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States of Matter and Phase Changes

Total questions: 36

Worksheet time: 26mins

Name
Class
Date
1.

Solid water is called ice; what is gaseous water called?

a)

steam

b)

condensation

2.

What process changes a solid to a liquid?

a)

Melting

b)

Freezing

c)

Evaporation

d)

Condensation

3.

Adding heat to a substance...

a)

can change its state of matter

b)

speeds up the atoms

c)

adds more energy

d)

all of these are true

4.
Molecules are far apart and are in constant motion.
a)
Solid
b)
Liquid
c)
Gas
5.
Molecules change position easily and slide past one another.
a)
Solid
b)
Liquid
c)
Gas
6.
Molecules move, but they only vibrate in place.
a)
Solid
b)
Liquid
c)
Gas
7.

All phase changes (changing states) requires energy to be gained or lost.

a)

True

b)

False

8.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)
burning
c)
melting
d)
freezing
9.

Freezing is . . . .

a)

liquid to solid

b)

solid to liquid

c)

solid to gas

d)

solid to plasma

10.
The phase change from water vapor to liquid water is known as...
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
11.
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
12.

What is happening when my ice cream changes from a solid to a liquid?

a)

freezing

b)

melting

c)

burning

13.

Particles of a liquid

a)

are tightly packed together and stay in a fixed position.

b)

are free to move around one another but still touch.

14.

Definite shape and definite volume

a)

Solid

b)

Liquid

c)

Gas

15.

Has a definite volume but not a definite shape

a)

Solid

b)

Liquid

c)

Gas

16.

What phase changes would happen at letterB?

a)

freezing and melting

b)

condensation and vaporization

c)

evaporation and sublimation

d)

deposition and melting

17.

What phase changes will happen at letter D?

a)

Freezing and Melting

b)

vaporization and condensation

c)

deposition and sublimation

d)

evaporation and freezing

18.
How heat is transfered?
a)
From high to low temperature
b)
From low to high
c)
Up to down
d)
Left to right
19.
The lowest possible temperature is
a)
0 F
b)
0 K
c)
0 C
d)
273 K
20.

Heat is defined as

a)

the transfer of thermal energy from one object to another due to temperature difference

b)

the temperature of a solid, liquid, or gas

c)

The kinetic energy of a solid, liquid, or gas.

21.

The water in Mario’s swimming pool absorbs energy as heat during the day. Which of the following would the water in the pool be most likely to do?

a)

condense

b)

evaporate

c)

freeze

d)

melt

22.

How does heat transfer when you hold an ice cube in your hand?

a)

from the cold ice cube to your warm hand

b)

the cold ice cube makes your hand cold

c)

from your warm hand to the cold ice cube

d)

very carefully

23.

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

a)

one reaches a temperature of zero

b)

they both have an equal temperature

c)

one runs out of energy

24.
Water boils at 212⁰F, which is equivalent to__.
a)
273 K
b)
0⁰ C
c)
100⁰C
d)
37⁰C
25.
Scientists use either the ____ scale or the ____ scale.
a)
celsius, farenheit
b)
farenheit, kelvin
c)
kelvin
d)
celsius, kelvin
26.

Which of the following is not a method for heat transfer

a)

Radiation

b)

Insulation

c)

Conduction

d)

Convection

27.

Heating a room with a fireplace

a)

Conduction

b)

Convection

c)

Radiation

28.

How does heat energy reach the Earth from the Sun

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

29.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
30.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
31.

Choose the correct type of heat transfer: A hot air balloon rising

a)

Convection

b)

Conduction

c)

Radiation

32.

Choose the correct type of heat transfer: hot car in the sun

a)

convection

b)

conduction

c)

radiation

33.

Choose the correct type of heat transfer: boiling water

a)

convection

b)

conduction

c)

radiation

34.

Choose the correct type of heat transfer: heating pads for sore muscles

a)

convection

b)

conduction

c)

radiation

35.

Choose the correct type of heat transfer: getting a suntan

a)

convection

b)

conduction

c)

radiation

36.

Choose the correct type of heat transfer: a warm coffee mug

a)

convection

b)

conduction

c)

radiation

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