Unit 6: Changes in matter

6th P.E.

What is matter?Matter is anything that forms the Universe and takes up space.

The properties of matter

Matter has GENERAL and SPECIFIC properties.

General properties

Mass

Volume

Specific Properties

Colour

density

shape…

Changes in Matter

Physical changes

Chemical changes

Physical Changesdo not change the mass of an object.

Do not change the type of matter an object is formed.

Deformations or changes of shape

Changes of state

expansions or increase in volume.

Contractions or decreases of volume.

Chemical Changes

Happen when two or more substances are combined.

They react to each other and they produce new substances, PRODUCTS.

Pure substances and mixtures

Pure substances= are formed of only one type of matter.

Mixtures are formed of different types of matter.Solutions ( we cannot distinguish the different components like water with sugar).

Words that have you learnt

MATTER

MASS

VOLUME

DENSITY

Separating Mixtures

Physical changes

Chemical changes

Solutions