Science Revision 1

Question 1

Describe a solid

Answer 1

Fixed, particles vibrate on the spot, can’t be compressed, can’t flow and high density.

Question 2

Describe a liquid

Answer 2

Randomly scattered, particles move around each other, can’t be compressed, can be poured and high density.

Question 3

Describe a gas

Answer 3

Randomly scattered, particles far apart, can be compressed, can be poured and low density.

Question 4

How do you calculate density ?

Answer 4

Mass divided by volume.

Question 5

How do you calculate volume ?

Answer 5

Height x width x length.

Question 6

If the temperature is above the boiling point what is it?

Answer 6

A gas

Question 7

If the temperature is between the melting and boiling point what is it ?

Answer 7

A liquid

Question 8

If the temperature is below the melting point what is it?

Answer 8

A solid

Question 9

When a solid turns to a liquid what is it called?

Answer 9

Melting

Question 10

When a liquid turns to a gas what is it called ?

Answer 10

Evaporation

Question 11

When a solid turns to a gas what is it called ?

Answer 11

Deposition

Question 12

What happens when a solid turns to a gas ?

Answer 12

Sublimation