Read the definitions carefully and select the correct words.
1. a piece of equipment, especially electrical equipment, such as a cooker or washing machine, used in people’s homes
2. used to say that a particular choice would be more satisfactory
3. even better, harder etc than something else
4. if a battery charges, or if you charge it, it takes in and stores electricity
5. a piece of equipment used to put electricity into a battery
6. a substance used in chemistry or produced by a chemical process
7. the protection of natural things such as animals, plants, forests etc, to prevent them from being spoiled or destroyed
8. to protect something and prevent it from changing or being damaged
9. to use time, energy, goods etc
10. someone who buys and uses products and services
11. the amount of energy, oil, electricity etc that is used
12. when you get rid of something
13. to get rid of something
14. relating to the environment
15. connected with the way plants, animals, and people are related to each other and to their environment
16. the way in which plants, animals, and people are related to each other and to their environment, or the scientific study of this
17. making it possible to use less energy
18. to produce or cause something
19. something that you buy or do because it will be useful later
20. making it easier for you to do a particular job
21. a place where waste is buried under the ground
22. continuing for a long period of time, or relating to what will happen in the distant future
23. the period of time a few weeks or months ahead of the present
24. to carefully watch and check a situation in order to see how it changes over a period of time
25. one that you can put more electricity in and use again
26. an amount of money that you have not spent, or an amount of something that you have not used
27. making it possible to use less of the stated thing
28. continuing for only a short time, or relating only to the period that is not very far into the future
29. a piece of equipment, usually kept on a roof, that collects and uses the sun’s energy to heat water or make electricity
30. if a TV is on standby, it is connected to the power supply but is not in use
31. a particular type of solid, liquid, or gas
32. to change from doing or using one thing to doing or using another
33. containing poison, or caused by poisonous substances
34. a machine that uses hot air to dry clothes after they have been washed