1. MATTER AND MATERIALS
• Matter is everything around us: all living and
non-living things are made of matter.
• Matter can be in three states:
SOLIDS:
LIQUIDS:
GASES:
they have their own shape.
they take the shape of the container
they also take the shape of the container

3. 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:
When the object:
-Place
-Shape
-State
-Temperature
-Rots
-Rusts
-Ferments
-Burns

4. HOMOGENEOUS
MIXTURE:
HETEROGENEOUS
MIXTURE:
You can see only one
component
You can see the different
components
Other examples: milk and
Cola-Cao; carrot puree.
Other examples: sand and
water; muesli.

5. MATERIALS
NATURAL
Are found in nature
Vegetable
origin:
come from
plants
Animal
origin:
come from
animals
EXAMPLE: EXAMPLE:
-Wood
-Leather
-Cotton
-Wool
ARTIFICIAL
Are made by man with natural
materials
Mineral
origin:
come from
rocks and
minerals
EXAMPLE:
-Graphite
-Granite
Example: glass, paper, plastic

8. QUIZ
1.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
e) You leave a book on a bookshelf f) A can rusts
g) You leave a glass of milk for several days under the sun
h) You warm soup
d) A banana rots
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

9. ANSWERS
1.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

10. ANSWERS
1.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