Solids, liquids, gases, particle theory and change in state

Question 1

What are the three forms materials come in?

Answer 1

Solids, liquids or gases

Question 2

What are materials made up of?

Answer 2

particles

Question 3

What are the properties of a solid?

Answer 3

Have a fixed volume, fixed shape, high density, not easily squashed, don’t flow

Question 4

What are the properties of a liquid?

Answer 4

Have a definite volume, match the shape of the container, have a medium density, not easily squashed, flow easily

Question 5

What are the properties of a gas?

Answer 5

have no definite volume (fill the space), same shape as the container, low density, easily squashed, flow easily

Question 6

What are the particles like in a solid? Draw a diagram

Answer 6

they are all tightly packed together

Question 7

What are the particles like in a liquid? Draw a diagram

Answer 7

they are clustered together but with space to move around.

Question 8

What are the particles like in a gas? Draw a diagram

Answer 8

They have a lot of space to move around. They are not tightly clustered

Question 9

What are the 5 processes in changing states?

Answer 9

Melting, freezing, subliming, condensing, boiling

Question 10

Subliming is?

Answer 10

going from a solid to a gas

Question 11

Melting is?

Answer 11

going from a solid to a liquid

Question 12

Freezing is?

Answer 12

going from a liquid too a solid

Question 13

Boiling is?

Answer 13

going from a liquid to a gas

Question 14

Condensing is?

Answer 14

going from a gas to a liquid

Question 15

Does changing state affect the mass?

Answer 15

NO

Question 16

20g of ice=

Answer 16

20g of water and 20g of gas