wood - It comes from trees. People burn it for heating and cooking., gas - It comes from under the ground. It can be used in cookers., solar power - It comes from the sun. It's an ecological source of energy., coal - It comes from under the ground. It's black and hard. We use it for heating and making electricitu., oil - It comes from under the ground. It's black and liquid., scientist - It's a person who works in a laboratory., laboratory - It's where a scientist does his experiments., electricity - A TV, a fridge and a washing machine need it to work., discovery - It's when a scientist finds out about something and describes it for the first time in history., wind power - It's a source of energy that comes from wind., nuclear power - It's energy that comes from atoms. , sources of energy - Everything that is used to produce energy.,

TNW Science and technology

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