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6th Mod7L2 States of Matter

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

The combined total of the KE and PE in a material is called ________.

a)

radiant energy

b)

nuclear energy

c)

chemical energy

d)

thermal energy

2.

When water is heated on a stove, which kind of energy is transferred from the element to the water?

a)

element energy

b)

heat energy

c)

kinetic energy

d)

thermal energy

3.

While a substance is boiling, its temperature (KE) ______?

a)

increases

b)

decreases

c)

does not change

d)

may increase or decrease, depending on the substance

4.

Thermal Energy can increase even if the average KE is constant.

a)

True

b)

False

5.

Adding thermal energy to a cup of water may cause the particles to ______.

a)

move faster

b)

move closer together

c)

slow down

d)

collide less frequently

6.

During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of _________.

a)

condensation

b)

deposition

c)

sublimation

d)

vaporization

7.

Marco put a pot of water on to boil eggs. Half an hour later, he returned to find the post dry. This is an example of ________.

a)

condensation

b)

deposition

c)

sublimation

d)

vaporization

8.

Which has more total energy (thermal energy) between the two items?

1. Substance: X, Mass: 50g, Temp: 50OC, State: Liquid

2. Substance: X, Mass: 50g, Temp: 50OC, State: Solid

a)

Item #1

b)

Item #2

9.

True/False: Thermal Energy is the same as temperature.

a)

True

b)

False

10.

True/False: The more attracted particles are to each other, the higher the melting and boiling point temperatures.

a)

True

b)

False

11.

True/False: As indicated in the Heating Curve chart, when a substance is changing state, the temp. stays the same at the melting and boiling point.

a)

True

b)

False

12.

In what state of matter, are the attractive forces the strongest?

a)

Solid

b)

Liquid

c)

Gase

13.

What are the 2 types of vaporization? (Select two)

a)

condensation

b)

evaporation

c)

boiling

d)

freezing

14.

True/False: More mass --> More particles = More energy

a)

True

b)

False