Y8: Energy Revision
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Lesduur is: 35 minOnderdelen in deze les
Slide 1 - Tekstslide
What is the unit of energy?
A
Joules
B
Watts
C
Seconds
D
Newtons
Slide 2 - Quizvraag
How many joules in 1 kilojoule?
A
0.1
B
1000
C
100
D
10
Slide 3 - Quizvraag
How many kJ are there in 4000J?
A
400000
B
0.4
C
40
D
4
Slide 4 - Quizvraag
Slide 5 - Tekstslide
Name 3 things that have a thermal energy store.
Slide 6 - Open vraag
Slide 7 - Tekstslide
Name 3 things that have a kinetic energy store.
Slide 8 - Open vraag
Slide 9 - Tekstslide
Name 3 things that have a chemical energy store.
Slide 10 - Open vraag
Slide 11 - Tekstslide
Name 3 things that have a gravitational potential energy store.
Slide 12 - Open vraag
Slide 13 - Tekstslide
Name 3 things that have an elastic potential energy store.
Slide 14 - Open vraag
A bonfire has a large ............... energy store.
A
Kinetic
B
Thermal
C
Chemical
D
Elastic potential
Slide 15 - Quizvraag
A racing formula one car has a large ............... energy store.
A
Kinetic
B
Thermal
C
Chemical
D
Gravitational potential
Slide 16 - Quizvraag
A flying bird has a large ............... energy store.
A
Kinetic
B
Thermal
C
Chemical
D
Gravitational potential
Slide 17 - Quizvraag
A stress ball has a large ............... energy store.
A
Elastic potential
B
Thermal
C
Chemical
D
Gravitational potential
Slide 18 - Quizvraag
A bag of sweets has a large ............... energy store.
A
Elastic potential
B
Thermal
C
Chemical
D
Gravitational potential
Slide 19 - Quizvraag
Complete the table.
Chemical energy store
Elastic potential energy store
Gravitational potential energy store
Kinetic energy store
Objects moving fast
Hot objects
Stretched or compressed objects
Wood and coal
A rock on a cliff
Boiling water
Slide 20 - Sleepvraag
Slide 21 - Tekstslide
Slide 22 - Tekstslide
Label the energy store that is being transferred from and to.
Thermal
Kinetic
Chemical
Gravitational potential
Elastic potential
Slide 23 - Sleepvraag
Label the energy store that is being transferred from and to.
Thermal
Kinetic
Chemical
Gravitational potential
Elastic potential
Slide 24 - Sleepvraag
Label the energy store that is being transferred from and to.
Thermal
Kinetic
Chemical
Gravitational potential
Elastic potential
Slide 25 - Sleepvraag
Slide 26 - Tekstslide
Slide 27 - Tekstslide
Energy is transferred from the chemical store of the wood to the thermal store of the air by ........................... (you can pick more than one).
Sound
Light
Electricity
Force
Heating
Slide 28 - Sleepvraag
Energy is transferred from the gravitational potential store of the platform diver to the kinetic store of the falling diver by ...........................
Sound
Light
Electricity
Force
Heating
Slide 29 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 30 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 31 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 32 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 33 - Sleepvraag
Challenge: Describe the energy stores in a hairdryer. How is energy transferred to and from the hairdryer?
Slide 34 - Open vraag
Thermal is a....
A
Store
B
Transfer
Slide 35 - Quizvraag
Heating is a....
A
Store
B
Transfer
Slide 36 - Quizvraag
Electricity is a....
A
Store
B
Transfer
Slide 37 - Quizvraag
Kinetic is a....
A
Store
B
Transfer
Slide 38 - Quizvraag
Sort the keywords into stores or transfers.
Store
Transfer
Force
Thermal
Kinetic
Light
Sound
Gravitational
Heating
Elastic
Chemical
Electricity
Slide 39 - Sleepvraag
How many examples of stores and transfers can you find?
Slide 40 - Open vraag
Slide 41 - Tekstslide
Slide 42 - Tekstslide
As the pendulum swings towards the ground, what happens to the amount of gravitational potential energy (GPE)?
A
It increases
B
It decreases
Slide 43 - Quizvraag
As the pendulum swings towards the ground, what happens to the amount of kinetic energy?
A
It increases
B
It decreases
Slide 44 - Quizvraag
How is the energy transferred from the gravitational store to the kinetic store?
A
Heating
B
Wave
C
Force
D
Electricity
Slide 45 - Quizvraag
A pendulum has 20 J of energy. 16 J is in the gravitational potential store, how much is in the kinetic store?
Slide 46 - Open vraag
In reality, a pendulum will not keep swinging forever. Why?
Slide 47 - Open vraag
Where does the energy we use in our homes come from?
Slide 48 - Open vraag
Name some energy resources.
Slide 49 - Open vraag
What is the difference between renewable and non-renewable?
Slide 50 - Open vraag
Slide 51 - Tekstslide
Tidal
Solar
Wind
Biomass
Waves
Hydroelectric
Geothermal
Slide 52 - Sleepvraag
Slide 53 - Tekstslide
Slide 54 - Tekstslide
Why might we choose to use fossil fuels as an energy resource?
Slide 55 - Open vraag
Why might we NOT choose to use fossil fuels as an energy resource?
Slide 56 - Open vraag
Slide 57 - Tekstslide
Slide 58 - Tekstslide
Why might we choose to use renewable energy resources?
Slide 59 - Open vraag
Why might we choose NOT to use renewable energy resources?
Slide 60 - Open vraag
Slide 61 - Tekstslide
Non-renewable
Renewable
Solar
Wind
Nuclear
Geothermal
Oil
Tidal
Gas
Coal
Hydroelectric
Biomass
Wave
Slide 62 - Sleepvraag
Match the resource to the energy store it uses.
Geothermal
Hydroelectric
Fossil fuels
Wind
Solar
Biomass
Tidal/Wave
Slide 63 - Sleepvraag
Which of these is NOT a fossil fuel resource?
A
Oil
B
Gas
C
Solar
D
Coal
Slide 64 - Quizvraag
Which of these is NOT a renewable energy resource?
A
Tidal
B
Geothermal
C
Nuclear
D
Hydroelectric
Slide 65 - Quizvraag
Which type of energy still involves burning a fuel, but not a fossil fuel?
A
Geothermal
B
Biomass
C
Hydroelectric
D
Nuclear
Slide 66 - Quizvraag
Which type(s) of energy might significantly effect the surrounding wildlife?
A
Hydroelectric
B
Solar
C
Geothermal
D
Wind
Slide 67 - Quizvraag
Tidal
Wind
Solar
Hydroelectricity
Slide 68 - Sleepvraag
Give an advantage of renewable energy resources.
Slide 69 - Open vraag
Give an advantage of non-renewable resources.
Slide 70 - Open vraag
Name 2 non-renewable energy resources.
Slide 71 - Open vraag
Slide 72 - Tekstslide
Slide 73 - Tekstslide
Slide 74 - Tekstslide
Slide 75 - Tekstslide
Slide 76 - Tekstslide
Slide 77 - Tekstslide
Slide 78 - Tekstslide
Suggest the effect of not putting enough coal in the furnace.
Slide 79 - Open vraag
Label the coal power station to show how it works.
Fossil fuel
Heat
Boiler
Spinning turbine
Spinning generator
Electric current
Carbon dioxide and other gases
Slide 80 - Sleepvraag
What is power?
Slide 81 - Open vraag
Slide 82 - Tekstslide
What is the unit of power?
A
Joules
B
Watts
C
Kilojoules
D
Newtons
Slide 83 - Quizvraag
How many watts in a kilowatt?
A
10
B
0.1
C
100
D
1000
Slide 84 - Quizvraag
How many watts in a 4 kilowatts?
A
40
B
0.4
C
400
D
4000
Slide 85 - Quizvraag
How many watts in a 0.5 kilowatts?
A
50
B
0.5
C
500
D
5000
Slide 86 - Quizvraag
A kettle transfers 100 J in 5 seconds. Calculate the power of the kettle.
A
20 W
B
500 W
C
0.05 W
D
50 W
