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Module 1 PS Review

Total questions: 45

Worksheet time: 19mins

Name
Class
Date
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.

The following footwear is required in the lab ________.

a)

Sandals.

b)

Open-toe shoes.

c)

Closed-toe shoes.

d)

Shoes appropriate for the weather.

4.

( Fill in the blank) Long hair should be ____________ in the laboratory.

a)

tied back

b)

cut

c)

down

d)

curled

5.

Hot glass looks the same as cold glass.

a)

True

b)

False

6.
The proper technique for smelling chemicals is ______________
a)
keeping your nose close to the glassware
b)
wafting
c)
to sniff only a small amount
d)
Trick question; you never are allowed to smell chemicals in class
7.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

8.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
9.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
10.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
11.

Rust on an iron bar is an example of chemical change.

a)

True

b)

False

12.

When you break a cracker into pieces it is a...

a)

Chemical change

b)

Physical change

13.
Dissolving sugar in water is an example of a 
a)
physical change
b)
chemical change
14.
Digesting your food is an example of 
a)
chemical change
b)
physical change
15.
Rotting bananas?
a)
Physical Change
b)
Chemical Change
16.
Cutting your hair?
a)
Physical Change
b)
Chemical Change
17.

A Measure of how well electrical charges can move through a substance.

a)

Chemical Property

b)

Physical Property

18.

The ability of a substance to be molded into a shape.

a)

Chemical Property

b)

Physical Property

19.

The discoloration of a metal due to the exposure to Oxygen.

a)

Chemical Property

b)

Physical Property

20.

The temperature at which a solid changes to a liquid.

a)

Chemical Property

b)

Physical Property

21.

The ability of a substance to scratch or be scratched.

a)

Chemical Property

b)

Physical Property

22.

The ability of a substance to interact with another substance in order to create one or more new substances.

a)

Chemical Property

b)

Physical Property

23.

The ability of a substance to burn.

a)

Chemical Property

b)

Physical Property

24.

The ability of a substance to dissolve in another substance.

a)

Chemical Property

b)

Physical Property

25.

The oxidation of a substance.

a)

Chemical Property

b)

Physical Property

26.
A pure substance that cannot be broken down into other substances by chemical or physical means. 
a)
compound          
b)
atom
c)
mixture 
d)
element
27.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

28.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

29.

Air is:

a)

An element

b)

A compound

c)

A mixture

d)

None of these

30.
What is an example of a mixture?
a)
iron
b)
ice
c)
soil
d)
gold
31.

Which of the following is classified as a pure substance?

a)

Lemonade

b)

Fruit punch

c)

ketchup

d)

Helium

32.
A mixture that is uniform and well mixed is _____.
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
compoud
33.
The picture shown here is what type of mixture?
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
element
34.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
35.

True or False: elements AND compounds are pure substances.

a)

True

b)

False

36.

This is a....

a)

Pure Substance of elements

b)

Mixture

c)

Pure substance of compounds

37.

This is a....

a)

Pure Substance of elements

b)

Mixture

c)

Pure substance of compounds

38.

This is a....

a)

Pure Substance of elements

b)

Mixture

c)

Pure substance of compounds

39.

State of matter that takes the shape of it's container and has a definite volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

40.

State of matter that can fill containers with no fixed shape or volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

41.

State of matter in which materials have a definite shape and volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

42.

What change of state is taking place in this photograph?

a)

Condensation

b)

Freezing

c)

Vaporization

d)

Melting

43.

What change of state is taking place in this photograph?

a)

Condensation

b)

Freezing

c)

Vaporization

d)

Melting

44.

Which state of matter is represented in the following diagram?

a)

Liquid

b)

Liquid and gas

c)

Gas

d)

Solid

45.

Which of the following states is correct?

a)

Gases cannot be compressed.

b)

Solids are easily compressed.

c)

Gases are easier to compress than solids.

d)

Liquids cannot be compressed or expanded.

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