Unit 8: Energy
8.1 Different types of energy.
8.2 Sources of energy.
8.1 Different types of energy.
There are many but the
most important ones are:
·
Kinetic energy.- We use it for movement.
·
Chemical energy.-We have it in food.
·
Sound energy.- We have it in anything that
makes sounds.
·
Thermal energy.-It produces heat.
Example: The Sun produces a lot of termal energy.
·
Electrical energy.-It is used every day with
light bulbs.
·
Light energy.-It is produced by traffic
lights and by The Sun.
ACTIVITIES
1.-Which
are the six most important types of
energy?
Kinetic energy, chemical energy,
thermal energy, sound energy, electrical energy, light energy.
2.-
Match
· Kinetic sound
· Electrical
every day
· Sound
movement
3.- Write
below the picture the type of energy.
chemical sound electrical kinetic light a b c
Sound light chemical
8.2 Sources of energy.
There are two types: non-
renewable energy and renewable energy.
Ø Non-renewable energy.-They
come from the ground and the seabed. We cannot replace them. Examples: natural gas, coal and crude oil.
Ø Renewable energy.-They
are The Sun, air and water. They don´t run out. They don´t cause pollution.
Examples: solar energy with solar
panels, wind farms and hydroelectric power stations.
ACTIVITIES
1.-
Which are the two types the sources of energy?
Non-renewable and renewable energy.
2.-
Where the non-renewable energy comes from?
a)
The ground b) The Sun
3.-
Write 3 examples of non-renewable energy.
Natural gas, coal and crude oil.
4.-
True or False
-
The Sun is for renewable energy. TRUE
-
Air is non- renewable energy FALSE
-Renewable energy
is better for the environment TRUE.
5.-
Complete the sentences
- ………… energy sources will never run
out.
- ……………..energy sources run out.
6-
List 3 examples of renewable energy.
The Sun, air and water.
7.-
Draw
|
A
non-renewable energy |
A
renewable energy |
