P3.1 - Transferring Energy

Question 1

Biofuel

Answer 1

Liquid fuels produced from renewable biological sources, including plants and algae

Question 2

Chemical

Answer 2

Any substance that has a defined composition

Question 3

Conservation of energy

Answer 3

Energy is neither created nor destroyed

Question 4

Efficient

Answer 4

A measure of performance and effectiveness of a system or component

Question 5

Elastic potential

Answer 5

Energy stored as a result of applying a force to deform an elastic object

Question 6

Electrostatic

Answer 6

The attractive or repulsive force between two electrically charged objects

Question 7

Energy density

Answer 7

The amount of energy stored by the material per unit volume

Question 8

Fossil fuel

Answer 8

Materials such as coal, oil, and natural gas, formed naturally in the Earth’s crust from the remains of dead plants

Question 9

Geothermal energy

Answer 9

Energy stored in the form of heat beneath the surface of the solid earth

Question 10

Joule

Answer 10

The unit used to measure energy or work

Question 11

Kilowatt-hour

Answer 11

A measure of electrical energy equivalent to a power consumption of one thousand watts for one hour

Question 12

Solar

Answer 12

Relating to or determined by the sun

Question 13

Tidal

Answer 13

Relating to or affected by tides

Question 14

Watt

Answer 14

Equivalent to one joule per second