21/06/2015
HOMEWORK 2015
1. mention two types of electricity
2. State one use of electricity at school.
3. In which way can electricity be a danger to human life?
4. Of what advantage is family planning to a family?
5. Identify one gas used in an electric bulb.
6. Explain the following terms as used in sound management.
i) Frequency
ii) Pitch
iii) Echo
7. State any one natural source of sound.
8. What is the role of a weather station?
9. Name two elements of weather
10. What is friction?
11. Give two ways of increasing friction
12. Name any one substance that can be used to reduce friction.
13. How long does the gestation period of a cow take?
14. Give two reasons why some bulls are castrated.
15. give one example of an optical instrument
WORK 2015
1. Name one use of a magnet
2. Mention one way of making magnets lose its magnetism
3. Write down one similarity between a spider and a tick
4. Which part of the female human body helps in the dev elopement of foetus?
5. Name the gas that is added to the atmosphere when green plants are making their food?
6. Write one characteristic of leguminous plants that make them different from other dicotyledonous plants.
7. Why should it be bad practice to remove ear wax using a sharp object?
8. which mineral salt is lacking in breast milk
9. What type of leaf venation does a maize plant have?
10. How many month can a baby live free before it is immunized against measles?
11. Identify one activity that can promote proper functioning of the human body?
12. State the mineral nutrient responsible for the formation of blood in the body.
13. Why is it a bad practice to cut finger nails using teeth?
14. Arrange the following processes in the order of happening.
Fertilization, ovulation, implantation
15. How is transpiration useful to plants?