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Y9 Energy Revision
Y9 Energy Revision
1 / 23
volgende
Slide 1:
Tekstslide
Physics
Lower Secondary (Key Stage 3)
In deze les zitten
23 slides
, met
interactieve quizzen
en
tekstslides
.
Lesduur is:
30 min
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Y9 Energy Revision
Slide 1 - Tekstslide
Give the 5 energy stores. What is each store associated with? Give an example of an object with a large store of each.
Slide 2 - Woordweb
There are 5 ways energy is stored.
Store
Energy to do with...
For example...
Thermal
Objects that are hot.
A hot cup of tea.
Kinetic
Moving objects
A formula 1 car.
Chemical
Food and fuels
Batteries or coal.
Elastic potential
Objects that stretch or compress
A stretched rubber band.
Gravitational potential
Objects high up
A person standing on a diving board.
Slide 3 - Tekstslide
Usain Bolt running the 100m has a large store of...
A
Thermal energy
B
Elastic potential energy
C
Kinetic energy
D
Gravitational potential energy
Slide 4 - Quizvraag
A bonfire has a large store of...
A
Chemical energy
B
Kinetic energy
C
Elastic potential energy
D
Thermal energy
Slide 5 - Quizvraag
A clock hanging on the wall has a large store of...
A
Elastic potential energy
B
Thermal energy
C
Kinetic energy
D
Gravitational potential energy
Slide 6 - Quizvraag
Slide 7 - Tekstslide
How can energy be transferred?
Slide 8 - Open vraag
Slide 9 - Tekstslide
A bonfire transfers energy to the thermal store of the air by...
A
Sound
B
Electricity
C
Heating
D
Force
Slide 10 - Quizvraag
How is energy transferred from a power source to a hairdryer?
A
Sound
B
Heating
C
Electricity
D
Force
Slide 11 - Quizvraag
Energy is transferred from the energy store of the battery to the radio by . The radio then transfers the energy by waves.
Energy within the energy store of your moving fingers is transferred to the energy store of a rubber band by .
chemical
electricity
sound
kinetic
elastic
force
Slide 12 - Sleepvraag
State the law of conservation of energy.
Slide 13 - Open vraag
An object is more efficient if it transfers more energy in a USEFUL way.
Slide 14 - Tekstslide
What is the useful energy in this example?
A
Thermal (+ sound)
B
Kinetic
Slide 15 - Quizvraag
What is the useful energy in this example?
A
Thermal
B
Sound and kinetic
Slide 16 - Quizvraag
What is the useful energy in this example?
A
Kinetic
B
Sound
C
Thermal
Slide 17 - Quizvraag
Which car is the most efficient?
A
A
B
B
Slide 18 - Quizvraag
A
The filament lamp is most efficient.
B
The LED light is most efficeint.
C
The CFL lamp is most efficient.
Slide 19 - Quizvraag
Slide 20 - Tekstslide
Slide 21 - Tekstslide
Slide 22 - Tekstslide
Slide 23 - Tekstslide