Electricity

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Friction between objects results in transfer of between them.

When a charged body touches another body, can be transferred from one body to another.

is a process of charging an uncharged body by bringing a charged body near to it but not touching it.

is an instrument used to detect and measure electric charges.

is the process of connecting the exposed metal parts of an electrical circuit to the ground.

is a device used to protect buildings from the effects of lightning.

The decomposition of molecules of a solution into positive and negative ions on passing an electric current through it is called .

A is a strip of alloy wire which is made of lead and tin with a very low melting point.