Y9 Energy Revision

Give the 5 energy stores. What is each store associated with? Give an example of an object with a large store of each.
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Slide 1: Woordweb
PhysicsLower Secondary (Key Stage 3)

In deze les zitten 31 slides, met interactieve quizzen en tekstslides.

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Give the 5 energy stores. What is each store associated with? Give an example of an object with a large store of each.

Slide 1 - 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 2 - 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 3 - Quizvraag

Springs on a trampoline have 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 chinese takeaway has a large store of...
A
Chemical energy
B
Kinetic energy
C
Elastic potential energy
D
Thermal energy

Slide 6 - 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 7 - Quizvraag

A bullet train has a large store of...
A
Elastic potential energy
B
Thermal energy
C
Kinetic energy
D
Gravitational potential energy

Slide 8 - Quizvraag

Slide 9 - Tekstslide

The apple has 50 J of gravitational potential energy on the branch, how much kinetic energy does it have just before hitting the floor?

Slide 10 - Open vraag

A rollercoaster has 120 J of kinetic energy, it moves up the slope until it comes to a stop. How much gravitational potential energy does the rollercoaster have when it stops?

Slide 11 - Open vraag

How can energy be transferred?

Slide 12 - Open vraag

Slide 13 - Tekstslide

A bonfire transfers energy to the thermal store of the air by...
A
Sound
B
Electricity
C
Heating
D
Force

Slide 14 - Quizvraag

How is energy transferred from a power source to a hairdryer?
A
Sound
B
Heating
C
Electricity
D
Force

Slide 15 - 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 16 - Sleepvraag

State the law of conservation of energy.

Slide 17 - Open vraag

An object is more efficient if it transfers more energy in a USEFUL way.

Slide 18 - Tekstslide

What is the useful energy in this example?
A
Thermal (+ sound)
B
Kinetic

Slide 19 - Quizvraag

What is the useful energy in this example?
A
Thermal
B
Sound and kinetic

Slide 20 - Quizvraag

What is the useful energy in this example?
A
Kinetic
B
Sound
C
Thermal

Slide 21 - Quizvraag

Which car is the most efficient?
A
A
B
B

Slide 22 - Quizvraag


A
The filament lamp is most efficient.
B
The LED light is most efficeint.
C
The CFL lamp is most efficient.

Slide 23 - Quizvraag

Slide 24 - Tekstslide

Slide 25 - Tekstslide

Slide 26 - Tekstslide

Slide 27 - Tekstslide

How would you make a bike wheel more efficient?
A
Lubricant
B
Dampeners
C
Streamlined shape
D
Low electrical resistance

Slide 28 - Quizvraag

How would you make a mobile phone more efficient?
A
Lubricant
B
Dampeners
C
Streamlined shape
D
Low electrical resistance

Slide 29 - Quizvraag

How would you make a washing machine more efficient?
A
Lubricant
B
Dampeners
C
Streamlined shape
D
Low electrical resistance

Slide 30 - Quizvraag

How would you make an aeroplane more efficient?
A
Lubricant
B
Dampeners
C
Streamlined shape
D
Low electrical resistance

Slide 31 - Quizvraag