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States of Matter and Phase Changes

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

What phase change takes place when a liquid turns into a gas?

a)

Melting

b)

Sublimation

c)

Condensation

d)

Evaporation

2.

What phase change takes place when a liquid turns into a solid?

a)

Melting

b)

Freezing

c)

Deposition

d)

Condensation

3.

Walking outside on a hot day and having your solid popsicle turn into liquid is an example of _____ .

a)

Deposition

b)

Evaporation

c)

Freezing

d)

Melting

4.

When you see drops of liquid water on your cold coke can caused by cooling of the water vapor in the air, _______ has occurred.

a)

Deposition

b)

Condensation

c)

Sublimation

d)

Melting

5.

When you boil water and it turns to steam, you are seeing an example of _______ occur.

a)

Evaporation

b)

Melting

c)

Condensation

d)

Sublimation

6.

This state of matter expands to fill its container.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

7.

This state of matter has a firm, unchanging physical structure.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

8.

The colder the temperature, the _______ the particle's motion.

a)

Faster

b)

Slower

c)

Smaller

d)

Larger

9.

True or False: Temperature is just measuring the amount of energy a substance’s molecules have.

a)

True

b)

False

10.

The energy an object has due to its motion.

a)

thermal energy

b)

temperature

c)

kinetic energy

11.
Rank these in order from least dense to most dense.
a)
Solid, Liquid, Gas
b)
Liquid, Gas, Solid
c)
Gas, Solid, Liquid
d)
Gas, Liquid, Solid
12.
The molecules in the picture are tightly held together with little movement. They have shape and energy.  Therefore, the picture represents _________.
a)
solid
b)
liquid
c)
gas
d)
plasma
13.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
14.
Molecules are far apart and are in constant motion.
a)
Solid
b)
Liquid
c)
Gas
15.
Molecules change position easily and slide past one another.
a)
Solid
b)
Liquid
c)
Gas
16.
Molecules move, but they only vibrate in place.
a)
Solid
b)
Liquid
c)
Gas
17.

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

a)

True

b)

False

18.

Evaporation is . . . .

a)

gas to liquid

b)

liquid to gas

c)

gas to solid

d)

solid to liquid

19.

Adding energy to a substance makes it particles move ______________.

a)

faster

b)

slower

c)

the same

d)

none of these

20.

Removing energy from a substance makes it particles move ______________.

a)

faster

b)

closer together

c)

the same

d)

farther apart