States of Matter Revision

Question 1

What are the three states of matter?

Answer 1

Solid, liquid and gas

Question 2

What are the physical properties of a solid?

Answer 2

Solids hold their shape

Question 3

What are the physical properties of a liquid?

Answer 3

Liquids take the shape of their container

Question 4

What are the physical properties of a gas?

Answer 4

Gases fill their container

Question 5

Define diffusion

Answer 5

The particles of two liquids or gases will mix evenly (diffuse) without having to be mixed

Question 6

What are the six changes in states of matter?

Answer 6

Melting
Evaporation
Condensation
Solidification (freezing)
Sublimation
Deposition

Question 7

What is melting?

Answer 7

Matter changing from a solid to a liquid

Question 8

What is evaporation?

Answer 8

Matter changing from a liquid to a gas

Question 9

What is condensation?

Answer 9

Matter changing from a gas to a liquid

Question 10

What is solidification (freezing)?

Answer 10

Matter changing from a liquid to a solid

Question 11

What is sublimation?

Answer 11

Matter changing from a solid to a gas

Question 12

What is deposition?

Answer 12

Matter changing from a gas to a solid

Question 13

What happens when expansion occurs in matter?

Answer 13

The volume of the object increases and its density decreases

Question 14

What happens when contraction occurs in matter?

Answer 14

The volume of an object decreases and its density increases

Question 15

What does density mean?

Answer 15

Density measures how much matter is packed into a space