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unit one study

Total questions: 104

Worksheet time: 2hrs 20mins

Name
Class
Date
1.

Fill in the blank: Never use ______ glassware.

a)

broken

b)

clean

c)

new

d)

sterile

2.

Fill in the blank: Never heat glassware that isn’t thoroughly ______.

a)

dried

b)

cleaned

c)

labeled

d)

covered

3.

Fill in the blank: Use ______-resistant gloves to pick up glassware.

a)

heat

b)

water

c)

chemical

d)

cold

4.

Fill in the blank: Safety ______ should always be worn when using glassware.

a)

goggles

b)

gloves

c)

aprons

d)

shoes

5.

Fill in the blank: ________ should always be worn when working with fire.

a)

Safety goggles

b)

Sandals

c)

Wool gloves

d)

Baseball cap

6.

Fill in the blank: Never heat anything unless ________ to do so.

a)

instructed

b)

curious

c)

bored

d)

forced

7.

Fill in the blank: Never heat anything with a ________ container.

a)

closed

b)

open

c)

plastic

d)

metal

8.

Fill in the blank: Always use clamps, tongs, or ________ gloves to handle hot objects.

a)

heat resistant

b)

plastic

c)

cotton

d)

rubber

9.

Fill in the blank: Have a ________ work area.

a)

clean

b)

messy

c)

crowded

d)

noisy

10.

Chemical Safety: Never smell chemicals directly. What method should you use instead?

a)

WAFT

b)

Inhale deeply

c)

Sniff closely

d)

Taste a small amount

11.

Chemical Safety: Who should instruct you on how to dispose of chemicals?

a)

Your teacher

b)

Your classmate

c)

The janitor

d)

A friend

12.

What should you do if chemicals get on your skin or clothes?

a)

Immediately rinse with water and notify your teacher

b)

Wipe it off with a cloth and continue working

c)

Wait for the chemical to dry before taking action

d)

Ignore it if it doesn't hurt

13.

What locations should you know in case of a chemical emergency?

a)

Shower and eyewash station

b)

Cafeteria

c)

Main office

d)

Library

14.

Eye and Face Safety: You must wear ________ when working in the lab to protect your eyes and face.

a)

safety goggles

b)

sandals

c)

baseball cap

d)

scarf

15.

Eye and Face Safety: When heating a test tube or bottle, you should always point it:

a)

Toward yourself

b)

Toward others

c)

Away from you and others

d)

Upwards

16.

Fill in the blank: If your skin is cut while using a sharp instrument, you should notify your _____

a)

teacher

b)

classmate

c)

janitor

d)

neighbor

17.

Electrical Safety: Do not plug more than ___ appliances in at any one outlet.

a)

two

b)

four

c)

five

d)

six

18.

Electrical Safety: Keep ___ away from appliances and outlets.

a)

liquids

b)

books

c)

shoes

d)

pillows

19.

Which of the following is an important animal safety rule?

a)

Cause pain to an animal

b)

Do not cause pain or injury to an animal

c)

Ignore animal safety

d)

Perform stunts with animals

20.

Fill in the blank: You should wash your hands thoroughly after handling ______ or their cages.

a)

animals

b)

books

c)

computers

d)

clothes

21.

What does this symbol stand for?

a)

Eye Safety

b)

Fire Hazard

c)

Radiation Warning

d)

Chemical Spill

22.

What does this symbol stand for?

a)

Animal Safety

b)

Fire Hazard

c)

Radioactive Material

d)

Recycling

23.

What does this symbol stand for? (The symbol shows an electrical plug.)

a)

Electrical Safety

b)

Fire Hazard

c)

Biohazard

d)

Radiation Warning

24.

What does this symbol stand for?

a)

Heat Safety

b)

Cold Hazard

c)

Electrical Safety

d)

Chemical Spill

25.

What does this symbol stand for?

a)

Glassware Safety

b)

Electrical Safety

c)

Fire Hazard

d)

Chemical Spill

26.
Identify the piece of lab equipment seen in the image.
a)
Erlenmeyer Flask
b)
Graduated Cylinder
c)
Beaker
d)
Test Tube
27.
Identify the primary function of the lab equipment seen in the image.
a)
Transfer small amounts of liquid
b)
Transfer large amounts of liquid
c)
Measure liquid volume
d)
Mixing liquid chemicals
28.

What is this piece of lab equipment called?

a)

Beaker

b)

Graduated cylinder

c)

Test tube

d)

Funnel

29.

What is the name of this piece of equipment?

a)

Thermometer

b)

Bunsen burner

c)

Beaker

d)

Googles

30.
What is this science tool?
a)
jar
b)
beaker
c)
thermometer
d)
ruler
31.
Name the tool pictured
a)
Pipette
b)
Eye dropper
c)
Tqeezer
d)
Forceps
32.

What is the basic unit of length

a)

foot

b)

inches

c)

meter

d)

yards

33.

What is the base units of weight

a)

gram

b)

pounds

c)

ounce

d)

newton

34.

kilo is the prefix of

a)

10

b)

100

c)

1000

d)

1

35.

a "milli" is

a)

0.1

b)

0.001

c)

1

d)

0.01

36.
Which one is not in the metric system?
a)
Kilometer
b)
Yard
c)
Centimeter
d)
Meter
37.

Which unit would be best to measure the length of a pencil?

a)

meters

b)

kilometers

c)

Centimeters

d)

Decimeters

38.

1 kg = ______ grams

a)

10

b)

100

c)

1000

d)

1000000

39.

The metric system is based on multiples of:

a)

100

b)

20

c)

10

d)

1

40.

The SI unit for volume is the __________.

a)

meter

b)

kilogram

c)

liter

d)

second

e)

Newton

41.

Look at the ruler. What is the distance in centimeters (cm) from 0 to A?

Remember to include units. For example, "10cm" is acceptable, "10" is not acceptable.

(a)  

42.

Look at the ruler. What is the distance in centimeters (cm) from 0 to C?

Remember to include units. For example, "10cm" is acceptable, "10" is not acceptable.

(a)  

43.

The basic units of measurement for mass, volume, and length are --

a)

centigrams, liters, kilometers

b)

grams, liters, meters

c)

millimeters, milligrams, milliliters

d)

centipedes, millipedes, pillbugs

44.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
45.

The base measurement for mass is...

a)

kilogram

b)

liters

c)

grams

d)

meters

46.

What is 3.75 litres in ml

a)

3750

b)

375

c)

3705

d)

37.5

47.
What did I measure if I record that something was 56 mL?
a)
Volume
b)
Mass
c)
Time
d)
Distance
48.
The SI unit for time is
a)
second (s)
b)
minute (min)
c)
hour (hr)
d)
year (yr)
49.

A conclusion reached on the basis of evidence and reasoning

a)

Observation

b)

Hypothesis

c)

Principle

d)

Inference

50.

Information obtained through the senses.

a)

Observation

b)

Hypothesis

c)

Principle

d)

Inference

51.

The condition in an experiment that is changed or manipulated.

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

52.

The condition in an experiment that is observed or measured

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

53.

In an experiment the group that serves as a standard for comparison and receives no experimental treatment.

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

54.

In an experiment the group that receives the experimental treatment.

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

55.

The condition that does not change in an experiment.

a)

Data

b)

Inference

c)

Variable

d)

Constant

56.

Factual information in the form of measurements or statistics.

a)

Data

b)

Inference

c)

Variable

d)

Constant

57.

Data expressed in words.

a)

Qualitative Data

b)

Quantitive Data

58.

Data expressed in numbers.

a)

Qualitative Data

b)

Quantitive Data

59.
"The insect in Container B has six appendages" is an example of what type of scientific observation?
a)
quanitative
b)
qualitative
c)
inference
d)
hypothesis
60.
The purpose of a controlled experiment is to allow a scientist to isolate and test-
a)
a single variable
b)
several variables
c)
many data
d)
a conclusion
61.

The first step of the scientific method is _____.

a)

make a hypothesis

b)

ask a question

c)

look at results

d)

design an experiment

62.

One plant receives 12 hours of light, and another plant gets 8 hours. The plant growth is measured after 2 weeks. What is the independent variable (changed on purpose)?

a)

plant growth

b)

hours of sunlight

63.

The theatre department sells gray t-shirts and purple t-shirts. They count the number of each shirt they sell. What is the independent variable (changed on purpose)?

a)

color of t-shirt

b)

number of shirts sold

64.

Students were given a choice of pepperoni or cheese pizza. They counted the number of slices of each were chosen. What is the dependent variable?

a)

the type of pizza

b)

the # of each kind of pizza

65.

They added Mt. Dew and Diet Dew to the coke machine. Mrs. Hagan counts the number of each sold at the end of 2 weeks. What is the independent variable (what do they change)?

a)

Which sold better

b)

Type of soda

66.

Students are given the option of ping pong or pickleball in gym class. Mr. Brooks needs to know how many kids choose each activity and counts the votes. What is the dependent variable (what are we measuring)?

a)

how many choose each activity

b)

activity choices

67.

Mrs. Crafton is selling bracelets in purple and orange. She counts how many of each bracelet sold at the end of the day. True or False: The color of the bracelets is the dependent variable.

a)

True

b)

False

68.

While camping, half the people used bug spray and the other half did not. At the end of the week they counted the number of bug bites they had. True or False: The number of bug bites is the dependent variable.

a)

True

b)

False

69.
What is a hypothesis?
a)
an educated guess stating what you believe will be the result of your experiement
b)
a random guess
c)
a statement of the outcome of your experiment
d)
step by step directions for your experiment
70.

An experiment was designed to test if a specific vitamin would make a horse grow taller.

What would be the hypothesis for the experiment?

a)

Does a specific vitamin make a horse grow taller?

b)

The vitamin.

c)

If I give a horse a specific vitiamin, then it will grow taller.

d)

The height of the horse.

71.

Which type of graph is best suited for comparing different categories or groups?

a)

line graph

b)

pie chart

c)

scatter plot

d)

bar graph

72.

In a line graph, what does the x-axis represent?

a)

The dependent variable

b)

The y-axis

c)

The independent variable

d)

The slope

73.

In a bar graph, what does the height of each bar represent?

a)

The position of the bar on the graph.

b)

The width of the bar.

c)

The color of the bar.

d)

The value or quantity of the corresponding category or variable.

74.

What is the purpose of a pie chart?

a)

The purpose of a pie chart is to display data in a three-dimensional format.

b)

The purpose of a pie chart is to compare two or more data sets.

c)

The purpose of a pie chart is to show the chronological order of events.

d)

The purpose of a pie chart is to visually represent the proportion or percentage distribution of different categories in a data set.

75.

What is data interpretation?

a)

Data interpretation is the process of analyzing and making sense of data.

b)

Data interpretation is the process of storing data.

c)

Data interpretation is the process of visualizing data.

d)

Data interpretation is the process of collecting data.

76.
How many people like soccer best?
a)
5
b)
4
c)
8
d)
6
77.
How many total people took the survey?
a)
50
b)
150
c)
100
d)
200
78.
In which year did exactly 60 students have scholarships?
a)
2010
b)
2011
c)
2012
d)
2013
79.
What is the main purpose of a line graph?
a)
to compare two things
b)
to show trends over time
c)
to have an independent variable
d)
so you don't have to read words
80.
How much does it cost to have your lawn mowed for 2 hours?
a)
$16
b)
$17
c)
$18
d)
$19
81.
When was the greatest amount of shoppers at the store?
a)
10am
b)
1pm
c)
6pm
d)
2pm
82.
What is the total percent of a pie or circle graph?
a)
10%
b)
50%
c)
100%
d)
1000%
83.
Which interval shows the greatest number of pets?
a)
15-19
b)
0-4
c)
5-9
d)
10-14
84.
How many more 9th graders voted than 8th graders?
a)
75
b)
5
c)
155
d)
80
85.
How many students have blue for a favorite color?
a)
11
b)
12
c)
14
d)
17
86.
What is the main purpose of a line graph?
a)
to compare two things
b)
to show trends over time
c)
to have an independent variable
d)
so you don't have to read words
87.
What label is along the y-axis in this graph?
a)
Copyright 2007
b)
Lines
c)
Age in Years
d)
Number of Teens
88.
When was the greatest amount of shoppers at the store?
a)
10am
b)
1pm
c)
6pm
d)
2pm
89.
How many push-ups were done on Monday?
a)
5
b)
10
c)
15
d)
20
90.
What type of graph is this?
a)
Bar Graph
b)
Line Plot
c)
Pictograph
d)
Tally Chart
91.

What is the interior temperature at 2,000 km?

a)

4100 *C

b)

6500 *C

c)

3000 *C

92.
What was the bear population in 2001?
a)
40
b)
45
c)
50
d)
55
93.
When was my weight the lowest?
a)
July
b)
September
c)
November
d)
December
94.
Did the temperature increase or decrease between day 1 and day 2?
a)
increase
b)
decrease
95.
What is the density of a liquid that has a mass of 27g and a volume of 30ml?
a)
0.9 g/ml
b)
3 g/ml
c)
57 g/ml
d)
810 g/ml
96.

what is the volume of the cube?

a)

123

b)

144

c)

244

d)

150

97.
A crayon has a mass of 10g and volume of 5 mL. What is the density?
a)
30 g/mL
b)
15 g/mL
c)
1 g/mL
d)
2 g/mL
98.

What is mass?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

99.

What is volume?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

100.

What is density?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

101.
What is the temperature of the thermometer?
a)
-17
b)
-19
c)
-22
d)
-21
102.
What is the measurement for the graduated cylinder?
a)
3ml
b)
3.2ml
c)
3.3ml
d)
33ml
103.
What is the measurement for the graduated cylinder?
a)
19ml
b)
18ml
c)
10ml
d)
21ml
104.

How could you find the volume of an irregularly shaped object, such as the one in the picture?

a)

subtract the final volume - the initial volume

b)

add the final volume + the initial volume

c)

multiple the length x width x height of the object

d)

take the mass and divide by volume

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