Multi Choice Quiz
Ashfield Direct Learning
Roanne Walker
Ks4 Energy
Reflectors and Absorbers
I. Which surfaces emit more Radiation?
a) Dark Matt surfaces
b) Light shiny surfaces
c) Dark shiny surfaces
d) Light matt surfaces
Insulation
2. Which material is the best thermal insulator?
a) Aluminiumb) Woodc) Copperd) Zinc
Conduction
3. Where does conduction best occur?
a) Plastic
b) Wood
c) Metals
d) Air
Convection
4. Where does convection occur?
a) Liquids and Solids
b) Solids and gases
c) Liquids and gases
Wood/Biomass
5. What is Biomass?
a) Man-made material
b) Plant material
c) Animal material
d) Plant and animal material
Renewable Energy
6. Which of these is an example of renewable energy?
a) Coal
b) Hydro-electric
c) Oil
d) Gas
e) Nuclear Fuel
Radiation
7. What is Radiation?
a) Transfer of heat energy by the movement of the substance itself
b) Transfer of heat energy by waves
c) Transfer of heat energy without the substance itself moving
Power
8. If a toaster transfers 10,000J of electrical energy into heat in the 50 seconds it takes to toast two pieces of bread. The power would be;
a) 120W
b) 400W
c) 200W
d) 190W
e) 209W
Energy Transfers
9. How is energy transferred by a kettle?
a) Electrical energy –> Kinetic
b) Electrical energy –> Light
c) Electrical energy –> Heat
Gravitational Potential Energy
10.How do you know if an object has Gravitational Potential Energy?
a) It floats
b) It can fall
c) It stays still
Units of Electricity
11.What is a unit of energy?
a) Kilowatt-hour
b) Seconds
c) Kilowatt
Efficiency
12.What is the formula for calculating efficiency?
a) Wasted energy transferred by device
Total energy supply to device
b) Useful energy transferred by device
Total energy supplied to device
c) Mass x Gravity
Vacuum Flask
13.What is a Vacuum?
a) A lack of atoms
b) Too many atoms
c) The right amount of atoms
d) A thing to clean the house
Coal
14.How is coal formed?
a) Over millions of years from the remains of dead sea creatures
b) Over a few years from the remains of dead plants
c) Over millions of years from the remains of dead plants
d) It is just found underground
Oil
15.How is oil formed?
a) When dead sea creatures are crushed over hundreds of years
b) In the rocks below the seac) When dead plants are crushed over millions
of yearsd) When dead sea creatures are crushed over
millions of years
Nuclear
16.Why is it better for the environment that other non-renewable sources?
a) Because it does not produce SO2 and CO2
b) Because it produces H2O
c) Because it produces CO2
d) Because it does not take up much room
Geothermal
17.What is the water heated by in Geothermic reaction?
a) Decay of animals
b) Sun
c) Decay of radioactive substances
d) Heated rocks underground
Hydro-electric
18.Where is the water stored?
a) In power stations
b) In rivers
c) In the sea
d) In a reservoir
e) In a puddle
Solar
19.What energy do solar cells transfer?
a) Chemical Electrical
b) light Electrical
c) light Chemical
d) Electrical Kinetic
Wind
20.Why is Wind generated power unreliable?
a) It emits lots of greenhouse gases
b) The technology is not very good
c) Because the wind does not blow all the time
d) Because the tides change all the time
Answers
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Answers
11) A12) B13) A14) C15) D16) A17) C18) D19) B20) C
1) A2) B3) C4) C5) D6) B7) B8) C9) C10) B