• Matter is everything around us: all living and non-living things are made of matter.• Matter can be in three states:

MATTER AND MATERIALS

SOLIDS: they have their own shape.

LIQUIDS: they take the shape of the container

GASES: they also take the shape of the container

PHYSICAL AND CHEMICAL CHANGES

The objects changes but the matter is the same

The object changes and a different matter is formed

When the object changes:

-Place -Shape-State-Temperature

When the object:

-Rots-Rusts-Ferments-Burns

HETEROGENEOUS MIXTURE: You can see the different components Other examples: sand and water; muesli.

HOMOGENEOUS MIXTURE:

You can see only one component

Other examples: milk and Cola-Cao; carrot puree.

MATERIALS

Are found in nature Are made by man with natural materials

Vegetable origin: come from plants

EXAMPLE: -Wood-Cotton

Animal origin: come from animals

EXAMPLE:-Leather-Wool

Mineral origin: come from rocks and minerals

EXAMPLE:-Graphite-Granite

Example: glass, paper, plastic

NATURAL ARTIFICIAL

QUIZ1.Solid, liquid or gas?

a) Oil b) Can c) Smoke d) Book e) Perfume f) Clouds

2. Physical or chemical change?

a)Butter melts b) Wood burns c) You cut bread d) A banana rotse) You leave a book on a bookshelf f) A can rusts g) You leave a glass of milk for several days under the sunh) You warm soup

3. Heterogeneous or homogeneous mixture?

a)Spanish omelette b) Strawberry cake c) Pancake batter d) Sea water

4. Artificial, vegetable, animal or mineral origin?

a) Rubber b) Glass c) Paper d) Nylon e) Leather f) Silk g) Gold h) Cotton

ANSWERS1.a) liquid b) solid c) gas d) solid e) liquid f) gas

2. a) physical b) chemical c) physical d) chemical e) physical f) chemical g) chemical h) physical

3. a) heterogeneous mixture b) heterogeneous mixture c) homogeneous mixture d) homogeneous mixture

4. a) vegetable origin b) artificial c) artificial d) artificial e) animal origin f) animal origin g) mineral origin h) vegetable origin