science 4C - chapter 6

It is used to supply energy to the circuit.

Paper clips and nails allow electricity to pass through.

The boiled water is distilled water and contains no salts. It is called ... water.

When we dip the alumunium foil ends into the salt water, the bulb in a simple circuit will ..., so the salt water is good conductor.

A unit to measure the strength of electricity.

Be careful not to plug too many electrical devices into the same socket it can causes ...

It turns the electricity current on/off.

the bulb in the circuit will not light up. what should we do to make it on? we should .... the switch

If we add one more bulb, the bulb will shine more ...

If we add 2 more cells, what will happen to the bulb? it will be ... out.