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Electricity is very useful but can also be dangerous - so take care!

Energy - Electricity

This Science quiz is called 'Energy - Electricity' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is a fun way to learn if you are in the 1st or 2nd grade - aged 6 to 8.

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In school you will have learned about electricity, switches, batteries and bulbs. It is very useful. Electricity powers bulbs and keeps our lights on. It runs our televisions and computers, and makes our fridges work. Electricity can be turned on and off by switches. Some things need batteries to work. Batteries store energy. But the energy in batteries does run out. These questions are about using electricity.

Click on the pictures for a closer look.

This is a very simple electrical circuit. A wire goes from the battery to the bulb. Another wire goes from the bulb back to the battery.

What color is the battery?

Black

Brown

Red

Blue

The bulb lights up when the electricity can go all the way round the circuit

Look again at this simple electrical circuit. Where does the energy come from to make the bulb light up?

The bulb

The air

The battery

The wires

The electricity goes through the wires, but the energy comes from the battery

This is the third question about this simple electrical circuit.

Alice takes away one of the wires. What happens to the bulb?

The bulb stays on

The bulb blows up

The bulb does not light up

The bulb melts

What will happen if Alice puts the wire back again? - The bulb will light up again

The picture shows two light switches. Look at the switch on the left. The light will be:

Dim

Dull

Off

An I sign means ‘on’. An O sign means ‘off’

The same picture of two light switches. Look at the switch on the right. The light will be:

Dim

Dull

Off

So, one light is on, and one light is off

This is a battery. Batteries have two ends. The end at the top of this picture is called the plus (+) end. What is the other end of the battery called?

Plus (+)

Minus (-)

Earth

Electrical

Always put batteries in the right way round

Sam has a remote control car. It is powered by a battery. What happens if the battery is flat?

The car will go faster

The car will go slower

The car will not go

The car will spin

A flat battery has lost all its stored energy

Michael’s cell phone is not working. The battery has run out. What should Michael do?

Buy another phone

Throw his cell phone away

Recharge the battery

Give his cell phone to a friend

Cell phone batteries are very small, but they store energy - just like other batteries

Amy’s Mom is replacing an old light bulb. The new light bulb uses less energy. Why is this a good thing?

The new light bulb will cost less to run

The new light bulb is a funny shape

The new light bulb is a brighter color

The new light bulb will use more energy

Less energy means lower bills and it uses less electricity

10.

Lucy wants to watch a show on the telly. She presses the button on the remote control to turn on the television. But nothing happens. What is most probably wrong?