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Q1 Midterm Review

Total questions: 94

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

Which of these is NOT a metric unit?

a)

Seconds

b)

Grams

c)

Meters

d)

Ounces

2.

The variable that you change in the experiment.

a)

Independent

b)

Dependent

c)

Control

d)

Control Group

3.

The variable that you measure in the experiment.

a)

Independent

b)

Dependent

c)

Control

d)

Control Group

4.

The variables that do not change in an experiment are called

a)

Independent

b)

Dependent

c)

Controls

d)

Control Group

5.

The variable that changes because you changed the other variable. (This is the data you collect.)

a)

Independent

b)

Dependent

c)

Control

d)

Manipulated

6.

Good experiments should have more that one tested variable.

a)

True

b)

False

7.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
8.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
9.
 A comprehension test was given to students after they had studied textbook material either in silence or with the television turned on. What is the dependent variable?
a)
silence
b)
television turned on
c)
score on test
d)
textbook material
10.
This group does NOT get the change to the independent variable.  This is the group that is not actually experimented on and is used as a comparison to "normal". 
a)
experimental group
b)
control group
c)
data
d)
variables
11.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant is in the same type of pot and has the same amount of soil and sunlight. What is the independent variable?
a)
The type of plant
b)
The amount of sunlight
c)
The type of pot the plant is in
d)
The type of liquid the plant gets
12.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant is in the same type of pot and has the same amount of soil and sunlight. What is the dependent variable?
a)
The growth of the plant
b)
Water, apple juice, milk
c)
Amount of sunlight
d)
Type of plant
13.

Matias wanted to see if his dog would lose weight if he took the dog for a walk twice a day instead of just once a day. What is the independent variable in this situation?

a)

The breed of dog

b)

The dog's weight

c)

How many times they go for a walk each day

d)

How fast they walked

14.

Matias wanted to see if his dog would lose weight if he took the dog for a walk twice a day instead of just once a day. What is the dependent variable in this situation?

a)

The breed of dog

b)

The dog's weight

c)

How many times they go for a walk each day

d)

How fast they walked

15.
What is the name of this graph?
a)
line plot
b)
line graph
c)
bar graph
d)
frequency table
16.

Independent variable is the one controlled by the experimenter ex: time, date, depth, temperature.... and is placed on the _____ axis of a graph

a)

z

b)

y

c)

x

d)

not on a graph

17.

Dependent variable is the data resulting FROM the change made by the experimenter and is placed on the _____ axis

a)

z

b)

y

c)

x

d)

not on a graph

18.

What type of graph would you make to show how many of your classmates were born in each month of the year?

a)

line

b)

bar

c)

circle

d)

scatter plot

19.
What is this graph missing?
a)
Axes
b)
Title
c)
Categories
d)
None of these
20.

A sneaky student wants to impress his parents by showing them a graph of his performance progress on the last 5 science tests.


Which graph should he use to impress his parents?

a)

Graph 1

b)

Graph 2

c)

Neither

d)

Both

21.

You want to make a graph for an experiment you did about plant growth over a two week period of time. What type of graph would you use?

a)

Column graph

b)

Line graph

22.

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

23.
T10 - Terrell hiked 10 miles on Sunday, 8 miles on Monday, 9 miles on Tuesday, 8 miles on Wednesday, 6 miles on Thursday, and 6 miles on Friday.  Terrell is crazy, but which line graph correctly shows the data?
a)
Graph A
b)
Graph B
24.

Which of the following could be most helpful when you want to analyze your data?

a)

Test your hypothesis over again

b)

Stare at the numbers and hum until you see a pattern

c)

Make your data into a graph

d)

State the problem

25.
T11 - What can you infer about the temperature for E.coli bacterial growth?
a)
E. coli does not grow well at low and high temperatures.
b)
E coli will continue to grow at very high temperatures.
c)
E.coli grows best at very low temperatures
d)
E.coli grows best at very high temperatures.
26.

How many meters in a kiloliter?

a)

.001

b)

10

c)

100

d)

1000

27.

How many milligrams in a gram?

a)

1

b)

10

c)

100

d)

1000

28.

1234 mL = _____ L

a)

1.234

b)

.1234

c)

12.34

d)

123.4

29.

A ___ is a possible explanation for a set of observations or answer to a scientific question; must be testable.

a)

hippopotomus

b)

hypochondriac

c)

hypothesis

d)

hypothyroid

30.

_________________ is shown in the form of tables, graphs, or scientific logs and records.

a)

Materials

b)

Variables

c)

Data

d)

CER

31.

A gray elephant stampeding across the Savannah is an example of a observation.

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

32.

Steve used a ruler to measure the length of a cube. He found the cube to be 3 cm. This is an example of a observation.

a)

Quantitative

b)

Qualitative

c)

Neither qualitative nor quantitative

33.

What kind of observation is in the picture?

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

34.

"A spaghetti noodle can hold pennies" is an example of a observation

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

35.

"A spaghetti noodle can hold 12 pennies" is an example of a observation

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

36.

There were 17 boys and 12 girls on the yellow school bus.

a)

Quantitative

b)

Qualitative

c)

Both

d)

Neither

37.

What are observations made using our five senses called?

a)

Qualitative data

b)

Quantitative data

38.

The ocean water looked bluish green.

a)

Qualitative

b)

Quantitative

39.

The bearded iris smells sweet.

a)

Qualitative data

b)

Quantitative data

40.
Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?
a)
Quantitative observations use numbers, qualitative uses the senses.
b)
Quantitative observations use the senses, qualitative uses numbers.
c)
Quantitative observations use measurement, qualitative uses numbers.
d)
Quantitative observations use colors, qualitative uses the senses.
41.
If your teacher asked you to make qualitative observations about the class’s pet hamster, which group of words might be used?
a)
A  mass of 3 kg, 11 cm long, age of 16 months
b)
A  mass of 3 kg, 11 cm long, cute
c)
A  long hair, white and brown colored, soft
d)
A  temperature, length, weight
42.

The penguin got pushed in.

a)

Qualitative Observation

b)

Inference

c)

Quantitative Observation

d)

Hypothesis

43.

The penguins are black and white.

a)

Qualitative Observation

b)

Inference

c)

Hypothesis

d)

Quantitative Observation

44.

There are 29 students in the classroom.

a)

quantitative observation

b)

qualitative observation

c)

inference

d)

hypothesis

45.

The boy is probably sad...

a)

Qualitative Observation

b)

Hypothesis

c)

Inference

d)

Quantitative Observation

46.

Observation or Inference

a)

observation

b)

inference

47.

Which statement is qualitative observation?

a)

There are four glasses total in the picture.

b)

The chicks are yellow.

c)

There are 8 legs in the picture.

d)

There are 4 beaks in the picture.

48.

What kind of observation is this? A Phineas and Ferb episode is 45 minutes long.

a)

qualitative observation

b)

quantitive inference

49.

Formatted in an "If...Then..." statement.

a)

Results

b)

Research

c)

Hypothesis

d)

Define the problem/Question

50.

Group in the experiment that recieves the variable being tested.

a)

Control Group

b)

Controlling Group

c)

Independent Group

d)

Experimental Group

51.

The group that DOES NOT receive the experimental treatment.

a)

Control Group

b)

Experimental Group

c)

Party Group

d)

Sad Group

52.

What is wrong with this graph? Select all that apply.

a)

X and Y axes are not labeled.

b)

There are no units on the graph labels.

c)

The title is irrelevant.

d)

The scales are bad.

e)

The graph is perfect.

53.

What is the relationship?

a)

Positive

b)

Negative

c)

Null

d)

There is not enough data

54.

Look at the relationship between time spent on social media, and school test performance.


What type of relationship is being displayed?

a)

Positive

b)

Negative

c)

Diagonal

d)

Null

55.

The formula used to calculate density is...

a)

D= mv

b)

D=m/v

c)

D=v/m

d)

D= m + v

56.

A plastic dinosaur has a mass of 5g and a volume of 125 cm3 What is the dinosaur's density?

a)

625 g/cm3

b)

130 g/cm3

c)

0.04 g/cm3

d)

25 g/cm3

57.

Explains WHY things behave the way they do - it is an explanation of a set of related observations or events based on a proven hypothesis and verified multiple times.

a)

Scientific Question

b)

Scientific Law

c)

Scientific Theory

d)

Scientific Supposition

58.

Explains HOW things behave - description of what happens in nature. Often expressed as a mathematical formula.

a)

Scientific Question

b)

Scientific Law

c)

Scientific Theory

d)

Scientific Supposition

59.
Stored energy.
a)
Potential Energy
b)
Kinetic Energy
60.
The energy of motion.
a)
Potential Energy
b)
Kinetic Energy
61.

Which passenger has the most potential energy?

a)

A

b)

B

c)

C

d)

D

62.

Conservation of energy means that

a)

energy can be created but not destroyed

b)

energy can be destroyed but not created

c)

energy can both be created and destroyed

d)

energy can neither be created nor destroyed

63.

Which is the best example that something has kinetic energy?

a)

a car parked on a steep hill

b)

a tennis ball rolling across the court

c)

a picture hanging on the wall

d)

a piece of coal before it's burned

64.

The ability to do work or cause change describes

a)

A Job

b)

Energy

c)

Temperature

d)

Heat

65.

Complete the following sentence. The ________________ an object moves, the more ____________________ energy it has.

a)

slower ... potential

b)

faster .... kinetic

c)

faster ... potential

d)

slower ... kinetic

66.

Thermal energy is the __________ _________ energy of moving particles

a)

total potential

b)

average potential

c)

average kinetic

d)

total kinetic

67.

Temperature is the __________ _________ energy of moving particles

a)

average potential

b)

average kinetic

c)

total potential

d)

total kinetic

68.

Law of Conservation of Mass says...

a)

Energy is always created and destroyed

b)

Energy is only in hot things

c)

Energy can be destroyed easily

d)

Energy cannot be created or destroyed

69.

As temperature increases, molecules _____________

a)

move slower

b)

move the same

c)

move faster

d)

stop moving

70.
Heat transfer in the image.
a)
conduction
b)
convection
c)
radiation
71.
Heat transfer in boiling water.
a)
Conduction
b)
Convection
c)
Radiation
72.
On a cold rainy day a baby is touching a cold window.  It feels so cold. Which way is the heat moving moving? 
a)
Cold is moving from the window to the hand.
b)
Heat is moving from the hand to the window.
c)
Heat doesn't move.
d)
It moves in currents
73.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
insulation 
74.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
75.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
76.
Heat transfer occurs
a)
in many directions
b)
both from warm objects to colder ones and from cold objects to warmer ones.
c)
only from warm objects to colder ones.
d)
only from cold objects to warmer ones.
77.
Radiation is a method of thermal energy transfer that moves -
a)
through empty space.
b)
when objects touch.
c)
only through solids.
d)
in the motion of fluids.
78.
What is the difference between heat and temperature?    
a)
a.  Temperature measures the motion of molecules, and heat is the energy of that motion
b)
b.  Temperature is measured by a thermometer, and heat is measured by a barometer
c)
c.  Heat is measured in calories, and temperature is measured in joules
d)
d.  Heat is caused by the sun, and temperature is caused by conditions in the atmosphere
79.
Why is there more thermal energy in an iceberg than in a pot of boiling water?    
a)
a.  The pot insulates the heated molecules
b)
b.  Most icebergs are fairly warm to the touch
c)
  c.  Icebergs contain many more molecules than pots of water
d)
  d.  Water does not hold heat very well
80.
A student was doing a science investigation in school.  Her teacher asked her to fill two beakers with water.  What would be the temperature of the water when it started to boil?
a)
100 degrees celsius
b)
50 degrees celsius
c)
32 degrees celsius
d)
20 degrees celsius
81.

Which has more thermal energy?

a)

teaspoon of boiling water

b)

bowl of boiling water

c)

bathtub of boiling water

82.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
83.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
84.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

85.

A chemical change

a)

changes matter from one form to another.

b)

 destroys matter.

c)

creates matter

d)

does not change matter in any way.

86.

Which of the following is a physical change?

a)

 Iron is oxidized to iron oxide

b)

Aluminum metal is pounded into thin sheets

c)

Copper reacts with a strong acid

d)

Sodium metal explodes on contact with water

87.

Diane draws a picture on a piece of paper and then folds it into a paper airplane. She throws it at her little brother, and it hits him in the head. He responds by ripping up the paper. Which of the following is an example of a physical change?

a)

ripping up the paper

b)

folding the paper into an airplane

c)

drawing on the paper

d)

 all of these

88.

Removing energy (cooling) causes the atoms to

a)

spread apart

b)

move closer together

c)

get larger

d)

get smaller

89.
Which phase of matter is represented by the atoms in this diagram? 
a)
solid
b)
liquid
c)
gas
90.
What two phase changes require heat energy to be absorbed?  
a)
melting and freezing
b)
melting and boiling
c)
freezing and boiling
d)
freezing and condensation
91.

What phase change occurs due to losing heat energy?

a)
melting
b)

freezing

c)
evaporation
d)
boiling
92.

Three containers with the same amount of the same material are shown below. Which container has the substance with the highest amount of energy?

a)

The container on the left

b)

The middle container

c)

The container on the right

d)

All have an equal amount of energy

93.

Three containers with the same amount of the same material are shown below. Which container has the substance with the lowest amount of energy?

a)

The container on the left

b)

The middle container

c)

The container on the right

d)

All have an equal amount of energy

94.

Directions: The table below shows the temperatures of several different objects made of the same material. Use the table to answer the question below.


What will happen if the ball is placed inside the box, in a closed system?

a)

Thermal energy will flow from the ball into the box until they come to the same temperature at 50°C.

b)

Thermal energy will flow from the box into the ball until they come to the same temperature at 25°C.

c)

Thermal energy will flow from the ball into the box until the box decreases in temperature to 20°C.

d)

Thermal energy will flow from the box into the ball until the ball increases in temperature to 30°C.

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