Chapter 7 Lesson 3 Physical Changes Daily Grade

1.

Multiple Choice

30 sec

1 pt

When thermal energy is removed from particles, they move _____ and temperature ________.

slower, decreases

slower, increases

faster, decreases

faster, increases

2.

Multiple Choice

30 sec

1 pt

When enough energy is removed from a gas for it to change to a liquid, the gas _______.

condenses

freezes

decomposes

expands

3.

Multiple Choice

30 sec

1 pt

When enough energy is removed from a liquid for it to change to a solid, the liquid _______.

condenses

freezes

decomposes

expands

4.

Multiple Choice

30 sec

1 pt

If a gas changes directly to a solid without first becoming a liquid, the gas undergoes _______.

condensation

freezing

decomposition

expansion

5.

Multiple Choice

30 sec

1 pt

What is it called when thermal energy is added and matter changes from a liquid to a gas?

boiling

deposition

melting

freezing

6.

Multiple Choice

30 sec

1 pt

What is it called when thermal energy is added and matter changes from a solid to a liquid?

condensation

boiling

sublimation

melting

7.

Multiple Choice

30 sec

1 pt

What is an example of freezing?

water becoming ice

ice becoming water

water becoming water vapor

water vapor becoming ice

8.

Multiple Choice

30 sec

1 pt

When one substance evenly mixes with another substance it called _______

boiling

dissolving

melting

freezing

9.

Multiple Choice

30 sec

1 pt

Sometimes, when energy is added to a solid, it undergoes ________, in which it changes directly from a solid to a gas without first becoming a liquid.

condensation

boiling

sublimation

melting

10.

Multiple Choice

30 sec

1 pt

When enough energy is added to a solid for it to change to a liquid, the solid has reached its ________.

melting point

boiling point

sublimation

deposition

11.

Multiple Choice

30 sec

1 pt

When enough energy is added to a liquid for it to change to a gas, the liquid has reached its ________.

melting point

boiling point

sublimation

deposition

12.

Multiple Choice

30 sec

1 pt

When thermal energy is added to particles, they move _____ and temperature _______.

slower, decreases

slower, increases

faster, decreases

faster, increases

13.

Multiple Choice

30 sec

1 pt

The energy of particles changes when ________ is added or removed.

thermal energy

chemical energy

mechanical energy

heat

14.

Multiple Choice

30 sec

1 pt

A change in state involves a change in the _____ of the particles.

decomposition

direction

force

energy

15.

Multiple Choice

30 sec

1 pt

____________ the matter’s identity stays the same.

Physical Change

Physical Property

Chemical Change

Chemical Property

16.

Multiple Choice

30 sec

1 pt

A physical change involves a change in size, shape, form, or state.

True

False

17.

Multiple Choice

30 sec

1 pt

Mass is different after a physical change.

True

False

18.

Multiple Choice

30 sec

1 pt

Which never changes after a physical change?

state of matter

temperature

total mass

volume

19.

Multiple Choice

30 sec

1 pt

Examine the graph of the temperature over time as a substance changes from solid to liquid to gas. Explain why the graph has horizontal lines.

The horizontal lines indicate that the temperature of a substance does not change during a change of state.

The horizontal lines indicate that the temperature of a substance is changing rapidly during a change of state.

The horizontal lines indicate that the temperature of a substance is steadily changing during a change of state.

20.

Multiple Choice

1 min

1 pt

Rodney tears a piece of paper weighing 1 oz into small pieces. What most likely happens to the weight of the sheet of paper after Rodney tears it into pieces?

The weight went to zero.

The weight is cut in half.

The weight stays the same.

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