Match the words with the definitions.

Write the number of the definition near the word.

To reuse [ ]

Energy [ ]

An amount [ ]

To replace [ ]

1. A quantity of something; also a sum of money.

2. To find a new use for something so that it does not have to be thrown away.

3. The power that comes from electricity, gas, etc.

4. To provide a substitute for something, or to start to be used instead of something.