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State of Matter/ Phase Changes/ Gas Pressure and Diffusion

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Molecules move, but they only vibrate in place.

a)

solid

b)

liquid

c)

gas

d)

plasma

2.

Which state of matter has a definite shape?

a)

liquid

b)

gas

c)

plasma

d)

solid

3.

The matter that has no definite shape, but has a definite volume

a)

solid

b)

liquid

c)

gas

d)

plasma

4.

Molecules change position easily and slide past one another.

a)

solid

b)

liquid

c)

gas

d)

plasma

5.

Matter that has no definite shape, nor volume.

a)

solid

b)

liquid

c)

gas

d)

bose einstein

6.

Change of state from a solid to a liquid.

a)

sublimation

b)

freezing

c)

deposition

d)

melting

7.

All phase changes (changing states) requires energy to be added or taken away.

a)

true

b)

false

8.

The phase change from water vapor to liquid water is known as...

a)

evaporation

b)

condensation

c)

precipitation

d)

sublimation

9.

What is the phase change of a solid to a liquid?

a)

freezing

b)

boiling

c)

condensation

d)

melting

10.

What is it called when a solid turns directly into a gas?

a)

Sublimation

b)

Condensation

c)

Melting

d)

Deposition

11.

Change from Gas to Solid is called........

a)

Sublimation

b)

Fusion

c)

condensation

d)

Deposition

12.

Change from Liquid to Solid is called ...

a)

sublimation

b)

fusion

c)

Freezing

d)

evaporation

13.

What is the difference between particles in a gas and a solid?

a)

solid particles expand on heating

b)

solid particles move faster than gas particles

c)

gas particles are closer together

d)

gas particles have more kinetic energy than solid particles

14.

How can we increase the gas pressure inside a sealed container?

a)

Increase the number of particles inside the container

b)

Decrease the volume of the container

c)

Increase the temperature

d)

All of these

15.

In what direction(s) does air exert pressure?

a)

there is no pressure

b)

everywhere

c)

nowhere

d)

downward

16.

Pressure can be exerted by solids, liquids and gases.

a)

True

b)

False

c)

Maybe, not so sure

17.

When particles move from areas of high concentration to areas less concentrated, this has taken place.

a)

Phagocytosis

b)

Diffusion

c)

Photosynthesis

d)

Transpiration

18.

What does “high concentration area” mean?

a)

Particles are Spread out

b)

Uncrowded

c)

Tightly packed together

d)

Spacious

19.

Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration

a)

Low, low,

b)

High, low

c)

Low, high

d)

High, high

20.

If a balloon is submerged into warm water, the pressure inside will...

a)

Decrease

b)

Remain the same

c)

Increase

d)

Not enough information to formulate an answer