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Schemes of Work
QCA

Science at key stage 3    (Year 9)

Unit 9B: Fit and healthy

QCA

Expectations

At the end of this unit

in terms of scientific enquiry

most pupils will: select and make effective use of secondary sources of information about health, indicating how strongly evidence supports or does not support a conclusion; plan how to carry out appropriately an investigation using human subjects

some pupils will not have made so much progress and will: select information from secondary sources about health; use data obtained to draw a conclusion; investigate a question using human subjects safely and appropriately

some pupils will have progressed further and will: synthesise information about health and identify limitations in the data assembled; explain some methods adopted to carry out an investigation on human subjects safely and appropriately

in terms of life processes and living things

most pupils will: describe how the body uses the energy in food, representing respiration by a word equation; describe some effects of diet, smoking, alcohol and other drugs and of exercise on some organ systems; explain how different body systems work together in a healthy individual

some pupils will not have made so much progress and will: describe some effects of diet, smoking, alcohol and other drugs and of exercise on the body and on a developing foetus

some pupils will have progressed further and will: describe how cells in the respiratory system are adapted for their purpose and how they may be damaged by smoking and other forms of air pollution; represent respiration by a symbol equation


Sections in this unit

This unit is divided into sections. Each section contains a sequence of activities with related objectives and outcomes. You can view this unit by moving through the sections or print/download the whole unit.
1. a. What do we mean by fit?
2. b. What do we mean by fit?
3. What helps the respiratory system to function?
4. What is the effect of smoking on the lungs and other body systems?
5. a. Why is diet important?
6. b. Why is diet important?
7. How does alcohol affect the body?
8. a. What else can we do to maintain fitness?
9. b. What else can we do to maintain fitness?
10. a. What effects do drugs have?
11. b. What effects do drugs have?
12. Are we healthier than our great-grandparents were?
13. Reviewing work