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Chemical and Physical Changes

Total questions: 97

Worksheet time: 8hrs 5mins

Name
Class
Date
1.
Water that is heated and changed to steam is a 
a)
Physical change
b)
Chemical change
2.
Melting butter to pour over popcorn is a 
a)
Chemical change
b)
Physical change
3.
Which action would be a chemical change?
a)
freezing water
b)
tearing paper
c)
cleaning pennies
d)
melting chocolate
4.
Burning wood is an example of 
a)
Chemical change
b)
Physical change
5.
Frying an egg is an example of a 
a)
Chemical change
b)
Physical change
6.
Glass breaking s an example of a
a)
Chemical change
b)
Physical change
7.
A rusty bike shows a 
a)
Chemical change
b)
Physical change
8.
Anything that has mass and takes up space is called
a)
stuff
b)
forrce
c)
gravity
d)
matter
9.
Pancakes frying on a griddle is an example of a
a)
Physical change
b)
Chemical change
10.
A ___________ change leads to the formation of a different substance.
a)
Physical change
b)
Chemical change
11.
When you burn toast, the results are a 
a)
Chemical change
b)
Physical change
12.
Fireworks exploding is an example of a 
a)
Physical change
b)
Chemical change
13.
Which of the following would be a physical change?
a)
slicing bread
b)
baking bread
c)
baking a cake
d)
rotting food
14.
Which of the following is an example of a chemical change?
a)
melting chocolate
b)
crushing a soda can
c)
cutting paper
d)
wood burning
15.
Which of the following things has matter?
a)
basketball
b)
the sun
c)
you
d)
all of the above
16.
All matter is made of tiny building blocks called
a)
Legos
b)
atoms
c)
wood
d)
volume
17.
Molecules are formed when two or more ________ join together.
a)
blocks
b)
books
c)
atoms
d)
sizes
18.
Which of these is an example of a new substance being formed?
a)
a nail rusting
b)
a wall being painted
c)
water changing to steam
d)
paper being folded
19.
Which example best describes a physical change?
a)
iron rusting
b)
charcoal burning
c)
an ice cube melting
d)
a marshmallow burning
20.
Glass bottle that is shattered
a)
Chemical Change
b)
Physical Change
21.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
22.

Which of the following are examples of a Chemical Change?

a)

Iron Rusting

b)

Gas Burning

c)

Breaking a glass

d)

Boiling water

e)

Burning Wood

23.

A physical change _____________ the identity of the substance.

a)

changes

b)

maintains

24.

A chemical change _____________ the identity of the substance.

a)

changes

b)

maintains

25.

Color change like in a drop of food coloring in water, is a _________ change.

a)

physical

b)

chemical

26.

What is a chemical change?

a)

Forming a new substance

b)

When two or more substances combine to make a greater one

c)

When two or more substances combine to make a new chemical substance

d)

Combing substances

27.

What is a physical change?

a)

I Don't care!

b)

A change in the form or appearance of a substance

c)

a change in a substance to something new

d)

molecules interacting and changing into a new substance

28.

Which of the following are examples of a Chemical Change?

a)

Iron Rusting

b)

Gas Burning

c)

Breaking a glass

d)

Boiling water

e)

Burning Wood

29.

Which is an example of a physical change?

a)

Cooking

b)

Buring Wood

c)

Ripping paper

d)

Digesting Food

30.

Does a physical change the substance itself?

a)

yes

b)

no

31.

Is this a Chemical or a Physical change?

Fireworks

a)

Chemical

b)

Physical

c)

Both

d)

Neither

32.

Chemical or Physical change?

Ice melting

a)

Chemical

b)

Physical

c)

Neither

d)

Both

33.
Water freezing
a)
Chemical Change
b)
Physical Change
34.
Ice melting
a)
Chemical Change
b)
Physical Change
35.
Wood burned in a fireplace
a)
Chemical Change
b)
Physical Change
36.
Cake batter baked in an oven
a)
Chemical Change
b)
Physical Change
37.
Glass bottle that is shattered
a)
Chemical Change
b)
Physical Change
38.
What is anything that has mass and takes up space?
a)
matter
b)
substance
c)
chemistry
d)
property
39.
Is wood burning a physical or chemical change?
a)
Physical 
b)
Chemical
40.
The Law of Conservation of Mass tells us matter can't  ______________.
a)
change color
b)
change state of matter
c)
be created or destroyed
d)
change temperature
41.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
42.
Jace measures 20 grams of water in a pan and then freezes it.  A day later he takes the ice cubes out of the pan and notices it is larger than before. What will it weigh? 
a)
40 grams 
b)
30 grams 
c)
20 grams 
d)
10 grams 
43.
What does the Law of Conservation of Matter refer to? 
a)
Matter can not be created or destroyed 
b)
Matter can be created but not destroyed 
c)
Matter can be destroyed but not created 
d)
Matter is being lost everyday 
44.
__________________________  is when gas cools and turns back into a liquid. 
a)
Concentration
b)
Coordination
c)
Condition
d)
Condensation
45.
Which of these is an example of a new substance being formed?
a)
a nail rusting
b)
a wall being painted
c)
water changing to steam
d)
paper being folded
46.
Which best describes a chemical change in paper?
a)
filing paper
b)
mailing paper
c)
burning paper
d)
cutting paper in half
47.
Which is an example of a chemical change?
a)
baking a cake
b)
freezing water
c)
crushing a can
d)
breaking an egg
48.
Which example best describes a physical change?
a)
iron rusting
b)
charcoal burning
c)
an ice cube melting
d)
a marshmallow burning
49.
When coffee is poured into a cup of ice, the ice begins to melt and mix with the coffee. Which statement best describes this change?
a)
The ice melting is a chemical change because the water changes form.
b)
The ice melting is a physical change because the water may be frozen again.
c)
The water and coffee mixing is a chemical change because the liquids change color.
d)
The water and coffee mixing is a physical change because the mixture forms bubbles.
50.
Which statement best describes why baking a cake is an example of a chemical change?
a)
The process takes place in an oven.
b)
The process requires heat energy.
c)
The process cannot be reversed.
d)
The process can be repeated.
51.
Stanley left an ice cube on his kitchen counter. An hour later, Stanley observed that the ice cube melted. Which statement best describes this change?
a)
Ice melting is a physical change because a new substance is created.
b)
Ice melting is a chemical change because a new substance is created.
c)
Ice melting is a chemical change because it may be reversed.
d)
Ice melting is a physical change because it may be reversed.
52.
When you break a cracker into pieces it is a 
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
53.

Burning a piece of paper is an example of a

a)

Physical Change

b)

Chemical change

54.

An example of a liquid changing to a gas is

a)

Wood burning

b)

Paper tearing

c)

A pot of boiling water

d)

A lake freezing in the winter

55.

Scrambling eggs is an example of

a)

A physical change

b)

A chemical change

c)

Solution

56.

Which of the following is a chemical change?

a)

Cutting bread

b)

Slicing carrots

c)

Melting butter

d)

Soured milk

57.

Which of the following is a physical change?

a)

Ice melting

b)

Baking potatoes

c)

Rusty nail

d)

Rotting wood

58.

When heat is taken away from a container of water, what will happen?

a)

It will become a gas.

b)

It will become a solid

c)

There will be less mass.

59.

which of these example is a physical change?

a)
b)
c)
d)
60.

is the picture chemical or physical

a)

chemical

b)

physical

61.

which one is not an indicator of a chemical change

a)

formation of gas

b)

formation of a solid

c)

formation of liquid

d)

change of colour

e)

change in temperature

62.
2. A nail rusts.
 
a)
 Physical Change
b)
Chemical Change
63.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
64.

Kool-aid dissolving in water

a)

physical change

b)

chemical change

65.
A chemical change is different than a physical change because in a chemical change
a)
Chemicals are used
b)
Molecules do not physically touch
c)
A new substance is formed and in a physical change no new substance is formed
d)
The change can be seen but in a physical change it cannot
66.
melting ice cream
a)
physical change
b)
chemical change
67.
glass breaking
a)
physical change
b)
chemical change
68.
a rusting bicycle
a)
physical change
b)
chemical change
69.
mowing the lawn
a)
physical change
b)
chemical change
70.
fireworks exploding
a)
physical change
b)
chemical change
71.
frying an egg
a)
physical change
b)
chemical change
72.

Freezing juice is a

a)

Chemical Change

b)

Physical Change

73.

Melting a chocolate bar is a

a)

Physical Change

b)

Chemical Change

c)

Willy Wonka's Job

74.

Rotting bananas show a

a)

Chemical Change

b)

Physical Change

75.

Cutting your hair is a

a)

Physical Change

b)

Chemical Change

76.

Is squeezing oranges to make orange juice a physical or chemical change?

a)

Physical Change

b)

Chemical Change

77.

Which action would cause the weight of an object or substance to decrease?

a)

Burning it.

b)

Stirring it.

c)

Freezing it.

d)

Dissolving it.

78.

__________ is anything that has mass and takes up space.

a)

Solid

b)

Matter

c)

Density

d)

Gas

79.

Water freezing into ice is an example of a

a)

Chemical Change

b)

Physical Change

80.

Melting butter for popcorn is a

a)

chemical change

b)

physical change

81.

An ice pack getting cold after you put it in the freezer for an hour is a

a)

chemical Change

b)

physical Change

82.

What type of change can be easily reversed?

a)

chemical change

b)

physical change

c)

both chemical and physical changes

d)

neither physical or chemical changes

83.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
84.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
85.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
86.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
87.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
88.

Which of the following is an indication of chemical change

a)

Melting

b)

Freezing

c)

Burning

d)

Evaporating

89.

Which process is an example of a physical change?

a)

Cutting Carrots into pieces and mixed in a salad

b)

A peanut butter and jelly sandwich being digested

c)

Sodium metal and water combining to form a compound and a gas

d)

Sodium metal and chlorine gas combined to form table salt

90.

Pablo notices that ice cream melts when left out at room temperature. What is Pablo observing?

a)

A physical change

b)

A chemical change

c)

A chemical reaction

d)

The formation of a new substance

91.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
92.
A change in phase ...
a)
Chemical Change
b)
Physical Change
93.
Bubbles form when two or more substances are combined ...
a)
Chemical Change
b)
Physical Change
94.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
95.
Causes a change in odor ...
a)
Chemical Reaction 
b)
Physical Reaction
96.
Which of the following indicates a PHYSICAL change?
a)
Change in temperature
b)
Change in shape
c)
Formation of a precipitate
d)
Change in color
97.
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

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