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Phase Change - Chapter 2

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

Which of the following causes a substance's freedom of movement to INCREASE?

a)

freezing

b)

melting

c)

condensing

d)

activating

2.

Which of the following causes a substance's freedom of movement to INCREASE?

a)

freezing

b)

evaporating

c)

condensing

d)

regulating

3.

Which of the following causes a substance's freedom of movement to DECREASE?

a)

freezing

b)

melting

c)

evaporating

d)

stagnating

4.

Which of the following causes a substance's freedom of movement to DECREASE?

a)

condensing

b)

evaporating

c)

melting

d)

energizing

5.

When a substance cools down, its freedom of movement:

a)

decreases

b)

increases

c)

stays the same

6.

When a substance gets colder, its freedom of movement:

a)

increases

b)

decreases

c)

stays the same

7.

When a substance heats up, its freedom of movement:

a)

increases

b)

decreases

c)

stays the same

8.

When a substance gets hotter or warmer, its freedom of movement:

a)

increases

b)

decreases

c)

stays the same

9.

If energy is transferred INTO a substance, the substance will:

a)

get warmer/hotter

b)

get cooler/colder

c)

stay the same

10.

If energy is transferred OUT OF a substance, the substance will:

a)

gets warmer/hotter

b)

gets cooler/colder

c)

stay the same temperature

11.

In the slot canyons, clouds condense from the hot air when...

a)

there is a nighttime decrease in temperature

b)

there is a nighttime increase in temperature

c)

there is a daytime increase in temperature

d)

there is extremely dry weather

12.

In the glacier caves of Iceland, the caves form from glaciers when...

a)

lava heats the rocks of the ground causing the ice touching the ground to melt

b)

lava heats the air causing the top of the glacier to melt

c)

the air condenses into clouds when the nighttime temperature drops

d)

the nighttime drop in temperature causes the glacier to freeze

13.

Niagara Falls can sometimes freeze when...

a)

temperatures drop below freezing during winter

b)

the temperatures drop at nighttime

c)

the volcanic rocks heat up the water

d)

there is a full moon

14.

The "Old Faithful" geyser in Wyoming erupts because...

a)

volcanic rocks heat up the water until it boils and explodes out of the ground

b)

volcanic rocks melt ice underground

c)

wintertime causes water underground to evaporate

d)

nighttime causes water underground to boil

15.

If you want to MELT a solid, you have to:

a)

transfer energy INTO it

b)

transfer energy OUT of it

c)

keep the energy the same

d)

transfer energy both INTO and OUT of it at the same time

16.

If you want to EVAPORATE a liquid, you have to:

a)

transfer energy INTO it

b)

transfer energy OUT of it

c)

keep the energy the same

d)

transfer energy both INTO and OUT of it at the same time

17.

If you want to FREEZE a solid, you have to:

a)

transfer energy OUT of it

b)

transfer energy INTO it

c)

keep the energy the same

d)

transfer energy both INTO and OUT of it at the same time

18.

If you want to CONDENSE a gas, you have to:

a)

transfer energy OUT of it

b)

transfer energy into it

c)

keep the energy the same

d)

transfer energy both INTO and OUT of it at the same time

19.

When energy is ADDED to a substance, it leads to:

a)

an INCREASE in the kinetic energy of the molecules that make up that substance

b)

a DECREASE in the kinetic energy of the molecules that make up that substance

c)

NO CHANGE in the kinetic energy of the molecules that make up that substance

d)

BOTH a simultaneous INCREASE and DECREASE in the kinetic energy of the molecules that make up that substance

20.

When energy is REMOVED from a substance, it leads to:

a)

a DECREASE in the kinetic energy of the molecules that make up that substance

b)

an INCREASE in the kinetic energy of the molecules that make up that substance

c)

NO CHANGE in the kinetic energy of the molecules that make up that substance

d)

BOTH a simultaneous INCREASE and DECREASE in the kinetic energy of the molecules that make up that substance

21.

An INCREASE in molecules' motion is evidence that:

a)

their kinetic energy has INCREASED.

b)

their kinetic energy has DECREASED.

c)

their kinetic energy has STAYED THE SAME.

22.

A DECREASE in molecules' motion is evidence that:

a)

their kinetic energy has DECREASED

b)

their kinetic energy has INCREASED

c)

their kinetic energy has STAYED THE SAME

23.

A "measure of how hot or cold something is" is called:

a)

temperature

b)

heat

c)

kinetic energy

d)

potential energy

24.

The "measure of the average kinetic energy of the molecules of a substance" is also known as:

a)

temperature

b)

heat

c)

potential energy

d)

speed