipped or cracked glassware is okay to use in the laboratory.

a)

True

b)

False

17.

While performing lab using acids and bases you accidentally splash acid all over your face. What piece of safety equipment should you use immediately?

a)

fire blanket

b)

fire extinguisher

c)

eye wash station

d)

safety shower

18.

When in the lab...

a)

long sleeves and loose clothing should be rolled up

b)

closed toe shoes should be worn

c)

long hair should be pulled back

d)

all of the above

19.

If you do not understand a direction or part of a lab procedure, you should

a)

skip it and go on to the next part.

b)

ask the instructor before proceeding

c)

try several methods until something works

d)

figure it out as you do the lab

20.

Read all procedures thoroughly before entering the laboratory

a)

True

b)

False

21.

All chemicals in the lab are to be considered dangerous

a)

True

b)

False

22.

Horseplay or practical jokes in the laboratory are

a)

okay if you are working alone

b)

not dangerous

c)

okay

d)

always against the rules

23.

You have accidentally broken a test tube and spilled a chemical on the table. Which of the following best explains what you should do?

a)

Quickly dispose of the glass, wipe up the spill with the nearest cloth, and hope nobody notices.

b)

Throw the glass into the nearest trash bin and let the spill air-dry.

c)

Use water and paper towels to clean up the spill; place the broken test tube in the disposal container specified for sharp objects.

d)

Caution your lab partners to avoid the area while you inform the teacher of the small accident.

24.

If you get something in your eyes, how long do you need to use the eyewash station?

a)

15 - 20 seconds

b)

5 minutes

c)

15 - 20 minutes

d)

Don't use the eyewash.

25.

Which of these should you do in the lab?

a)

listen to all instructions before starting the lab

b)

let your teacher know if there is a problem

c)

do only the experiment the teacher instructs you to do

d)

all of these

26.

What piece of equipment (tool) is used to measure mass?

a)

Graduated Cylinder

b)

Meter Stick

c)

Triple-Beam Balance

d)

Beaker

27.

What piece of equipment (tool) is used to measure volume with the most precision?

a)

Graduated Cylinder

b)

Meter Stick

c)

Triple-Beam Balance

d)

Beaker

28.

What piece of equipment (tool) is used to measure length?

a)

Graduated Cylinder

b)

Meter Stick

c)

Triple-Beam Balance

d)

Beaker

29.

Which piece of equipment is shown in the picture?

a)

Graduated Cylinder

b)

Meter Stick

c)

Triple-Beam Balance

d)

Beaker

30.

Which piece of equipment is shown in the picture?

a)

Graduated Cylinder

b)

Meter Stick

c)

Triple-Beam Balance

d)

Beaker

31.

Which piece of equipment is shown in the picture?

a)

Graduated Cylinder

b)

Meter Stick

c)

Triple-Beam Balance

d)

Beaker

32.

Which piece of equipment is shown in the picture?

a)

Graduated Cylinder

b)

Meter Stick

c)

Triple-Beam Balance

d)

Beaker

33.

What is the volume of the liquid?

a)

39.5 mL

b)

40 mL

c)

39 mL

d)

40.0 mL

34.

What is the volume of the liquid?

a)

8.5mL

b)

8.50mL

c)

8.42mL

d)

8.4mL

35.

What is the length of the green bar?

a)

89cm

b)

88.9cm

c)

88.90cm

d)

88cm

36.

If the beams are balanced with the riders in the positions shown, what is the mass of the object?

a)

545.2g

b)

540.52g

c)

540.2g

d)

545.20g

37.

What is the volume of the liquid?

a)

36mL

b)

45mL

c)

35.0mL

d)

30.5mL

38.

A student calculates the density of a substance as $1.40\ \frac{g}{mL}$ . The accepted value of the density is $1.30\ \frac{g}{mL}$ . What is the percent error of the student's measurement rounded to the hundredth place (2 decimal places)?

(a)

39.

Rank the units from largest to smallest

a)

kilometer

b)

meter

c)

centimeter

d)

millimeter

1)

2)

3)

4)

40.

This bullseye demonstrates...

a)

High Accuracy & High Precision

b)

High Accuracy & Low Precision

c)

Low Accuracy & High Precision

d)

Low Accuracy & Low Precision

41.

The basic unit of volume in the metric system is

a)

gram.

b)

liter.

c)

second.

d)

meter.

42.

What is volume?

a)

the measure of the force of gravity

b)

a measure of the energy of motion of the particles in a substance

c)

the amount of space taken up by an object or substance

d)

the measure of how much mass is contained in a given space

43.

What is the base metric unit for length?

a)

m

b)

N

c)

kg

d)

ml

44.

What is the volume of the ring?

a)

64.0 mL

b)

68.0 mL

c)

4 mL

d)

4.0 mL

45.

What is the mass on this triple beam?

a)

40.09g

b)

40.1g

c)

401g

d)

41g

46.

What is the base metric unit for mass?

a)

meter

b)

liter

c)

gram

d)

Celsius

47.

What is the base metric unit for temperature?

a)

meter

b)

liter

c)

gram

d)

Celsius

48.

What is the length of the colored pencil?

a)

41.6

b)

41

c)

42

d)

41.50

49.

What is the length of the grey bar?

a)

87 mm

b)

87.4 mm

c)

87.40 mm

d)

87.400 mm

50.

What is the length of the red bar?

a)

8.5 cm

b)

8.45 cm

c)

8.450 cm

d)

8 cm

51.

What is the scale on this graduated cylinder?

a)

.1 mL per line

b)

.2 mL per line

c)

.5 mL per line

d)

1 mL per line

52.

What is the scale on this graduated cylinder?

a)

.1 mL per line

b)

.2 mL per line

c)

.5 mL per line

d)

1 mL per line

53.

How many estimated digits should there be when reading a measurement from a piece of lab equipment?

a)

0

b)

1

c)

2

d)

3

54.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

55.

1000 m = ___________ km

a)

100

b)

10

c)

1,000,000

d)

1.0

56.

15.6 L = ___________ mL

a)

15,600

b)

0.0156

c)

156

d)

0.156

57.

0.57 mL = ___________ L

a)

5.7

b)

57

c)

0.0057

d)

0.00057

58.

330 cm = ___________ m

a)

3,300

b)

33

c)

3.3

d)

0.33

59.

Convert 5 cm to mm:

a)

5,000mm

b)

0.5 mm

c)

0.05 mm

d)

50 mm

60.

Is 20 g greater than, less than, or equal to 2 kg?

a)

greater than

b)

less than

c)

equal to

61.

900 cm ____ 9000 mm

a)

<

b)

=

c)

>

62.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

63.

762 cL = _____ L

a)

7.62

b)

0.762

c)

76.2

d)

7,620

64.

3.85 hg = _____ cg

a)

38,500

b)

3,850

c)

38.5

d)

0.000385

65.

648 g = ____ mg

a)

6,480

b)

64,800

c)

648,000

d)

64.8

66.

285 kg = ____ g

a)

285,000

b)

285

c)

2,850

d)

28,500

67.

159.7 g = ___________ kg

a)

0.1597

b)

1.597

c)

15.97

d)

1597

68.

Is 11 g greater than, less than, or equal to 1,100 mg?

a)

greater than

b)

less than

c)

equal to

69.

32.9 km = ___________ cm

a)

32,900

b)

329,000

c)

3,290,000

d)

32,900,000

70.

Mr. Sheridan estimates it will take him 48 minutes to run 8 miles. It actually takes him 60 minutes. What was the percent error in his estimation?

a)

8%

b)

12%

c)

20%

d)

25%

e)

80%

71.

Mr. Sheridan estimates it will take him 60 minutes to run 8 miles. It actually takes him 48 minutes. What was the percent error in his estimation?

a)

8%

b)

12%

c)

20%

d)

25%

e)

80%

72.

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

a)

16.67%

b)

20%

c)

2500%

d)

80%

73.

The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

a)

16%

b)

18.75%

c)

2.25%

d)

18%

74.

Students worked in teams to measure the length of an object. The actual length of the object was 7.0 cm.. Select the best choice that represents their data in terms of accuracy and precision

GROUP RESULTS

5.00 cm

5.01 cm

5.02cm

4.99 cm

5.00 cm

4.99 cm

a)

both accurate and precise

b)

only accurate

c)

only precise

d)

not accurate and not precise

75.

Accuracy is

a)

How close measurements are to the true value

b)

How close together measurements are to each other

76.

Precision is

a)

How close measurements are to the true value

b)

How close together measurements are to each other

77.

The more significant figures our instrument can read to, the more accurate our data

a)

True

b)

False

78.

Describe the accuracy and precision of the image

a)

Accurate and Precise

b)

Accurate and not precise

c)

Not Accurate and Precise

d)

not accurate and not precise

79.

Describe the accuracy and precision of the image

a)

Accurate and Precise

b)

Accurate and not precise

c)

Not Accurate and Precise

d)

not accurate and not precise

80.

Which is the more precise measurement?

a)

4 mL

b)

4.3 mL

c)

4.30 mL

d)

4.300 mL

81.

Describe the accuracy and precision of the image

a)

Accurate and Precise

b)

Accurate and not precise

c)

Not Accurate and Precise

d)

not accurate and not precise

82.

A student measures 28mL but the correct volume is 25mL. What is their percent error?

a)

12%

b)

-12%

c)

3%

d)

-3%

83.

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

a)

21%

b)

17.37%

c)

17.4%

d)

21.02%

84.

Which student had the more accurate results?

a)

Student A

b)

Student B

c)

Student C

d)

Cannot be determined

85.

What conclusion can be made from this graph?

a)

The gummy bear did not change mass after 24 hours of being submerged in water.

b)

The gummy bear grew the longest in length after being submerged in vinegar.

c)

Gummy bears change color when they are submerged in different liquids.

86.

What conclusions can you draw from this graph?

a)

The deer population went down over time.

b)

The deer population went up over time.

c)

The dear population went up quickly, then down, but then stayed the same.

87.

Name a controlled variable (constant) for this experiment.

a)

the type of solution in each container

b)

The amount of solution used in each container

c)

the length of the gummy bear after it was submerged

88.

What is the independent variable of this experiment based on this graph?

a)

the color of the gummy bear

b)

the different types of solutions used to submerge the gummy bears.

c)

the length of the gummy bears after they were submerged in different liquids

89.

T8 - What does this graph show?

a)

Number of bacteria on your skin.

b)

How different bacteria cultures grow over time

c)

Type of Bacteria

90.

The purpose of this study was to discover

a)

Does water depth affect temperature?

b)

Does water depth affect the number of fish?

c)

Does temperature affect the water depth?

91.

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

a)

15.79%

b)

18.75%

c)

2.25%

d)

18%

92.

Anjuli performed an experiment to determine the respiration rate of yeast. She determined this by measuring carbon dioxide (CO2) production over time. Then, she produced the following graph.

Her teacher suggested that she redraw her graph as a line graph. Why should she redraw the graph?

a)

A line graph looks better in a scientific report.

b)

She was measuring a rate of change.

c)

She had graphed the wrong relationship.

d)

Her experiment had many different variables.

93.

Maria wanted to learn more about the birds that visit her backyard. She installed several bird feeders and offered the same variety of bird seed mixes in each feeder in order to attract a mix of bird species. For a month, she observed the bird feeders three times a day for an hour each day and counted the types of birds that visited the feeders. Then, she made a pie chart to compare the numbers of birds of each species that visited the feeders.

What is the most likely reason that she chose a pie chart?

a)

To show the total number of birds that she observed.

b)

To show the number of times that each bird visited the feeders.

c)

To show which bird species were most common.

d)

To show how the bird species changed over time.

94.

The horizontal axis is the _________

a)

X axis

b)

Y axis

c)

Z axis

d)

A axis

95.

The vertical axis is the ___________

a)

X axis

b)

Y axis

c)

Z axis

d)

A axis

96.

What data does this graph represent?

a)

Change in temperature of a liquid over time in 3 different containers

b)

How temperature can change the molecules in a material

c)

The phase changes of a material

d)

What type of container people use the most to store hot liquids.

97.

Which type of container keeps liquid the hottest for the longest time?

a)

Bag

b)

Cooler

c)

Cooler and bag are tied

d)

Styrofoam

98.

What was the temperature of the liquid in the Styrofoam container at 4:00?

a)

55 degrees

b)

68 degrees

c)

73 degrees

d)

63 degrees

99.

What conclusions can you draw from this graph?

a)

The deer population went down over time.

b)

The deer population went up over time.

c)

The dear population went up quickly, then down, but then stayed the same.

d)

There are less dear because of hunters

100.

Which of the following is an accurate observation that you could make based on what this graph shows.

a)

There was no change to the gummy bear after 24 hours of being submerged in water.

b)

The gummy bear changed the most in length from being submerged in vinegar

c)

The gummy bear that has the greatest mass is the one that was submerged in vinegar.

d)

Gummy bears change color when they are submerged in different liquids.

101.

What is the independent variable of this experiment based on this graph?

a)

the length of the gummy bear before it was submerged

b)

the different types of solutions used to submerge the gummy bears.

c)

the length of the gummy bears after they were submerged in different liquids

102.

What is this graph showing you?

a)

The worlds population is staying the same.

b)

The worlds population is going down (decreasing).

c)

The worlds population was growing but now is decreasing.

d)

The worlds population has been growing and will continue to grow.

103.

Crickets chirp to attract other crickets. The temperatures and rates of their chirping are graphed above. Which statement below is most likely true for the data represented in the graph?

a)

The cooler the temperature, the louder the crickets chirp

b)

The crickets cannot chirp at temperatures lower than 10 degrees C.

c)

The warmer the temperature, the more often crickets chirp.

d)

The temperature and the chirping of crickets are not related.

104.

Hypothesis: If you get at least 6 hours of sleep, you will do better on tests than if you get less sleep.
What is the independent variable in this experiment?

a)

Amount of Sleep

b)

Test Scores

c)

Amount of Coffee

d)

Type of Bed

105.

Hypothesis: If you get at least 6 hours of sleep, you will do better on tests than if you get less sleep.
What is the dependent variable in this experiment?

a)

Test Scores

b)

Amount of Sleep

c)

Amount of Coffee

d)

None of the Above

106.

Which variable is found on the y-axis?

a)

Independent

b)

Manipulated

c)

Dependent

d)

Input

107.

Which one of these does NOT change during the experiment?

a)

Independent

b)

Dependent

c)

Controlled Variables

d)

Control Group

108.

What is the independent variable on this graph?

a)

Year

b)

Number of Visitors

c)

Visitors to a Park

d)

none of these

109.

What is the dependent variable on this graph?

a)

Year

b)

Number of Visitors

c)

none of these

110.

A bottle of hand sanitizer is 88mL. What is its volume in Liters?

a)

.88 Liters

b)

.088 Liters

c)

8.8 Liters

d)

88 Liters

111.

A milligram is ____________ a gram.

a)

less than

b)

greater than

c)

equal to

112.

Scenario: You want to test whether water helps to improve plant growth. What is the Independent Variable? (Remember: Independent Variables are what "I"change in the experiment.

a)

The growth of the plant

b)

Amount of Sunlight

c)

Amount of Water

113.

Scenario: You want to test whether water improves the growth of plants. What is the Dependent variable? (Remember: Dependent Variables are what you are measuring or observing.)

a)

The amount of water

b)

The growth of the plant

c)

The amount of sunlight

114.

Scenario: You want to test whether growth hormone helps to create bigger cows. What is the Independent Variable? (Remember: Independent Variables are what "I"change in the experiment.

a)

How much the cows weigh

b)

The amount of growth hormone

c)

How much the cows eat.

115.

An experiment is conducted to test how different cleats change an athletes running speed. Six different types of cleats are tested and the 100m run time is recorded. What is the independent variable?

a)

The type of cleat

b)

The run time

c)

The 100 meters

d)

The athlete

116.

A test is set up to test which brand of soda creates the biggest foam explosion when adding a Mentos candy. Three different sodas were tested. They measured the height of the foam eruption. What is the dependent variable?

a)

Brand of soda

b)

Number of mentos candies used

c)

Height of foam eruption

d)

Temperature of soda

117.

Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted is a(n) example of what step.

a)

question

b)

experiment

c)

form a hypothesis

d)

analyze/conclusions

118.

Johnathan’s data showed that household cockroaches moved away from raw cucumber slices is (a)n example of what step?

a)

question

b)

experiment

c)

form a hypothesis

d)

analysis/conclusions

119.

Rene grew bacteria from the mouth on special plates in the laboratory. She placed drops of different types of mouthwash on bacteria on each plate is an example of what step?

a)

question

b)

experiment

c)

form a hypothesis

d)

analysis/conclusion

120.

An experiment is conducted to test how different cleats change an athletes running speed. Six different types of cleats are tested and the 100m run time is recorded. What is the independent variable?

a)

The type of cleat

b)

The run time

c)

The 100 meters

d)

The athlete

121.

A test is set up to test which brand of soda creates the biggest foam explosion when adding a Mentos candy. Three different sodas were tested. They measured the height of the foam eruption. What is the dependent variable?

a)

Brand of soda

b)

Number of mentos candies used

c)

Height of foam eruption

d)

Temperature of soda

122.

Which of the following is a quantitative observation?

a)

The bird is very colorful.

b)

The bird has 4 different colors on him.

c)

The bird has many, many feathers.

d)

It is a bird.

123.

What step does every scientific experiment begin with?

a)

hypothesis

b)

investigation/observations

c)

experiment

d)

conclusion

124.

Justin wondered if dyes could be taken out of plant leaves, flowers, and stems is a(n) example of what step?

a)

question

b)

experiment

c)

form a hypothesis

d)

analysis/conclusions

125.

Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.

In Sendel's driving experiment, what is the independent variable?

a)

What time of day she drives

b)

The route she takes to work

c)

The speed at which she drives

d)

The time is takes to get to work

126.

Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.

In Sendel's driving experiment, what is the control group?

a)

Highway

b)

Backroads

c)

Time she drives to work

d)

Rush hour

127.

Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.

In Sendel's driving experiment, what is the experimental group?

a)

Highway

b)

Backroads

c)

Time she drives to work

d)

Rush hour

128.

A zoologist wants to know if feeding mice a vitamin supplement will make them grow larger. She feeds 50 mice their regular food, and she feeds 50 other mice food with vitamins. She measures the weight of the mice at the start and end of the experiment.

a)

Dependent Variable

Type of Food

b)

Dependent Variable

Weight of Mouse

129.

A zoologist wants to know if feeding mice a vitamin supplement will make them grow larger. She feeds 50 mice their regular food, and she feeds 50 other mice food with vitamins. She measures the weight of the mice at the start and end of the experiment.

a)

Independent Variable

Type of Food

b)

Independent Variable

Weight of Mouse

130.

Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?

a)

the one with water

b)

the one with soda

c)

the one with milk

d)

the one with no liquid

131.

Dory set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

a)

distance traveled by the ball

b)

height of the ramp

c)

mass of the ball

d)

ball type

132.

A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

a)

the male alligators

b)

the incubator

c)

the gender of the alligator

d)

the temperature

133.

Students were involved in an experiment to investigate whether playing music while they took a test affected their scores. What would their test scores be?

a)

Independent variable

b)

Dependent variable

c)

Controlled variable

d)

Hypothesis

134.

In this experiment the independent variable would be:

a)

The egg.

b)

The volume of water.

c)

The amount of salt.

d)

The float level.

135.

In this experiment the independent variable would be:

a)

The type of fertiliser.

b)

The potting mix used.

c)

The type of plant.

d)

The amount of water given per week.

136.

In this experiment the independent variable would be:

a)

The distance travelled by the model planes.

b)

The force each was thrown with.

c)

The materials each was made with.

d)

The type of model.

137.

Data from an experiment is often organized into tables, charts, and graphs during which step of the scientific method?

a)

Identifying the Question or Problem

b)

Designing the Experiment

c)

Forming the Hypothesis

d)

Analyzing the Results

138.

^{What type of graph is used to compare categories or groups of data?}

a)

Line Graph

b)

Pictograph

c)

Bar Graph

d)

Histogram

139.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

a)

distance traveled by the ball

b)

height of the ramp

c)

mass of the ball

d)

weight of the ball

140.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.

a)

height of the ramp

b)

distance traveled by the ball

c)

mass of the ball

d)

weight of the ball

141.

One tank of goldfish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily.

(What's the Independent Variable?)

a)

Fish fed normally once a day.

b)

Weight of the fish.

c)

Times fed per day/amount of food.

d)

Type of fish tank.

142.

One tank of goldfish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily.

(What's the Dependent Variable?)

a)

Fish fed normally once a day.

b)

Weight of the fish.

c)

Times fed per day/amount of food.

d)

Type of fish tank.

143.

You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You try to get rid of this slime by adding lemonade juice. You spray half of the shower with lemonade juice and spray the other half of the shower with water. After 3 days of spraying equal amounts 3 times a day, there is no change in the appearance of the green slime on either side of the shower.

(What's the Control Group?)

a)

Appearance of slime.

b)

The half strayed with water.

c)

Amount of liquid sprayed.

d)

The lemonade juice.

144.

You want to test which size of soccer ball is easiest to juggle with your feet. You test a size 3, size 4, and size 5 ball. You count the seconds the ball stays in the air for each of the trials. You allow yourself to use both of your feet, knees, and head to juggle the ball.

(What's the Dependent Variable?)

a)

There isn't one.

b)

Time ball spends in air.

c)

What you hit it with.

d)

Size of the ball.

145.

You want to test which size of soccer ball is easiest to juggle with your feet. You test a size 3, size 4, and size 5 ball. You count the seconds the ball stays in the air for each of the trials. You allow yourself to use both of your feet, knees, and head to juggle the ball.

(What's the Control Group?)

a)

There isn't one.

b)

Time ball spends in air.

c)

What you hit it with.

d)

Size of the ball.

146.

You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You try to get rid of this slime by adding lemonade juice. You spray half of the shower with lemonade juice and spray the other half of the shower with water. After 3 days of spraying equal amounts 3 times a day, there is no change in the appearance of the green slime on either side of the shower.

(What's the Independent Variable?)

a)

Appearance of slime.

b)

The half strayed with water.

c)

Amount of liquid sprayed.

d)

The lemonade juice.

147.

Different types of rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.

(What’s the Independent Variable?)

a)

The number of flowers.

b)

Different types of rose bushes.

c)

The greenhouse.

d)

There isn't one.

148.

You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two- week period, the height is measured.

(What’s the Independent Variable?)

a)

Height of the plant.

b)

Type of plant.

c)

Concentration of salt solution.

d)

Plant getting pure water.

149.

Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.

(What’s the Independent Variable?)

a)

Humidity level.

b)

Height of each tree.

c)

The tree left outside.

d)

Type of tree.

150.

You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two- week period, the height is measured.

(What’s the Dependent Variable?)

a)

Height of the plant.

b)

Type of plant.

c)

Concentration of salt solution.

d)

Plant getting pure water.

151.

Pea plant clones are giving different amounts of water for three-week period. The first pea plant receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water: the plant only receives natural ways of receiving water. The heights of the pea plants are recorded daily.

(What’s the Independent Variable?)

a)

Height of the plant.

b)

Amount of water.

c)

The plant only getting water naturally.

d)

Type of plant.

152.

Pea plant clones are giving different amounts of water for three-week period. The first pea plant receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water: the plant only receives natural ways of receiving water. The heights of the pea plants are recorded daily.

(What’s the Control Group?)

a)

Height of the plant.

b)

Amount of water.

c)

The plant only getting water naturally.

d)

Type of plant.

153.

Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.

(What’s the Dependent Variable?)

a)

Humidity level.

b)

Height of each tree.

c)

The tree left outside.

d)

Type of tree.

154.

Different types of rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.

(What’s the Dependent Variable?)

a)

The number of flowers.

b)

Different types of rose bushes.

c)

The greenhouse.

d)

There isn't one.

155.

You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two- week period, the height is measured.

(What’s the Control Group?)

a)

Height of the plant.

b)

Type of plant.

c)

Concentration of salt solution.

d)

Plant getting pure water.

156.

Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.

(What’s the Control Group?)

a)

Humidity level.

b)

Height of each tree.

c)

The tree left outside.

d)

Type of tree.

157.

Pea plant clones are giving different amounts of water for three-week period. The first pea plant receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water: the plant only receives natural ways of receiving water. The heights of the pea plants are recorded daily.

(What’s the Dependent Variable?)

a)

Height of the plant.

b)

Amount of water.

c)

The plant only getting water naturally.

d)

Type of plant.

158.

You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You try to get rid of this slime by adding lemonade juice. You spray half of the shower with lemonade juice and spray the other half of the shower with water. After 3 days of spraying equal amounts 3 times a day, there is no change in the appearance of the green slime on either side of the shower.

(What's the Dependent Variable?)

a)

Appearance of slime.

b)

The half strayed with water.

c)

Amount of liquid sprayed.

d)

The lemonade juice.

159.

One tank of goldfish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily.

(What's the Control Group?)

a)

Fish fed normally once a day.

b)

Weight of the fish.

c)

Times fed per day/amount of food.

d)

Type of fish tank.

160.

You want to test which size of soccer ball is easiest to juggle with your feet. You test a size 3, size 4, and size 5 ball. You count the seconds the ball stays in the air for each of the trials. You allow yourself to use both of your feet, knees, and head to juggle the ball.

(What's the Independent Variable?)

a)

There isn't one.

b)

Time ball spends in air.

c)

What you hit it with.

d)

Size of the ball.

161.

The things that are kept the same to ensure the results are due to the experiment are called..

a)

Control Group

b)

Constants

c)

Independent Variable

d)

Dependent Variable

162.

The variable that is changed on purpose is..

a)

Control Group

b)

Constants

c)

Independent Variable

d)

Dependent Variable

163.

The variable that is measured/affected by another variable is..

a)

Control Group

b)

Constants

c)

Independent Variable

d)

Dependent Variable

164.

The part of the experiment that is kept the same so we can compare our results to see if there is a change..

a)

Control Group

b)

Constants

c)

Independent Variable

d)

Dependent Variable

165.

3 students are measuring the length of Miss Nelson's desk. The real desk length is 3 meters.

How can Student A's measurements be classified?

a)

accurate only

b)

precise only

c)

accurate and precise

d)

neither accurate or precise

166.

3 students are measuring the length of Miss Nelson's desk. The real desk length is 3 meters.

How can Student C's measurements be classified?

a)

accurate only

b)

precise only

c)

accurate and precise

d)

neither accurate or precise

167.

If you are converting from dm to hm, how many places and in what direction do you have to move the decimal?

a)

3 right

b)

3 left

c)

2 right

d)

2 left

168.

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

a)

A

b)

B

c)

C

d)

D

169.

Which of the following lines represents the line of best fit for the scatter plot?

a)

A

b)

B

c)

C

d)

D

170.

Which of the following lines represents the line of best fit for the scatter plot?

a)

A

b)

B

c)

C

d)

D

171.

Which of the following lines represents the line of best fit for the scatter plot?

a)

A

b)

B

c)

C

d)

D

172.

A data point that is far away from other points and doesn't fit the general pattern is...

a)

a single point

b)

an outlaw

c)

forgotten data

d)

an outlier

173.

In an experiment to determine the effects of listening to loud music on test scores, what would the x-axis label be?

a)

Type of music

b)

Test score

c)

Volume of music

d)

Grade in class

174.

Describe the trend shown in the graph.

a)

As the volume decreases, the mass stays the same.

b)

As the mass decreases, the volume increases.

c)

As the volume increases, the mass increases.

d)

As the mass increases, the volume stays the same.

175.

The graph shows the number of inches a plant grew each week.

Between which 2 weeks did the plant grow the MOST?

a)

Week 1 and Week 2

b)

Week 2 and Week 3

c)

Week 3 and Week 4

d)

Week 4 and Week 5

176.

This graph provides evidence to support the claim that

a)

the enhanced greenhouse effect is occurring

b)

the greenhouse effect is occurring

c)

humans are changing the planet

d)

CO2 is decreasing but temperature is increasing

177.

Which of the following would be a reasonable claim for this graph?

a)

As the elevation increases, the temperature decreases.

b)

As the elevation increases, the temperature increases.

c)

As the elevation increases, the temperature is unaffected.

d)

The air is thinner at higher elevations due to the decreased force of gravity so it cannot absorb as much heat and the temp is lower.

178.

What kind of correlation does this graph show?

a)

Negative

b)

Positive

c)

None

179.

Which 2 data points would provide the BEST evidence to support the claim "the more books someone owns the more hours they will spend reading"?

a)

When 1 book is owned, people spend 1 hour reading.

b)

When 3 books are owned, people spend 3 hours reading.

c)

When 7 books are owned, people spend 7 hours reading.

d)

When 10 books are owned, people spend 10 hours reading.

180.

What kind of correlation is demonstrated on this graph between ice cream consumed and clothing worn?

a)

Positive

b)

Negative

c)

None

181.

Which 2 graphs support the claim "As the temperature increases, more KNO₃ will dissolve"?

a)

A

b)

B

c)

C

d)

D

182.

What kind of correlation is demonstrated on this graph between Shoe side and test score?

a)

Positive

b)

Negative

c)

None

183.

What is the best kind of graph to represent this data?

a)

Line graph

b)

Table graph

c)

Bar graph

d)

Pie chart

184.

What reasoning could be used to support the claim "As practice time increases, strikes also increase"?

a)

When you practice more you get more strikeouts.

b)

The graph shows it.

c)

More practice increases muscle memory, strength and coordination which are skills necessary to consistently hit a strike.

d)

You get more strikeouts with more practice.

185.

What would be the best CLAIM statement for this graph?

a)

Water closer to the surface is able to absorb more heat energy from the sun so it is warmer than the deeper water, which cannot be reached by the sunlight.

b)

As the water depth increases, the temperature decreases.

c)

As water depth decreases, the temperature increases.

d)

See the graph

186.

What kind or corollary relationship does this chart demonstrate between water depth and temperature?

a)

Positive

b)

Negative

c)

None

187.

What kind of correlation appears to exist between the size of the television and amount of time spent watching it?

a)

Positive

b)

Negative

c)

None

188.

What reasoning could be provided to support the the claim "The size of the television has no correlation to the amount of time a person watches it"?

a)

People with bigger TVs always watch more TV.

b)

The size of the TV is unrelated to how much TV people watch.

c)

See the graph.

d)

The size of television probably has more to do with how much money people make and are wiling to spend on the TV or the size of their room, not how much actually watch it.

189.

What kind of correlation appears to exist between height and weight?

a)

Positive

b)

Negative

c)

None

190.

What 2 pieces of evidence could be used to support the claim "As height increases so does weight"?

a)

A 37" kid is 70lbs

b)

See the graph

c)

As people grow they get more cells which weigh more so their overall weight would increase as well.

d)

A 55" kid is 150lbs

191.

What would be the best kind of graph to represent this data?

a)

Pie chart

b)

Line Graph

c)

Table Graph

d)

Bar Graph

192.

Alexander was studying the effect of playing rock music on plant growth. One of the plants was exposed to rock music for 24 hours a day for a period of 6 weeks. Data on the growth of the plant was collected at the end of each week and plotted in a graph. Based on the data, which would be the MOST reasonable measurement at the end of an 8-week period?

a)

2 dm

b)

6 dm

c)

8 dm

d)

16 dm

193.

In this experiment, the independent variable they are testing is_____

(Important: Refer to the image and read the experiment description)

a)

The type of solution the egg is placed in

b)

The amount of time they were in the solution

c)

Change in the mass of eggs

d)

The ending mass of the eggs

194.

This group also recorded a dependent variable, which is represented by_________

(Important: Refer to the image and read the experiment description)

a)

The change in the mass of the eggs

b)

The ending mass of the eggs

c)

The amount of time the were in the solution

d)

The type of solution the egg is placed in

195.

A golf club company has four models of golf clubs. Average strokes saved per 18 holes is a positive indicator of quality (the more strokes saved, the better the golf clubs). The manufacturing time per set is a measure of how long it takes to manufacture one set of clubs. If the company wishes to produce a lot of golf clubs quickly, which set would be the best choice to meet their criteria, based on the data table?

(Hint: Refer to image 1)

a)

Legacy

b)

Titleist

c)

Premium

d)

Taylor Made

196.

Based on the data this group gathered, the most appropriate hypothesis would be_________

(Important: Refer to the image and read the experiment description)

a)

“If an egg is placed in a pure water solution, then the egg will gain weight"

b)

“If three eggs are each placed in three different solutions, then the egg in distilled water will lose weight.”

c)

“If an egg is placed in vinegar overnight, then its shell will dissolve.”

d)

“If an egg is placed in corn syrup, then it will gain weight.”

197.

In a hypothesis the __________________ variable is what is being tested, while the _________________ variable is the one being measured in response.

a)

control; dependent

b)

independent; control

c)

dependent; independent

d)

independent; dependent

198.

Eight college students recorded how many hours they exercised every week. Then they measured their pulse (heartbeats per minute) while they were resting. What does the graph show?

a)

The more you exercise, the higher your resting pulse.

b)

The more you exercise, the lower your resting pulse.

c)

Exercise has no effect on your resting pulse.

d)

All of the college students had the same resting pulse.

M&C Unit 1 Test Review

Total questions: 198

Worksheet time: 4hrs 9mins

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