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Review physial and chemical 2

Total questions: 63

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
What goes in A?
a)
freezing
b)
condensing
c)
melting
d)
evaporating
2.
What goes in B?
a)
freezing
b)
condensing
c)
melting
d)
evaporating
3.
What goes in C?
a)
freezing
b)
condensing
c)
melting
d)
evaporating
4.
What goes in D?
a)
freezing
b)
condensing
c)
melting
d)
evaporating
5.
Physical or Chemical change?
rain evaporates on the sidewalk
a)
Physical 
b)
Chemical
6.
Physical or Chemical change?
electricity separates water into Hydrogen and Oxygen
a)
Physical 
b)
Chemical
7.
Physical or Chemical change?
stepping on a Coke can
a)
Physical 
b)
Chemical
8.
Physical or Chemical change?
sodium metal is cut with a knife
a)
Physical 
b)
Chemical
9.
Physical or Chemical change?
recycling used aluminum cans to make new aluminum cans
a)
Physical 
b)
Chemical
10.
Physical or Chemical change?
glucose dissolves in water
a)
Physical 
b)
Chemical
11.
Physical or Chemical change?
aluminum combining with oxygen to from aluminum oxide
a)
Physical 
b)
Chemical
12.
Physical or Chemical change?
aluminum combining with oxygen to from aluminum oxide
a)
Physical 
b)
Chemical
13.
Physical or Chemical change?
methane burns with a blue flame
a)
Physical 
b)
Chemical
14.
Physical or Chemical change?
cooking an egg
a)
Physical 
b)
Chemical
15.
Physical or Chemical change?
baking cookies
a)
Physical 
b)
Chemical
16.
Physical or Chemical change?
mixing sand and water
a)
Physical 
b)
Chemical
17.
Physical or Chemical change?
sharpening a pencil
a)
Physical 
b)
Chemical
18.
Physical or Chemical change?
a nail rusting
a)
Physical 
b)
Chemical
19.
Physical or Chemical change?
burning wood
a)
Physical 
b)
Chemical
20.

Occurs when two or more molecules interact forming new molecules.

a)

Chemical Change

b)

Physical Change

21.

Do not change the substance into anything new.

a)

Chemical Change

b)

Physical Change

22.

Check all that is a chemical change.

a)

Tearing paper

b)

Bubbles after mixing two unknown substances

c)

Food digesting

d)

Water boiling

23.

Check all that are a physical change.

a)

Tearing paper

b)

Sugar dissolving

c)

Water boiling

d)

Food digesting

24.

Check all signs of chemical change:

a)

Burning

b)

Unexpected color change

c)

Precipitate forms

d)

Change in shape

25.

Check all signs of physical change:

a)

Change in state of matter.

b)

Change in texture.

c)

Unexpected temperature change.

d)

Change in color.

26.

Check all signs of physical change:

a)

Change in state of matter.

b)

Change in texture.

c)

Unexpected temperature change.

d)

Change in color.

27.

In a chemical reaction, the product is changed into a completely new substance.

a)

True

b)

False

28.

In a physical change, a new substance is formed.

a)

True

b)

False

29.

Baking a cake is an example of a physical change.

a)

True

b)

False

30.

The study of matter and how substances interact with each other is known as...

a)

Biology

b)

History

c)

Chemistry

d)

Science

31.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
32.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

33.

Freezing juice is a

a)

Chemical Change

b)

Physical Change

34.

Exploding fireworks is a

a)

Physical Change

b)

Chemical Change

c)

Katy Perry Song

35.

Which of the following is NOT an example of a physical change?

a)

crumpling paper

b)

sharpening a pencil

c)

clothes shrinking

d)

sour milk

36.

Wood that is burning in a brush pile has heat, and produces ashes.

a)

Physical

b)

Chemical

37.
frying an egg
a)
physical change
b)
chemical change
38.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
39.
Which is an example of a chemical reaction?
a)
paper cut into small pieces
b)
chocolate melting in a pan
c)
flour and sugar mixed in a bowl
d)
cookies baking in an oven
40.
Is a rotting banana an example of a physical or a chemical change?
a)
Physical Change
b)
Chemical Change
41.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
42.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
43.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
44.
what is the definition of physical change?
a)
any change that results in the formation of new chemical substances. 
b)
rusting
c)
changes affecting the form of a chemical substance, but not its chemical composition.
d)
any property that is measurable, whose value describes a state of a physical system
45.

What is physical change?

a)

How two chemicals react with one another when combined

b)

A property that we can measure or observe with our 5 senses or other tools

c)

When two chemicals react with one another to form a new substance

d)

When a change occurs but it does not result in the formation of a new substance

46.

What is chemical change?

a)

How two chemicals react with one another when combined

b)

A property that we can measure or observe with our 5 senses or other tools

c)

When two chemicals react with one another to form a new substance

d)

When a change occurs but it does not result in the formation of a new substance

47.

Which of the following is an indication of chemical change

a)

Melting

b)

Freezing

c)

Burning

d)

Evaporating

48.

What do we call the molecules that are present at the end of a chemical reaction?

a)

Reactants

b)

Products

c)

Ingredients

d)

Atoms

49.
Physical or Chemical Change?  Iron rusts
a)
Physical Change
b)
Chemical Change
50.
Physical or Chemical Change?  Cutting an orange into wedges.
a)
Physical Change
b)
Chemical Change
51.
Physical or Chemical Change?  Making a paper airplane.
a)
Physical Change
b)
Chemical Change
52.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
53.
Is Gatorade powder dissolving in water physical or chemical change?
a)
Physical 
b)
Chemical
54.
Is copper tarnishing a physical or chemical change?
a)
Physical 
b)
Chemical
55.
Baking cupcakes
a)
Physical Change
b)
Chemical Change
56.

The result of this type of change is a new substance.

a)

chemical

b)

react

c)

rust

d)

decay

57.

What evidence in this picture indicates that a chemical change occurred?

a)

temperature change

b)

change in odor

c)

formation of gas bubbles

58.
If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a
a)
Chemical change 
b)
Physical change
c)
Both a physical and chemical change 
d)
Neither a physical or chemical change 
59.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
60.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
61.

Which is an example of a chemical change?

a)
b)
c)
d)
62.

Which is an example of a chemical change?

a)
b)
c)
d)
63.

Which is an example of a physical change?

a)
b)
c)
d)

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