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WorksheetsPhysical and Chemical Reaction
Total questions: 55
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
2.
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
3.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
4.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
5.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
6.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
7.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
8.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
9.
Kim puts an ice cube in a beaker and it melts. This is a good example of:
a)
a physical change.
b)
a chemical change.
c)
an experiment.
d)
an analysis.
10.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
11.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
12.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
13.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
14.
The smell made from spraying perfume on yourself.
a)
Chemical Change
b)
Physical Change
15.
Is being able to melt physical or chemical
a)
physical
b)
chemical
c)
ducktile
d)
maluable
16.
Is making a cake physical or chemical
a)
physical
b)
chemical
c)
ducktile
d)
maluable
17.
Is making salt water to gargle with a physical or chemical change?
a)
physical
b)
chemical
18.
Kim puts an ice cube in a beaker and it melts. This is a good example of:
a)
a physical change.
b)
a chemical change.
c)
an experiment.
d)
an analysis.
19.
Which is an example of a physical change?
a)
A. Metal rusting
b)
B. Silver tarnishing
c)
C. Water boiling
d)
D. Paper Burning
20.
When a new substance is formed with different properties than the original substance it is called a_________.
a)
A. Chemical Change
b)
B. Physical Change
c)
C. Freezing
d)
D. Boiling
21.
Marco tears a piece of notebook paper into smaller pieces, as shown below.
Tearing paper into pieces is an example of what kind of change?
Tearing paper into pieces is an example of what kind of change?
a)
A. a change in mass
b)
B. a physical change
c)
C. a chemical change
d)
D. a change in energy
22.
Which process is an example of a physical change?
a)
A. Burning
b)
B. Flattening
c)
C. Rusting
d)
D. Decomposing
23.
Which of the following is an example of physical change?
a)
A. Baking a birthday cake for your mother.
b)
B. A glass cup falls from the counter and shatters on the ground.
c)
C. Lighting a piece of paper on fire and the paper burns up and leaves ashes.
d)
D. Mixing baking soda and vinegar together, and this causes bubbles and foam.
24.
These are the new substances formed by the reaction.
a)
Product
b)
Reactant
c)
Precipitate
d)
Matter
25.
An ice cube is placed in the sun. Later there is a puddle of water. Later still the puddle is gone.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
26.
A solid is crushed to a powder.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
27.
A marshmallow is toasted over a campfire.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
28.
Mixing salt and pepper.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
29.
A bicycle changes color as it rusts.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
30.
A marshmallow is cut in half.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
31.
Two chemical are mixed together and a gas is produce.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
32.
Chocolate syrup is dissolved in milk.
Identify the question above as physical or chemical changes.
Identify the question above as physical or chemical changes.
a)
Physical Change
b)
Chemical Change
33.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
34.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
35.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
36.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
37.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
38.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
39.
Measure of the amount of matter
a)
mass
b)
volume
c)
weight
d)
density
40.
Anything that has mass & takes up space
a)
gravity
b)
force
c)
matter
d)
volume
41.
Smallest unit of an element
a)
compound
b)
atom
c)
molecule
d)
product
42.
Which tool can be used to measure the volume of liquid?
a)
balance
b)
Celsius thermometer
c)
graduated cylinder
d)
meter stick
43.
Which is the scientific water molecule name?
a)
H2O
b)
Water gass
c)
Liquid
44.
Is a human made of matter?
a)
yes
b)
no
c)
?
d)
mabye
45.
What is Mass?
a)
Mass is weight
b)
A cat
c)
An animal
d)
A measurement of how much matter is in an object.
46.
The opposite phase of melting is
a)
freezing
b)
sublimation
c)
condensation
d)
deposition
47.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
48.
The measure of the amount of matter in an object
a)
mass
b)
area
c)
matter
49.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
50.
Which state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.
a)
solid
b)
liquid
c)
gas
51.
Which state of matter has molecules that vibrate the least?
a)
solid
b)
water
c)
gas
52.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
53.
If four hydrogen atoms react with two hydrogen atoms, how many atoms will be in the product?
a)
6
b)
4
c)
8
d)
2
54.
When heat is absorbed into ice it does not melt
a)
True
b)
False
55.
when ice absorbs heat it is doing what
a)
melting
b)
freezing
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