Question 1

Conservation of energy

Accepted Answer

Energy cannot be created or destroyed it can be transferred

Answer

Energy can be created or destroyed it can't be transferred

Question 2

Units for energy

Accepted Answer

Joules

Answer

Kilograms

Answer

Newtons

Question 3

Energy transfers

Accepted Answer

mechanically, electrically, heating, radiation

Answer

chemical, kinetic, gravitational, elastic, thermal, magnetic, electrostatic and nuclear

Question 4

Stores of energy

Accepted Answer

chemical, kinetic, gravitational, elastic, thermal, magnetic, electrostatic and nuclear

Answer

mechanically, electrically, heating, radiation

Question 5

Closed System

Accepted Answer

a system in which energy cannot be transferred to and from the environment

Answer

An object or group of objects

Answer

A wave or group of waves

Answer

a system in which energy can be transferred to and from the environment

Question 6

System

Accepted Answer

An object or group of objects

Answer

a system in which energy can be transferred to and from the environment

Answer

a system in which energy cannot be transferred to and from the environment

Answer

A wave or group of waves

Question 7

Open System

Accepted Answer

a system in which energy can be transferred to and from the environment

Answer

a system in which energy cannot be transferred to and from the environment

Answer

An object or group of objects

Answer

A wave or group of waves

Question 8

How is energy commonly dissipated (wasted) to the environment

Accepted Answer

by heating or radiating

Answer

light or sound

Question 9

Is dissipated energy useful or wasted

Accepted Answer

wasted

Answer

useful

Question 10

how to reduce dissipation in an open system

Accepted Answer

lubrication and thermal insulation

Answer

close it

Question 11

radiation

Accepted Answer

the transfer of heat using waves

Answer

the movement of heat through fluids (gases and liquids) the hot fluid becomes less dense and rises (expands) the cooler fluid drops forming currents

Answer

the movement of heat through a solid, particles vibrate and collide with neighbouring particles passing on energy

Question 12

conduction

Accepted Answer

the movement of heat through a solid, particles vibrate and collide with neighbouring particles passing on energy

Answer

the transfer of heat using waves

Answer

the movement of heat through fluids (gases and liquids) the hot fluid becomes less dense and rises (expands) the cooler fluid drops forming currents

Question 13

convection

Accepted Answer

the movement of heat through fluids (gases and liquids) the hot fluid becomes less dense and rises (expands) the cooler fluid drops forming currents

Answer

the movement of heat through a solid, particles vibrate and collide with neighbouring particles passing on energy

Answer

the transfer of heat using waves

Question 14

Why do we want to reduce the amount of energy wasted?

Accepted Answer

To save money and reduce wasted energy

Answer

because we want to

Question 15

what factors increase the rate of thermal energy loss from a house?

Accepted Answer

larger temperature difference between in and out, the walls have a larger area, the walls are made of a material which is a thermal conductor, the walls are thin, the walls don't contain insulation

Answer

smaller temperature difference between in and out, the walls have a smaller area, the walls are made of a material which is a thermal insulator, the walls are thick, the walls don't contain conduction

Question 16

dependent variable

Accepted Answer

the variable which is measured

Answer

the variable which is changed by the investigator

Answer

factors which are kept the same to prevent errors

Question 17

independent variable

Accepted Answer

the variable which is changed by the investigator

Answer

the variable which is measured

Answer

factors which are kept the same to prevent errors

Question 18

control variable

Accepted Answer

factors which are kept the same to prevent errors

Answer

the variable which is changed by the investigator

Answer

the variable which is measured

Question 19

non renewable resource

Accepted Answer

one that cannot be replenished once it has been used

Answer

a store of energy which can be used to generate electricity

Question 20

energy resource

Accepted Answer

a store of energy which can be used to generate electricity

Answer

one that cannot be replenished once it has been used

Question 21

finite

Accepted Answer

resource that will run out

Answer

resource that will not run out

Question 22

renewable resources

Accepted Answer

wind, biofuel, geothermal, water waves, tidal, solar

Answer

fossil fuels (coal, crude oil, natural gas) and nuclear fuel

Question 23

non renewable resources

Accepted Answer

fossil fuels (coal, crude oil, natural gas) and nuclear fuel

Answer

wind, biofuel, geothermal, water waves

Question 24

what gas is produced in the combustion of fossil fuels

Accepted Answer

carbon dioxide water vapour

Answer

carbon

Question 25

tidal power

Accepted Answer

the movement of water during tides generates electricity

Answer

moving water from waves generates electricity

Answer

falling water generates electricity in a dam

Answer

sunlight energy is converted into electrical energy

Question 26

biofuel

Accepted Answer

burning fuels made from plants

Answer

hot underground rocks used to heat water which generates electricity

Answer

moving water from waves generates electricity

Answer

wind spins a turbine which generates electricity

Question 27

hydroelectricity

Accepted Answer

falling water generates electricity in a dam

Answer

moving water from waves generates electricity

Answer

the movement of water during tides generates electricity

Answer

sunlight energy is converted into electrical energy

Question 28

wave power

Accepted Answer

moving water from waves generates electricity

Answer

the movement of water during tides generates electricity

Answer

sunlight energy is converted into electrical energy

Answer

falling water generates electricity in a dam

Question 29

solar power

Accepted Answer

sunlight energy is converted into electrical energy

Answer

moving water from waves generates electricity

Answer

the movement of water during tides generates electricity

Answer

falling water generates electricity in a dam

Question 30

geothermal energy

Accepted Answer

hot underground rocks used to heat water which generates electricity

Answer

burning fuels made from plants

Answer

moving water from waves generates electricity

Answer

wind spins a turbine which generates electricity

Question 31

wind power

Accepted Answer

wind spins a turbine which generates electricity

Answer

burning fuels made from plants

Answer

hot underground rocks used to heat water which generates electricity

Answer

moving water from waves generates electricity

Question 32

political considerations

Accepted Answer

how this resource affects our relationship with other countries or a political party's popularity

Answer

how this resource affects the environment, plants, animals etc

Question 33

environmental considerations

Accepted Answer

how this resource affects the environment, plants, animals etc

Answer

how this resource affects our relationship with other countries or a political party's popularity

Question 34

ethical considerations

Accepted Answer

whether the use of this resource is morally right or wrong

Answer

how this resource affects the economy and businesses

Answer

how this resource affects people near its production source

Question 35

economical considerations

Accepted Answer

how this resource affects the economy and businesses

Answer

whether the use of this resource is morally right or wrong

Answer

how this resource affects people near its production source

Question 36

social considerations

Accepted Answer

how this resource affects people near its production source

Answer

whether the use of this resource is morally right or wrong

Answer

how this resource affects the economy and businesses

Question 37

state when energy is transferred to the gravitational potential energy store of an object

Accepted Answer

energy is transferred to the GPE store when an object is lifted above the ground

Answer

energy is transferred to the GPE store when an object is thrown underthe ground

Question 38

Elastic potential energy

Accepted Answer

spring constant x 0.5 x extension squared

Answer

mass x velocity squared x 0.5

Answer

mass x gravitational field strength x height

Question 39

Gravitational potential energy

Accepted Answer

mass x gravitational field strength x height

Answer

spring constant x 0.5 x extension squared

Answer

mass x velocity squared x 0.5

Question 40

Kinetic energy

Accepted Answer

mass x velocity squared x 0.5

Answer

spring constant x 0.5 x extension squared

Answer

mass x gravitational field strength x height

Question 41

Work done

Accepted Answer

force x distance

Answer

mass x velocity squared x 0.5

Answer

spring constant x 0.5 x extension squared

Answer

mass x gravitational field strength x height

Question 42

two types of work

Accepted Answer

mechanical work and electrical work

Answer

newton metre

Answer

work done / time

Answer

force x distance

Question 43

power

Accepted Answer

the rate at which energy is transferred

Answer

newton metre

Answer

mechanical work and electrical work

Answer

force x distance

Question 44

power

Accepted Answer

work done / time

Answer

force x distance

Answer

mechanical work and electrical work

Answer

newton metre

Question 45

the Electromagnetic spectrum in order from longest wavelength to shortest

Accepted Answer

Radiowaves, microwaves, infrared, visible light, ultraviolet, X ray and Gamma rays

Answer

Radiowaves, microwaves, infrared, visible light, ultraviolet, Gamma rays and X rays

Question 46

highest energy and frequency

Accepted Answer

gamma rays

Answer

radiowaves

Question 47

longest wavelength

Accepted Answer

radiowaves

Answer

gamma rays

Question 48

wavespeed is measured in

Accepted Answer

Metres per second

Answer

Hertz

Answer

Metres

Question 49

frequency is measured in

Accepted Answer

Hertz

Answer

Metres per second

Answer

Metres

Question 50

wavelength is measured in

Accepted Answer

Metres

Answer

Metres per second

Answer

Hertz

Question 51

what happens when the resultant force on an object is not 0N?

Accepted Answer

stretched, compressed, changes direction, accelerates and decelerates

Answer

remains stationary or moving at a constant speed

Question 52

what happens when the resultant force on an object is 0N?

Accepted Answer

remains stationary or moving at a constant speed

Answer

stretched, compressed, changes direction, accelerates and decelerates

Question 53

Mass

Accepted Answer

the matter that makes up the object

Answer

the force of gravity on an object

Question 54

Weight

Accepted Answer

the force of gravity on an object

Answer

the matter that makes up the object

Question 55

Weight =

Accepted Answer

mass x 9.8

Answer

mass / 9.8

Question 56

Non Contact forces

Accepted Answer

gravity, magnetism, electrostatic

Answer

friction, air resistance, push, pull

Question 57

Contact forces

Accepted Answer

friction, air resistance, push, pull

Answer

gravity, magnetism, electrostatic

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