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Worksheets

Matter and its Interactions - Review

Total questions: 77

Worksheet time: 4hrs 51mins

Name
Class
Date
1.

Which type of change can be easily reversed?

a)

Chemical

b)

Physical

c)

Both

d)

Neither

2.

If components are evenly distributed throughout a mixture, how would you describe it?

a)

Heterogeneous

b)

Homogeneous

3.

Oxygen (O2) is classified as:

a)

An element

b)

A mixture

c)

A compound

d)

A solution

4.

What property tells how much matter is found in a substance?

a)

Volume

b)

Physical

c)

Mass

d)

Chemical

5.

What is the formula for density?

a)

D=MVD=\frac{M}{V}

b)

D=VMD=\frac{V}{M}

c)

M=DVM=\frac{D}{V}

d)

V=MDV=\frac{M}{D}

6.

When acetic acid comes into contact with sodium bicarbonate a gas is created. Why type of change is this?

a)

Physical

b)

Chemical

7.

Water (H2O) is classified as:

a)

An element

b)

A compound

c)

A mixture

d)

A solution

8.

The transfer of thermal energy from one substance to another is also known as

a)

Physical change

b)

Chemical change

c)

Heat

9.

Which part of an atom floats around the outer shell?

a)

Neutron

b)

Electron

c)

Proton

10.

What property measures how closely together particles are packed into a substance?

a)

Density

b)

Mass

c)

Volume

d)

Freezing Point

11.

What are the two inner parts of an atom?

a)

Proton & Electron

b)

Electron & Neutron

c)

Neutron & Proton

12.

If the components in a mixture are spread out unevenly, how would you describe the mixture?

a)

Homogeneous

b)

Heterogeneous

13.

What kind of change can break and create bonds between atoms?

a)

Physical

b)

Chemical

c)

Phase

14.

I have a measurement of g/mL. What property am I measuring?

a)

Density

b)

Mass

c)

Volume

d)

Weight

15.

What does an element's atomic number tell us?

a)

The number of neutrons

b)

The atomic weight

c)

The number of protons

d)

The number of atoms

16.

What type of measurement is related to thermal energy?

a)

Volume

b)

Density

c)

Mass

d)

Temperature

17.

If you are given 2 unknown samples of gray metals, how can you use physical properties to determine if they are the same?

a)

you can use their masses

b)

compare their densities

c)

compare their ability to react with acid

d)

you can identify the elements that they are made of

18.

How are solids different from liquids?

a)

Solids have a definite mass, liquids do not

b)

Solids have a definite shape but liquids do not

c)

Solids have a lower density than liquids do.

d)

Solids have a greater volume than liquids do.

19.

Which of the following is classified as a compound?

a)

Pb2

b)

CO2

c)

Na

d)

H2

20.

Which of the following is NOT a physical property of matter?

a)

color

b)

density

c)

acidity

d)

solubility

21.

Which is NOT a subatomic particle of an atom?

a)

electron

b)

molecule

c)

proton

d)

neutron

22.

How are elements and compounds related?

a)

Compounds make up elements. An element and its compounds have different properties.

b)

Elements make up compounds. A compound and its elements have different properties.

c)

Compounds make up elements. An element and its compounds have the same properties.

d)

Elements make up compounds. A compound and its elements have the same properties.

23.

A student claims that a rock, a class of juice, and air are made of atoms. Is this student correct?

a)

No, only the rock and glass of juice ore made of atoms. The air is not because it is a gas.

b)

No, only the rock is make of atoms. The glass of juice and air are not made of atoms because they are not solids.

c)

Yes, they are all made of the same type of atom.

d)

Yes, they are all made of different types of atoms.

24.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
25.
What is the transfer of heat by direct contact?
a)
Convection
b)
Electromagnetic waves
c)
Radiation
d)
Conduction
26.
What is the measurement of the average kinetic energy of a substance?
a)
Kinetic energy
b)
Temperature
c)
Thermal energy
d)
Potential energy
27.

What happens when a cold drink sits in a hot room?

a)

It remains cold

b)

It gets warmer

c)

It starts boiling

d)

It starts to freeze

28.

When two things are the same temperature:

a)

They have the same number of molecules

b)

Their molecules stop moving

c)

Their molecules move at the same average speed

d)

Heat transfer between the two things stops

29.

When you heat a pot on a stove, the handle gets warm. Which type of heat transfer is responsible?

a)

Conduction

b)

Radiation

c)

Convection

d)

All of the above

30.

List the following particles in size order, from biggest to smallest?

a)

Molecules, electrons, atoms

b)

Atoms, molecules, electrons

c)

Electrons, atoms, molecules

d)

Molecules, atoms, electrons

31.

Heat from the Sun reaches Earth through which type of heat transfer?

a)

Conduction

b)

Radiation

c)

Convection

d)

All of the above

32.

Convection currents occur:

a)

Only in liquids

b)

When a dense substance is warmer than a less dense substance

c)

In both liquids and gases

d)

Weakly in solids

33.
What kind of heat transfer?
a)
conduction
b)
radiation
c)
convection
34.
What kind of heat transfer?
a)
convection
b)
conduction
c)
radiation
35.
What kind of heat transfer?
a)
conduction
b)
convection
c)
radiation
36.
What kind of heat transfer?
a)
conduction
b)
convection
c)
radiation
37.
What kind of heat transfer?
a)
conduction
b)
convection
c)
radiation
38.

Which material will heat travel through the fastest?

a)

Plastic

b)

Wood

c)

Metal

39.

How does heat move?

a)

From cooler objects to warmer objects.

b)

From warmer objects to cooler objects

c)

From metal objects to nonmetal objects

d)

Very quickly in all directions

40.

Think about a pan of water sitting on an electric stove. The stove is then turned on to high.

What will happen to the movement of the particles in the pan?

a)

They will slow down

b)

They will stay the same speed

c)

They will stop moving

d)

They will speed up

41.

Freddie is drinking a cold glass of Kool-Aid in the sun on a hot day. He puts the glass down in the sun and the glass begins to warm.

What is happening to the small particles that make up Kool Aid? They. . .

a)

contract

b)

slow down

c)

move faster

d)

disappear

42.

Which material would make the best insulator?

a)

rubber

b)

steel

c)

copper

d)

aluminum

43.

Suppose that you are at the beach.

Energy from the Sun reaches you mainly through

a)

conduction

b)

convection

c)

radiation

d)

temperature

44.

Which material would make the best conductor?

a)

rubber

b)

steel

c)

copper

d)

aluminum

45.

What type of energy is heat energy?

a)

potential

b)

kinectic

c)

chemical

d)

mechanical

46.

If you put a glass of water in the freezer, why did the water freeze?

a)

The cold radiation from the freezer made the water colder.

b)

The cold from the freezer flowed into the glass of water.

c)

The heat moved from the glass of water to the freezer.

d)

The cold particles touched the glass and transferred cold to the water.

47.
What does the Law of Conservation of Energy state?
a)
Energy cannot be created or destroyed
b)
Nothing can exchange energy
c)
Energy will increase over time.
d)
Energy will decrease over time.
48.
Is energy always conserved?
a)
Always
b)
Often
c)
Never
d)
Sometimes
49.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
50.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
51.
What kind(s) of energy is(are) in a person climbing a ladder?
a)
Potential
b)
Kinetic
c)
Both
52.
A change from one form of energy to another is called ___________.
a)
work
b)
power
c)
mechanical
d)
energy transformations
53.
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
a)
The total amount of energy is conserved
b)
The total amount of energy is less after a reaction
c)
The total amount of energy is more after a reaction
54.
Which energy transformation below matches?
A book falling?
a)
chemical to sound and heat
b)
kinetic to sound and heat
c)
electrical to sound and heat
55.
Which energy transformation below matches?
Animals eating food?
a)
electrical to potential
b)
chemical to kinetic
c)
potential to chemical
56.
Which energy transformation below matches?
Burning coal or carbon-based fuel at a powerplant?
a)
chemical to heat to electrical
b)
mechanical to chemical to sound
c)
electrical to chemical to heat
57.
Potential or kinetic?
Running?
a)
potential
b)
kinetic
58.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
59.
In a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?
a)
Reactants
b)
Products
c)
Atoms
d)
Catalysts
60.
The Law of Conservation of Mass states
a)
that matter exists in all states and reacts the same
b)
that matter can only be changed into new substances by introducing a catalyst
c)
that matter exists in the same state throughout any chemical change
d)
that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants
61.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
62.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
63.
The smell made from spraying perfume on yourself. 
a)
Chemical Change
b)
Physical Change
64.
The smell your dog makes after eating to much people food.
a)
Chemical Change
b)
Physical Change
65.
Describes the number of molecules in a compound and is used to balance a chemical reaction. 
a)
coefficient 
b)
subscript
c)
superscript
d)
SI unit
66.
Provides evidence that a chemical reaction has occurred. 
a)
dissolving 
b)
melting
c)
formation of a gas
d)
bending
67.
Describes the number of atoms in a compound of each element. 
a)
coefficient 
b)
superscript 
c)
subscript 
d)
SI unit 
68.

Which of the following statements is true concerning acids and bases?

a)

acids and bases don't react with each other

b)

acids mixed with bases neutralize each other

c)

acids mixed with bases make stronger bases

d)

acids mixed with bases make stronger acids

69.

True or false: bases are sometimes called alkaline.

a)

True

b)

False

70.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

71.

Which is true?

a)

pH of less than 7 is basic; pH of more than 7 is acidic

b)

pH of less than 7 is acidic; pH of more than 7 is basic

72.

Vinegar, fruit juice, and cola are examples of:

a)

strong acids

b)

strong bases

c)

strong bases

d)

weak acids

73.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

74.

Is laundry detergent an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

75.

Ammonia is found in many household products, including window cleaner. What is the pH of ammonia?

a)

It's acidic.

b)

It's basic.

c)

It's neutral.

76.

Is pure water acidic, basic, or neutral?

a)

Acidic

b)

Basic

c)

Neutral

77.

Vinegar is an example of:

a)

An acid.

b)

A base.

c)

Neither an acid nor a base.

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