Chemistry Mid-Topic Test Vocab (Term 3)

Question 1

Matter

Answer 1

Anything that takes up space and has mass

Question 2

Solid

Answer 2

A state of matter where the particles are packed closely together in a highly organised manner

Question 3

Liquid

Answer 3

A state of matter where the particles are still quite close together but not as tightly packed together as solids

Question 4

Gas

Answer 4

A state of matter where the particles are very far apart and can move about freely

Question 5

Diffusion

Answer 5

The process by which a gas spreads itself around its container

Question 6

Melting

Answer 6

The process by which a substance in the solid state changes to the liquid state

Question 7

Solidification (or freezing)

Answer 7

The process by which a substance in the liquid state changes to the solid state

Question 8

Condensation

Answer 8

The process by which a substance in the gaseous state changes to liquid. Occurs by way of cooling down a gas

Question 9

Sublimation

Answer 9

The process by which a substance in the solid state changes directly into a gaseous state (skipping the liquid state)

Question 10

Melting Point

Answer 10

The temperature at which a substance changes from solid to liquid

Question 11

Boiling Point

Answer 11

The temperature at which a substance changes from liquid to gas