states of matter

Question 1

Describe gas particles

Answer 1

Random, far apart, fast in all directions

Question 2

Describe liquid particles

Answer 2

Random, close together, move around each other

Question 3

Describe solid particles

Answer 3

Regular, close together, vibrate in fixed positions

Question 4

What are state changes?

Answer 4

Physical changes that can be reversed

Question 5

Can chemical changes be reversed?

Answer 5

No

Question 6

What is sublimation?

Answer 6

Converting a solid to a gas without making it a liquid

Question 7

What is deposition?

Answer 7

Converting a gas to a solid without making it a liquid

Question 8

What are the melting and boiling points?

Answer 8

Melting point- when a solid melts into a liquid
Boiling point- when a liquid boils into a gas