7I Energy

Question 1

Energy

Answer 1

Needed to live, helps us to grow and repair our bodies, move and keep warm. Food is a source of energy.

Question 2

Joule

Answer 2

A unit for measuring energy.

Question 3

Weight

Answer 3

The amount of force with which gravity pulls things- measured in Newtons (N).

Question 4

Forces

Answer 4

A push, pull or twist and a type of energy transfer.

Question 5

Electricity

Answer 5

A way of transferring energy through wires.

Question 6

Chemical Energy

Answer 6

Energy stored in chemicals (such as food, fuel and batteries).

Question 6

A fossil fuel made from the remains of plants.

Answer 6

Coal

Question 7

Fuel

Answer 7

A substance that contains a store of chemical or nuclear energy that can easily be transferred.

Question 8

A fossil fuel made from the remains of microscopic dead plants and animals that lived in the sea.

Answer 8

Oil

Question 9

Renewable

Answer 9

An energy resource that will never run out (such as solar power)

Question 10

Photosynthesis

Answer 10

Carbon dioxide + water → glucose + oxygen