Year 8 - Science
Good and ill health
Diet and exercise
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit covers the components of a healthy diet, energy requirements, and the effects of imbalances, exercise, asthma, and smoking on the body. It also focuses on planning scientific enquiries, applying mathematical concepts, performing calculations, and basic data analysis techniques.
Lesson Summary
You will learn to describe what is meant by physical and mental health and can identify factors and symptoms associated with ill health.
Key Notes
- People have both physical health and mental health.
- Physical health and mental health range from good to ill.
- Changes in normal body appearance, function and behaviour can be symptoms of ill health.
Vocabulary To Learn
- physical health: Physical health is the condition of your body.
- mental health: Mental health is how you feel, think and act.
- symptom: An unusual change in a person's normal appearance, function or behaviour might be a symptom of ill health.
- disease: Disease is a persistent deviation from a person's normal appearance, function or behaviour.
Common Mistakes To Avoid
- Only thinking about physical and not mental health; thinking health is a binary of "healthy or ill".
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
People have both physical health and mental health. Physical health and mental health range from good to ill.
2. Define this scientific word and use it in context. 'physical health'
Physical health is the condition of your body. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Only thinking about physical and not mental health; thinking health is a binary of "healthy or ill". Correction: The lesson draws upon research on students' understanding of 'health' as a concept to specifically tackle the above misconceptions.
More Lessons In This Unit
- Balanced diet Study Guide
- Energy provided by food: practical Study Guide
- Food is a source of building materials and energy Study Guide
- Imbalanced diet: obesity Study Guide
- Imbalanced diet: starvation and deficiency diseases Study Guide
- Recovery time after exercise Study Guide
- The effects of exercise on breathing and heart rate Study Guide
- The effects of exercise on the human body Study Guide
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