SECONDARY FIVE: LISTENING EXERCISE
NAME:
Preparation: Do the preparation exercise before you listen.
1. --
mites-- Very tiny creatures that live on plants or animals.
2. –atom--- The smallest part of a chemical element.
3. --bacteria--- The simplest and smallest forms of life. They live in air, water, soil, as well as in humans and
animals (dead or alive). They are often the cause of disease.
4. ---cell-- The smallest part of an animal or plant that can work independently. All plants and animals are
made of these.
Do this exercise while you listen. Highlight the best option to complete these sentences.
5. Only about one tenth of the cells in your body are ... a. alive. b. really you c. bacteria.
6. Bacteria are mostly ... a. really helpful b. bad for humans c. neither good or bad.
7. Animals need bacteria to ... a. fight diseases b. provide energy c. digest food.
8. You have ... cells in your body. a. 7 b. 7 c. 7 octillion
9. Most of the atoms are ... a. tiny cubes b. not used c. empty space.
10. You probably have mites in your ... a. hair b. ears c. eyelashes
11. Mites are very small creatures that are about ... a. 3 millimetres long. b. a third of a millimeter long.
c. 0.03 millimetres long.
12. Mites eat ... a. dead skin b. your eyelashes c. tiny insects.
Do this exercise while you listen. Complete the sentences with a word or words.
13. Only one tenth of the cells in your body are really you. The rest are bacteria .
14. An experiment found that animals that did not have bacteria died or had to have a special
diet.
15. There are 7 octillion cells in the human body.
16. Most of the atoms in the human body are just empty space _.
17. Without the empty space, you could fit your body inside a box measuring one five hundredth
of a centimetre either side.
18. You would be much too small to see .
19. Mites are really small creatures, like insects _.
20. They live in eyelashes and eyebrowns _.
21. Only about 50 per cent of people have mites.
22. Mites eat dead skin .
Cell bacteria mites atom
