This document discusses different types of energy including heat, light, sound, electrical, kinetic, gravitational potential, elastic, and chemical energy. It provides examples of where these different types of energy occur, such as heat stored in moving particles, light given off by luminous objects, and chemical energy stored in foods and batteries. The document also covers energy transfers, conversions between different types of energy, and energy resources originating from the sun. It includes diagrams illustrating energy conversions and questions to test understanding of energy concepts.

1. Energy transfers
Target
To know the main types of energy and
examples of where they occur.
Thursday, February 9, 2017

2. Energy types
• The pictures on thisThe pictures on this
page will give you apage will give you a
series of clues of theseries of clues of the
eight main types ofeight main types of
energy – what areenergy – what are
they?they?

3. Energy types
• 1. Heat – stored in the1. Heat – stored in the
moving particles in amoving particles in a
substance.substance.
• 2. Light – given off by2. Light – given off by
luminous objects.luminous objects.
• 3. Sound – given off3. Sound – given off
by vibrating objects.by vibrating objects.
• 4. Electrical – carried4. Electrical – carried
by moving charges.by moving charges.

4. Energy types
• 5. Kinetic – in any5. Kinetic – in any
moving object.moving object.
• 6. Gravitational6. Gravitational
potential – in anypotential – in any
object above ground.object above ground.
• 7. Elastic – in7. Elastic – in
stretched springs andstretched springs and
rubber bands.rubber bands.
• 8. Chemical – in food,8. Chemical – in food,
fuels and batteries.fuels and batteries.

5. Questions
Core Science 1 page 236 and 237Core Science 1 page 236 and 237

6. Energy
Moving
energy
Stored
energy
Kinetic
Electrical
Heat
Light
Sound
Elastic
Chemical
Gravitationalpotential
Unitof
energy
Joules
Maintypes
ofenergy
Specific
energy
types
Car
CD
player
Examples
Toaster
Lamp
Radio
Spring
Mars
bar
Ballon
table

7. Energy transfers
Target
To know about energy conversions.
Thursday, February 9, 2017

8. Energy conversions
• Energy is neverEnergy is never
destroyed – it isdestroyed – it is
simply converted fromsimply converted from
one form to another.one form to another.
• You must be able toYou must be able to
recognise the energyrecognise the energy
change in manychange in many
different situations.different situations.

9. Energy conversions – describe the
energy conversions shown here.

10. Energy conversions – describe the
energy conversions shown here.
Electrical
Kinetic + heat + sound
Electrical
Kinetic + sound
Chemical
Heat + light
Electrical

11. Energy conversions – describe the
energy conversions shown here.

12. Energy resources
• An energy resource isAn energy resource is
somewhere wheresomewhere where
energy is stored forenergy is stored for
later use – like petrollater use – like petrol
or coal.or coal.
• Most energy resourcesMost energy resources
originally come fromoriginally come from
the sun and many havethe sun and many have
been stored forbeen stored for
millions of years.millions of years.

13. Energy resources look at these pictures to
see how energy resources are created.

14. Key words
• 1. Heat1. Heat
• 2. Light2. Light
• 3. Sounds3. Sounds
• 4. Electrical4. Electrical
• 5. Kinetic5. Kinetic
• 6. Gravitational6. Gravitational
• 7. Temperature7. Temperature
• 8. Conversions8. Conversions
• 9. Resources9. Resources

19. Energy quiz
1.1. In this picture theIn this picture the
energy change isenergy change is
from – chemical tofrom – chemical to
electrical ( T or F)electrical ( T or F)
2.2. In this picture theIn this picture the
energy change isenergy change is
from – electrical tofrom – electrical to
light only. (T or F)light only. (T or F)

20. Energy quiz
3.3. The spring has kinetic energyThe spring has kinetic energy
stored in it. (T or F).stored in it. (T or F).
4.4. In this picture the boy isIn this picture the boy is
losing gravitational potentiallosing gravitational potential
energy as he climbs down theenergy as he climbs down the
cliff. (T or F).cliff. (T or F).
5. The girl is5. The girl is usingusing kinetickinetic
energy to make her move. (Tenergy to make her move. (T
or F).or F).

21. Energy quiz
1.1. In this picture theIn this picture the
energy change isenergy change is
from – chemical tofrom – chemical to
electricalelectrical (T RUE)(T RUE)
2.2. In this picture theIn this picture the
energy change isenergy change is
from – electrical tofrom – electrical to
light only.light only. (FALSE)(FALSE)

22. Energy quiz
3.3. The spring has kinetic energyThe spring has kinetic energy
stored in it.stored in it. (FALSE).(FALSE).
4.4. In this picture the boy isIn this picture the boy is
losing gravitational potentiallosing gravitational potential
energy as he climbs down theenergy as he climbs down the
cliff.cliff. (TRUE).(TRUE).
5. The girl is5. The girl is usingusing kinetickinetic
energy to make her move.energy to make her move.
(FALSE).(FALSE).

23. Heat and temperature
• Temperature is a measureTemperature is a measure
of theof the level of heatlevel of heat in anin an
object – the amount of heatobject – the amount of heat
depends on:depends on:
• 1. Temperature1. Temperature
• 2 Amount of substance2 Amount of substance
• 3. Type of substance.3. Type of substance.