***

a source of energy that we use to work lights and many machines

to happen, or affect people, with force

The fire alarm (rang / was ringing ) while I (did/ was doing) a science experiment.

I (did/was doing) my homework last night when I (lost/ was losing) all my work.

equipment that makes a building warm

a large machine that you use to cook food

electricity

something bad that happens that often hurts you

They (watched/ were watching ) TV while their mom (was cooking / cooked) dinner.

to practice a piece of music, a play, ect, before you perform it in front of people

a form of transport that takes people to hospital

feeling uncomfortable and a little stupid