Y7 Energy Revision
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Lesduur is: 35 minOnderdelen in deze les
Slide 1 - Tekstslide
What do you already know about energy?
Slide 2 - Woordweb
What do humans use their energy for?
Slide 3 - Open vraag
Where do humans get their energy from?
Slide 4 - Open vraag
Slide 5 - Tekstslide
What is the unit of energy?
A
Joules
B
Watts
C
Seconds
D
Newtons
Slide 6 - Quizvraag
How many joules in 1 kilojoule?
A
0.1
B
1000
C
100
D
10
Slide 7 - Quizvraag
How many kJ are there in 4000J?
A
400000
B
0.4
C
40
D
4
Slide 8 - Quizvraag
If a person eats 12000 J of food and uses 8500 J what will happen to that person?
Slide 9 - Open vraag
Name an energy store.
Slide 10 - Open vraag
Slide 11 - Tekstslide
Slide 12 - Tekstslide
Name 3 things in this room that have a thermal energy store.
Slide 13 - Open vraag
Slide 14 - Tekstslide
Name 3 things in this room that have a kinetic energy store.
Slide 15 - Open vraag
Slide 16 - Tekstslide
Name 3 things in this room that have a chemical energy store.
Slide 17 - Open vraag
Slide 18 - Tekstslide
Name 3 things in this room that have a gravitational potential energy store.
Slide 19 - Open vraag
Slide 20 - Tekstslide
Name 3 things in this room that have an elastic potential energy store.
Slide 21 - Open vraag
A bonfire has a large ............... energy store.
A
Kinetic
B
Thermal
C
Chemical
D
Elastic potential
Slide 22 - Quizvraag
A racing formula one car has a large ............... energy store.
A
Kinetic
B
Thermal
C
Chemical
D
Gravitational potential
Slide 23 - Quizvraag
A flying bird has a large ............... energy store.
A
Kinetic
B
Thermal
C
Chemical
D
Gravitational potential
Slide 24 - Quizvraag
A stress ball has a large ............... energy store.
A
Elastic potential
B
Thermal
C
Chemical
D
Gravitational potential
Slide 25 - Quizvraag
A bag of sweets has a large ............... energy store.
A
Elastic potential
B
Thermal
C
Chemical
D
Gravitational potential
Slide 26 - 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 27 - Sleepvraag
Slide 28 - Tekstslide
Slide 29 - Tekstslide
Label the energy store that is being transferred from and to.
Thermal
Kinetic
Chemical
Gravitational potential
Elastic potential
Slide 30 - Sleepvraag
Label the energy store that is being transferred from and to.
Thermal
Kinetic
Chemical
Gravitational potential
Elastic potential
Slide 31 - Sleepvraag
Label the energy store that is being transferred from and to.
Thermal
Kinetic
Chemical
Gravitational potential
Elastic potential
Slide 32 - Sleepvraag
Slide 33 - 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 34 - 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 35 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 36 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 37 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 38 - Sleepvraag
Complete the sentence.
Thermal
Chemical
Kinetic
Elastic
Gravitational
Heating
Sound
Light
Electricity
Force
Slide 39 - Sleepvraag
Challenge: Describe the energy stores in a hairdryer. How is energy transferred to and from the hairdryer?
Slide 40 - Open vraag
Thermal is a....
A
Store
B
Transfer
Slide 41 - Quizvraag
Heating is a....
A
Store
B
Transfer
Slide 42 - Quizvraag
Electricity is a....
A
Store
B
Transfer
Slide 43 - Quizvraag
Kinetic is a....
A
Store
B
Transfer
Slide 44 - Quizvraag
Sort the keywords into stores or transfers.
Store
Transfer
Force
Thermal
Kinetic
Light
Sound
Gravitational
Heating
Elastic
Chemical
Electricity
Slide 45 - Sleepvraag
How many examples of stores and transfers can you find?
Slide 46 - Open vraag
Slide 47 - Tekstslide
Slide 48 - Video
Slide 49 - 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 50 - Quizvraag
As the pendulum swings towards the ground, what happens to the amount of kinetic energy?
A
It increases
B
It decreases
Slide 51 - Quizvraag
How is the energy transferred from the gravitational store to the kinetic store?
A
Heating
B
Wave
C
Force
D
Electricity
Slide 52 - Quizvraag
A pendulum has 20 J of energy. 16 J is in the gravitational potential store, how much is in the kinetic store?
Slide 53 - Open vraag
In reality, a pendulum will not keep swinging forever. Why?
Slide 54 - Open vraag
Where does the energy we use in our homes come from?
Slide 55 - Open vraag
Name some energy resources.
Slide 56 - Open vraag
What is the difference between renewable and non-renewable?
Slide 57 - Open vraag
Slide 58 - Tekstslide
Slide 59 - Tekstslide
Why might we choose to use fossil fuels as an energy resource?
Slide 60 - Open vraag
Why might we NOT choose to use fossil fuels as an energy resource?
Slide 61 - Open vraag
Slide 62 - Tekstslide
Slide 63 - Tekstslide
Why might we choose to use renewable energy resources?
Slide 64 - Open vraag
Why might we choose NOT to use renewable energy resources?
Slide 65 - Open vraag
Slide 66 - Tekstslide
Non-renewable
Renewable
Solar
Wind
Nuclear
Geothermal
Oil
Tidal
Gas
Coal
Hydroelectric
Biomass
Wave
Slide 67 - Sleepvraag
Match the resource to the energy store it uses.
Geothermal
Hydroelectric
Fossil fuels
Wind
Solar
Biomass
Tidal/Wave
Slide 68 - Sleepvraag
Which of these is NOT a fossil fuel resource?
A
Oil
B
Gas
C
Solar
D
Coal
Slide 69 - Quizvraag
Which of these is NOT a renewable energy resource?
A
Tidal
B
Geothermal
C
Nuclear
D
Hydroelectric
Slide 70 - Quizvraag
Give an advantage of renewable energy resources.
Slide 71 - Open vraag
Give an advantage of non-renewable resources.
Slide 72 - Open vraag
Name 2 non-renewable energy resources.
Slide 73 - Open vraag
Slide 74 - Tekstslide
Slide 75 - Tekstslide
Slide 76 - Tekstslide
Slide 77 - Tekstslide
Slide 78 - Tekstslide
Slide 79 - Tekstslide
Slide 80 - Tekstslide
Slide 81 - Tekstslide
Slide 82 - Tekstslide
Suggest the effect of not putting enough coal in the furnace.
Slide 83 - 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 84 - Sleepvraag
What is power?
Slide 85 - Open vraag
Slide 86 - Tekstslide
What is the unit of power?
A
Joules
B
Watts
C
Kilojoules
D
Newtons
Slide 87 - Quizvraag
How many watts in a kilowatt?
A
10
B
0.1
C
100
D
1000
Slide 88 - Quizvraag
How many watts in a 4 kilowatts?
A
40
B
0.4
C
400
D
4000
Slide 89 - Quizvraag
How many watts in a 0.5 kilowatts?
A
50
B
0.5
C
500
D
5000
Slide 90 - 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
