Topic 4

Question 1

What would chemical energy be in a steam turbine

Answer 1

Fuel

Question 2

Heat energy in a steam turbine will be

Answer 2

Furnace

Question 3

Kinetic energy in steam turbine is

Answer 3

Turbine

Question 4

What energy would the generator be in the steam turbine

Answer 4

Electric

Question 5

Non renewable energy sources

Answer 5

Will eventually run out

Question 6

Nuclear non renewable energy sources

Answer 6

Uranium

Question 7

Fossil fuel non renewable energy sources

Answer 7

Coal oil gas peat

Question 8

Renewable energy sources

Answer 8

Energy sources which won’t run out or are replaceable

Question 9

Eg of renewable energy sources

Answer 9

Solar, wind, tidal geothermal bio mass

Question 10

What is a atom made of

Answer 10

Protons neutrons and electrons

Question 11

What is nuclear fission

Answer 11

When a large nucleus absorbs a neutron which becomes unstable and splits nucleus into 2 smaller nuclei

Question 12

What is a chain reaction in fisssion

Answer 12

The neutrons produced hit other uranium and causes more fission reactions

Question 13

What is nuclear fission used for

Answer 13

Used in nuclear power stations to generate heat and produce steam to make electricity

Question 14

What are nuclear power stations fuelled by

Answer 14

Uranium

Question 15

What are control rods

Answer 15

Control rate of fission by absorbing excess neutrons

Question 16

What is nuclear fusion

Answer 16

Process of 2 nuclei combine to form a larger mass number nucleus

Question 17

Nuclear fusion eg

Answer 17

Hydrogen(smaller) join to make helium(bigger)

Question 18

What is the main nuclear process in the sun

Answer 18

Nuclear fusion

Question 19

2 different nuclear process

Answer 19

Fusion and fission

Question 20

Which nuclear process produces more nuclear waste and is more difficult to manage

Answer 20

Fission

Question 21

How is fission used to make nuclear bomb

Answer 21

When fission fuel is used in an uncontrolled way to cause an explosion

Question 22

How is fusion used to make nuclear bomb

Answer 22

When fusion fuel is heated to very high temp causes an explosion

Question 23

What is Einstein’s equation and what does it stand for

Answer 23

E=Mc2 which means energy= mass x speed of light squared

Question 24

What does Einstein’s equation basically mean

Answer 24

Little bit of mass creates vast amounts of energy

Question 25

Energy resources examples

Answer 25

Oil gas nuclear coal wind solar biomass hydroelectric and tidal

Question 26

Renewable resources are

Answer 26

Energy resources which can be replaced quickly eg (growing trees for biomass) or are inexhaustible like sun wind and tides

Question 27

Non renewable resources eg

Answer 27

Energy sources which will run out Once used can’t make more

Question 28

Non renewable fossil fuels eg

Answer 28

Oil coal and gas

Question 29

Nuclear fuel eg for non renewable resources

Answer 29

Uranium

Question 30

What type of energy is in petrol

Answer 30

Chemical

Question 31

Kinetic —>

Answer 31

Sound + heat/thermal

Question 32

Energy going in and energy going out of microphone

Answer 32

Sound in electricity out

Question 33

What energy would be on a stretched catapult first of all

Answer 33

Elastic and then changed to kinetic