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Topic 1 (Science 7) Quiz Review

Total questions: 66

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

What symbol is this?

a)

Special Disposal

b)

Biological

c)

Extreme Temperature

d)

Sharp Object

2.

What symbol is this?

a)

Open Flame

b)

Toxic

c)

Chemical

d)

Electrical

3.

What symbol is this?

a)

Clothing Protection

b)

Eye Safety

c)

Toxic Fumes

d)

Sharp Object

4.

What symbol is this?

a)

Poisonous

b)

Flammable

c)

Chemical

d)

Disposal

5.

What symbol is this?

a)

Biological Hazard

b)

Special Disposal

c)

Extreme temperature

d)

Toxic Fumes

6.

What symbol is this?

a)

Open Flame

b)

Chemical

c)

Electrical

d)

Safety Gloves

7.

What symbol is this?

a)

Toxic Fumes

b)

Extreme Temperature

c)

Radiation

d)

Open Flame

8.
What does this symbol mean 
a)
fire safety 
b)
eye protection safety 
c)
animal safety 
d)
extreme temperatures 
9.

Which picture represent eye safety?

a)
b)
c)
d)
10.

Which picture represents clothing protection?

a)
b)
c)
d)
11.

What does this picture represent?

a)

Irritant

b)

Sharp Object

c)

Extreme Temperature

d)

Clothing Protection

12.

What does this picture represent?

a)

Toxic

b)

Animal Safety

c)

Mouse Safety

d)

Irritant

13.

What does this picture represent?

a)

Fire Hazard

b)

Always plug in devices

c)

Electricity Hazard

d)

Look for a socket

14.

What safety symbol is this?

a)

Biohazard

b)

Radiation

c)

Poisonous

d)

Corrosive

15.
What Safety Symbol is this?
a)
Electric Safety
b)
Plant Safety
c)
Animal Safety
d)
Chemical Safety
16.

This symbol appears when substances could stain or burn clothing.

a)
b)
c)
d)
17.

This symbol appears when objects that can burn skin by being too cold or too hot.

a)
b)
c)
d)
18.

Horseplay, practical jokes, or pranks in the classroom are...

a)

Okay

b)

Not dangerous

c)

Okay if you are working alone.

d)

Always against the rules.

19.

Which of the following should not be worn during a laboratory activity?

a)

dangling jewelry

b)

loose clothing

c)

sandals

d)

All of the above

20.

When a piece of equipment is not working properly, stop, turn it off, and tell your best friend in the class.

a)

True

b)

False (tell the teacher)

21.

When you are done working with chemicals, biological specimens, and other lab substances, 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.

22.

Chewing gum is permitted in the laboratory room.

a)

True

b)

False (neither is drinking or eating)

23.

You should clean your work area and equipment before you leave the science room.

a)

True (also wash you hands, return all equipment to proper location)

b)

False

24.

Long hair in the science lab must be...

a)

held away with one hand.

b)

cut short.

c)

neatly groomed.

d)

tied back or kept entirely out of the way with a hair tie.

25.

If a fire erupts, immediately run for the hills!

a)

True

b)

False (tell the teacher right away)

26.

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

a)

try several methods until something works.

b)

skip it and go on to the next part.

c)

ask the teacher before proceeding.

d)

figure it out as you do in the lab.

27.

If you have been injured in the lab tell the teacher at once.

a)

True

b)

False

28.

All chemical wastes after an experiment should be...

a)

dumped in the sink.

b)

disposed according to your teachers instructions.

c)

taken home.

d)

left for someone else to clean up.

29.

Anytime chemicals, heat, or glassware are used protective goggles are worn in the science room.

a)

True

b)

False

30.

It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can.

a)

True

b)

False (NEVER OKAY)

31.

Always carry a microscope with both hands.

a)

True

b)

False

32.

All unauthorized experiments are prohibited.

a)

True

b)

False

33.

Work areas should be kept clean and tidy.

a)

True

b)

False

34.

Only read the odd numbers when performing an experiment in the lab room.

a)

True

b)

False (read EVERYTHING)

35.

Feel free to remove chemicals from the lab room to take home.

a)

True

b)

False (NEVER remove chemicals)

36.

What is the scientific method?

a)

A series if steps used to conduct a scientific experiment

b)

The process of solving a problem

c)

A way of making non-scientific observations

d)

A way to summarize findings from multiple investigations

37.

Which of the following is NOT a testable question/problem?

a)

How do rockets work?

b)

Does fertilizer help plants grow bigger?

c)

Does heart rate increase with exercise?

d)

Does the freezing point of water change at different elevations?

38.

What is a hypothesis?

a)

A prediction or answer to a testable question based on research

b)

A random guess

c)

An observation based on feelings or emotions

d)
39.

What is the best way to collect and record data?

a)

In a data table

b)

On post-it notes

c)

On scrap paper

d)

interpretive dance

40.

A series of steps designed to help you solve problems and answer questions is

a)

the scientific method

b)

results

c)

observations

d)

the two step

41.

After the data is analyzed the hypothesis is stated as correct or incorrect in the __________

a)

conclusion

b)

experiment

c)

hypothesis

d)

table of contents

42.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
43.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
44.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
45.
True or False: Your hypothesis can never be wrong.
a)
True
b)
False
46.

What is the first step in the scientific method?

a)

Collect Data

b)

Draw Conclusions

c)

Do Research

d)

Identify a problem

e)

Form a Hypothesis

47.

During this step of the scientific method, a scientist would gather background information.

a)

Form a Hypothesis

b)

Do Research

c)

Observation

d)

Test the Hypothesis

48.

Which of these contains the steps of the scientific method in the correct order?

a)

Identify a Problem, Form a Hypothesis, Do Research, Test the Hypothesis, Draw Conclusions, Analyze Data

b)

Identify a Problem, Form a Hypothesis, Do Research, Test the Hypothesis, Analyze Data, Draw Conclusions

c)

Identify a Problem, Do Research, Form a Hypothesis, Test the Hypothesis, Analyze Data, Draw Conclusions

d)

None of the above

49.

When should you write a hypothesis?

a)

After writing procedures

b)

After making observations and doing research on a question/problem

c)

After buying materials for an experiment

d)

At the very beginning of the experiment

50.
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
51.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
52.
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
53.
A student wants to test the effects of different types of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
54.
This variable is the actual data collected during the experiment. 
a)
independent variable
b)
dependent variable
c)
control group
d)
data group
55.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
56.
Things that stay the same throughout the whole experiment are called
a)
controls
b)
dependent variables
c)
independent variables
d)
constants
57.

Johnny wants to know how different types of colored light affect plant growth? What is the Independent Variable?

a)

types of plant growth

b)

types of colored lights

c)

plant growth on colored lights

d)

plant growth

58.

Johnny wants to know how different types of colored light affect plant growth? What is the Dependent Variable?

a)

Types of plant growth

b)

types of colored lights

c)

colored lights on plant growth

d)

plant growth

59.

What part of an experiment is described below:

What is the effect of types of colored lights on the height of plants?

a)

Problem

b)

Hypothesis

c)

Title

d)

Conclusion

60.

What part of the experiment is:

Johnny sets the lamp to shine for the same amount of time each day for 30 days.

a)

problem

b)

control

c)

constant

d)

dependent variable

61.

What part of the experiment does this describe:

The same type of bean plant, the same amount of water, and the same soil were used.

a)

Constant

b)

Control

c)

Levels of Variables

d)

Hypothesis

62.

The variable that is measured.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

63.

Why is it important to have only one independent variable and to control the other variables when performing science experiments?

a)

So you can tell which factor is causing the change in the experiment.

b)

It does not matter, you can have as many independent variables as you want.

64.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

65.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the dependent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

66.
Mrs. Ahlers 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)
Where the experiment took place.