Year 4 - Electricity

Electricity is....

• a form of energy

• only in batteries

• a gas

All appliances need batteries to work.

• true - only batteries

• false - sometimes they use mains electricity

A circuit is ....

• when you get fit

• a loop that allows electricity to flow through the wires

• when electricity is in the air

A cell is another name for....

• a bulb

• a battery

• a wire

• a source of light

A switch can...

• swap things over

• break or reconnect a circuit

• increase the flow of electricity

An electricial conductor...

• stops electricity flowing

• allows electricity to pass through

• turns the switch on

An insulator...

• stops electricity or heat from passing through

• allows electricity to pass through

• keeps things warm

These circuits .....

• will not work because they are incomplete

• will work because they are complete

• allow electricity to flow though

This circuit....

• will work because it is complete

• will not work because it is incomplete

• needs extra components to make it work

Why will this circuit not work?

• It will work because it has a cell.

• It won't work because it does not have a switch.

• It won't work because the battery is only connected at the positive end.