a) Explain three functions of the pituitary gland. (b) What happens when this gland has a problem?

1. Explain three functions of the pituitary gland. (0 mk)
2. What happens when this gland has a problem? (0 mk)

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Explain how the disease of lack of blood, i.e. anemia, affects the functioning of blood.

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Mention four methods of separating a mixture of water and oil.

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List four sources of air pollution.

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a) Define four functions of the urinary system. (b) What happens when the kidney fails to function properly.

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2. What happens when the kidney fails to function properly. (0 mk)

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Mention four uses of chlorine chemical.

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Explain how the force of thrust relates to the motion of a rocket car.

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a) Explain the concept of heat flow and give one example. (b) What determines the rate of heat flow.

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2. What determines the rate of heat flow. (0 mk)

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List four characteristics of fertile soil.

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Briefly explain the importance of a laboratory notebook.

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Explain in detail how the nervous system functions when you touch something hot.

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Explain in detail how the production of iron is done.

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a) Mention and explain four uses of electricity in daily life. (b) Explain why electricity is an important source of energy.

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2. Explain why electricity is an important source of energy. (0 mk)

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Discuss four reasons why scientific research is important for the development of a country.

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a) Explain the meaning of the drama method in teaching Science. (b) Mention three steps of the drama method.

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2. Mention three steps of the drama method. (0 mk)

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Discuss why a Science teacher should consider the different intellectual abilities of students. Mention four reasons.

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a) List and describe five characteristics of a good Science teacher. (b) Explain how a Science teacher can advance their professional career.

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2. Explain how a Science teacher can advance their professional career. (0 mk)

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Mention and explain four thinking skills that a Science teacher should foster in primary school students.

1. Mention and explain four thinking skills that a Science teacher should foster in primary school students. (0 mk)

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