(a) State four functions of the liver related to fat digestion. (b) What happens when the liver has too much fat.

Boresha ili kuona majibu ya mfano.

Explain how the hormones calcitonin and parathormone regulate calcium levels in the body.

Boresha ili kuona majibu ya mfano.

Explain the meaning of the term isotope and give one example.

Boresha ili kuona majibu ya mfano.

List four ways to prevent poisonous chemicals from contaminating food.

Boresha ili kuona majibu ya mfano.

(a) Define four characteristics of a forest ecosystem. (b) What happens when a forest ecosystem is removed.

Boresha ili kuona majibu ya mfano.

State four steps of the procedure for teaching through mime.

Boresha ili kuona majibu ya mfano.

Explain the concept of thermal pollution and its effects.

Boresha ili kuona majibu ya mfano.

(a) Explain how the behaviour of light can be distinguished according to the colour of objects. (b) Give one example of such a distinction.

Boresha ili kuona majibu ya mfano.

List four uses of glass in everyday life.

Boresha ili kuona majibu ya mfano.

State four factors to consider when disposing of laboratory waste.

Boresha ili kuona majibu ya mfano.

Explain in detail how solar energy is generated and its two advantages.

Boresha ili kuona majibu ya mfano.

Describe how the nervous system collaborates with the endocrine system in regulating female reproduction.

Boresha ili kuona majibu ya mfano.

(a) Name and describe three states of matter. (b) Explain how matter changes state.

Boresha ili kuona majibu ya mfano.

Discuss four reasons why teaching Science requires thorough preparation.

Boresha ili kuona majibu ya mfano.

(a) Explain the meaning of the conceptual cycle approach. (b) Describe the three stages of the conceptual cycle approach.

Boresha ili kuona majibu ya mfano.

List and describe five challenges of assessing students' understanding in Science.

Boresha ili kuona majibu ya mfano.

Explain why a Science teacher should learn indigenous languages. State four reasons.

Boresha ili kuona majibu ya mfano.

Explain how the indoor classroom environment can be modified to enhance students' understanding of Science and give three examples.

Boresha ili kuona majibu ya mfano.