Question 1

Which type of energy store is between two separated magnets that are attracting/repelling?

Accepted Answer

Magnetic

Answer

Gravitational

Answer

Thermal

Answer

Electrostatic

Question 2

Which type of energy store does an object have due to the position of an object in a gravitational field?

Accepted Answer

Gravitational

Answer

Elastic

Answer

Nuclear

Answer

Kinetic

Question 3

Which type of energy store does an object have if it is moving?

Accepted Answer

Kinetic

Answer

Elastic

Answer

Nuclear

Answer

Gravitational

Question 4

Which type of energy store does an object have if it is being stretched or compressed?

Accepted Answer

Elastic

Answer

Nuclear

Answer

Gravitational

Answer

Thermal

Question 5

Which type of energy store is contained within a warm object?

Accepted Answer

Thermal

Answer

Gravitational

Answer

Magnetic

Answer

Electrostatic

Question 6

Which type of energy store is between two separated electric charges that are attracting/repelling?

Accepted Answer

Electrostatic

Answer

Thermal

Answer

Magnetic

Answer

Gravitational

Question 7

What happens when a system changes?

Accepted Answer

There will be a change in the energy is stored.

Answer

There will be an increase or decrease in energy.

Question 8

What is the unit for energy?

Accepted Answer

Joules

Answer

Newtons

Question 9

Which is an energy transfer?

Accepted Answer

Mechanically (through force), Electrically, heating and radiation

Answer

Thermal, electrostatic and magnetic

Answer

Chemical, kinetic, gravitational potential

Question 10

Which type of energy is held within bonds and is transferred when bonds are broken or made e.g. food, fuel and batteries?

Accepted Answer

Chemical

Answer

Kinetic

Answer

Electrostatic

Answer

Thermal

Question 11

State what energy transfer diagrams show

Accepted Answer

where energy is transferred to and from and the type of energy trasnfer

Answer

where energy is created to and from and the type of energy transfer

Question 12

Which type of transfer is due to waves such as light and sound?

Accepted Answer

radiation

Answer

heating

Answer

electrically

Answer

mechanically

Question 13

Which type of transfer involves a force moving through a distance?

Accepted Answer

mechanically

Answer

radiation

Answer

heating

Answer

electrically

Question 14

Which type of transfer is due to a temperature difference?

Accepted Answer

heating

Answer

mechanically

Answer

electrically

Answer

radiation

Question 15

Which type of transfer is due to a charge moving through a potential difference?

Accepted Answer

electrically

Answer

heating

Answer

radiation

Answer

mechanically

Question 16

What is the law of conservation of energy?

Accepted Answer

Energy cannot be created or destroyed, only transferred

Answer

Energy can be created or destroyed, only transferred

Question 17

Which is the energy transfer which we don't want to occur?

Accepted Answer

Wasted - energy spreads out to surroundings and can't be used by us

Answer

Useful

Question 18

Which is the energy transfer which we want to occur?

Accepted Answer

Useful

Answer

Wasted

Question 19

where is input energy on snaky diagram?

Accepted Answer

on the left

Answer

on the bottom

Answer

on the right

Question 20

where is useful energy on snaky diagram?

Accepted Answer

on the right

Answer

on the left

Question 21

where is wasteful energy on snaky diagram?

Accepted Answer

on the bottom

Answer

on the left

Answer

on the right

Question 22

What is efficiency?

Accepted Answer

A measure of the amount of energy that is usefully transferred.

Answer

A measure of the amount of energy that is wastefully transferred.

Question 23

Efficiency =

Accepted Answer

useful energy output / total energy input

Answer

useful energy output x total energy input

Question 24

Name two ways efficiency can be written

Accepted Answer

A decimal or a percentage ( x 100)

Answer

A decimal or a percentage ( / 100)

Question 25

Name the energy transferred to the surroundings

Accepted Answer

Dissipated - spread out to the surroundings

Answer

Differentiated - spread out to the surroundings

Question 26

Radiation

Accepted Answer

As waves, NOT particles (unlike convection and conduction)

Answer

The transfer of thermal energy through a substance by the vibration of particles

Answer

is the transfer of thermal energy from hot to cold places by the rise of particles in a fluid.

Question 27

Conduction

Accepted Answer

The transfer of thermal energy through a substance by the vibration of particles

Answer

As waves, NOT particles (unlike convection and conduction)

Answer

Convection is the transfer of thermal energy from hot to cold places by the rise of particles in a fluid.

Question 28

Convection

Accepted Answer

is the transfer of thermal energy from hot to cold places by the rise of particles in a fluid.

Answer

As waves, NOT particles (unlike convection and conduction)

Answer

The transfer of thermal energy through a substance by the vibration of particles

Question 29

which state does convection occur in?

Accepted Answer

Liquids and gases

Answer

Solid

Question 30

which state does conduction occur in?

Accepted Answer

Solid

Answer

Liquids and gases

Question 31

An insulator

Accepted Answer

is a material which does not allow heat through it easily

Answer

is a material which allows heat through it easily

Question 32

A conductor

Accepted Answer

is a material which allows heat through it easily

Answer

is a material which does not allow heat through it easily

Question 33

What is the control variable in an experiment?

Accepted Answer

The variable you keep the same

Answer

The variable you change

Answer

The variable you measure

Question 34

What is the independent variable in an experiment?

Accepted Answer

The variable you change

Answer

The variable you keep the same

Answer

The variable you measure

Question 35

What is the dependent variable in an experiment?

Accepted Answer

The variable you measure

Answer

The variable you change

Answer

The variable you keep the same

Question 36

Examples of renewable energy resources

Accepted Answer

Solar, wind, waves, hydroelectric, geothermal, biomass and tidal

Answer

The remains of dead plants and animals

Answer

Crude oil, coal, natural gas

Question 37

Define renewable energy

Accepted Answer

An energy resource which will never run out

Answer

Crude oil, coal, natural gas

Answer

An energy resource which cannot be replaced and will eventually run out

Answer

The remains of dead plants and animals

Question 38

Define non renewable energy

Accepted Answer

An energy resource which cannot be replaced and will eventually run out

Answer

The remains of dead plants and animals

Answer

Crude oil, coal, natural gas

Answer

An energy resource which will never run out

Question 39

3 examples of fossil fuels

Accepted Answer

Crude oil, coal, natural gas

Answer

Solar, wind, waves, hydroelectric, geothermal, biomass and tidal

Answer

The remains of dead plants and animals

Answer

An energy resource which will never run out

Question 40

What are fossil fuels made from?

Accepted Answer

The remains of dead plants and animals

Answer

Solar, wind, waves, hydroelectric, geothermal, biomass and tidal

Answer

Crude oil, coal, natural gas

Question 41

What is a disadvantage to wind and tidal power?

Accepted Answer

Ruins landscape / harms wildlife, not reliable

Answer

Takes up a lot of space

Question 42

What are the advantages to using fossil fuel?

Accepted Answer

Infrastructure already in place to use the fuel so no set up costs

Answer

Not reliable

Answer

Produces carbon dioxide, will run out

Answer

Does not produce carbon dioxide, will not run out and free to obtain

Question 43

What are the disadvantages to using fossil fuel?

Accepted Answer

Produces carbon dioxide, will run out

Answer

Does not produce carbon dioxide, will not run out and free to obtain

Answer

Not reliable

Question 44

What are the advantages of using renewable resources such as wind, solar and tidal power?

Accepted Answer

Does not produce carbon dioxide, will not run out and free to obtain

Answer

Takes up a lot of space

Answer

Not reliable

Answer

Ruins landscape / harms wildlife

Question 45

What is not a disadvantage to solar power?

Accepted Answer

Ruins landscape / harms wildlife

Answer

Not reliable

Answer

Takes up a lot of space

Question 46

What is power?

Accepted Answer

How quickly energy is transferred by a device

Answer

How much power a device contains

Question 47

What is the unit for power?

Accepted Answer

Watt (W)

Answer

Joules (J)

Question 48

What is work done?

Accepted Answer

Energy transferred

Answer

Energy transformed

Question 49

Power =

Accepted Answer

Energy transferred (J) / time (s)

Answer

Energy transferred (J) x time (s)

Question 50

Power =

Accepted Answer

work done / time

Answer

work done x time

Question 51

Cost =

Accepted Answer

power (kw) x time (hours) x price (kWh)

Answer

power (kw) x time (hours) / price (kWh)

Question 52

How to convert watts into kilowatts?

Accepted Answer

Divide by 1000

Answer

Multiply by 1000

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