Important Words

Question 1

Electric Circuit

Answer 1

System for transferring energy from one place to another.

Question 2

Cell

Answer 2

A source of electrical energy that stores and then supplies energy to a circuit.

Question 3

Battery

Answer 3

Two or more cells connected to provide electrical energy.

Question 4

Components

Answer 4

Parts of an electric circuit.

Question 5

Circuit diagram

Answer 5

Diagram of an electric circuit, drawn using standard symbols for electric components.

Question 6

Electrical conductor

Answer 6

A material that electricity can go through.

Question 7

Insulators

Answer 7

A material through which an electrical current is not able to travel.

Question 8

Transfer

Answer 8

A process by which energy goes from one part of a system to another.

Question 9

Fossil fuels

Answer 9

The remains of dead plants and animals that store energy from the Sun from millions of years ago.

Question 10

Non -Renewable resources

Answer 10

Resources such as coal that cannot be replaced when they are used up.

Question 11

Renewable energy resources

Answer 11

Energy sources that cannot be used up.

Question 12

Non-renewable energy sources

Answer 12

that will eventually be used up.

Question 13

Hydro- electric

Answer 13

Generating electricity using water-power.

Question 14

Solar panels

Answer 14

A panels made up of a number of photovoltaic cells.

Question 15

Photovoltaic cells

Answer 15

Devices that convert energy from the Sun into electricity.

Question 16

Sun

Answer 16

The biggest star in oir Solar system.

Question 17

Solar system

Answer 17

The sun and all the travel around it.

Question 18

Planet

Answer 18

A large object that revolves around the sun.

Question 19

Orbit

Answer 19

The path of one object in space around another, such as the path of the Earth around the sun.

Question 20

Asteroid

Answer 20

Chunks of rock that travel around the sun

Question 21

Rotation

Answer 21

The turning movement of an object around its axis.

Question 22

Telescope

Answer 22

An instrument that magnifies distant objects and makes them seem closer.

Question 23

Bodies in space

Answer 23

All the plantes, stars, moons and other lumps of rock .

Question 24

Lens

Answer 24

A piece of glass that bends light.

Question 25

Image

Answer 25

Picture formed by light and focused on a screen.

Question 26

Focus

Answer 26

Where light meets a point.

Question 27

Magnifies

Answer 27

Makes bigger

Question 28

Magnifying glass

Answer 28

A hand held lens that magnifies small objects.

Question 29

Optical

Answer 29

Used by our eyes

Question 30

Radio waves

Answer 30

Invisible waves given off by bodies in space, similar but different to light waves.

Question 31

Spacecraft

Answer 31

A vehicle that moves through space.

Question 32

Rover

Answer 32

Vehicle designed to travel on planet’s in space.

Question 33

Astronaut

Answer 33

People who go into space

Question 34

Unmanned

Answer 34

Without people aboard to operate the spacecraft.

Question 35

Solar panels

Answer 35

Panels that absorb energy from the Sun.