P4MATTER

What is matter?

anything that has mass and

occupies space.

Three states of matter

• SOLIDS

• LIQUIDS

• GASES

SOLID

A solid has a definite or fixed shape.

• When a solid is placed into a container, it does not take up the shape of the container.

• If you want to change its shape, you have to knock, press or stretch it.

A solid has a definite or fixed volume.

It cannot be compressed easily

What about sponge and cotton wool?

They can be squeezed easily into the hole because they are soft and contain lots of air pockets.

Can a plastic box be squeezedinto a small hole?

It has a definite shape and volume and cannot be squeezed to fit into the small hole.

LIQUID

A Liquid has no definite shape

• When a liquid is poured into a container, it takes the shape of the container.

A Liquid has a fixed or definite volume

A liquid occupies a fixed amount of space.

A liquid cannot be compressed

GAS

A gas has no definite shape

A gas takes up the shape of the container that holds it.

A gas has no definite volume

• Gas can be easily compressed

Three States of Matter

Recap!!!!!

fixed volume

definite shapeFixed volume

Definite shape

Fixed volume

No definite shape

No fixed volume

No definite shape