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Science at key stage 3    (Year 7)

Unit 7B: Reproduction
Section 8: b. How is the human foetus supported as it develops?

QCA

Objectives
Children should learn:
  • that harmful substances and viruses can cross the placenta into the foetus and affect development

Activities

Outcomes
Children:
  • Challenge pupils to explain why, at one time, teenage girls were offered the rubella vaccine, but boys were not. Using secondary sources, discuss with pupils the passage of alcohol, substances from cigarette smoke and drugs across the placenta. Ask pupils to make a poster or leaflet to explain, eg why vaccination against rubella is important, how smoking can affect a developing foetus.
  • include in their poster or leaflet appropriate information about the effects of alcohol, smoking or drugs on a developing baby's growth
  • recognise that pregnant women should avoid rubella

Points to note
  • This work provides an opportunity to undertake a risk assessment on the effects of smoking on the unborn child.
  • Other effects of harmful substances are covered in unit 9B 'Fit and healthy'.

Sections in this unit

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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. How does a new life start?
2. b. How does a new life start?
3. c. How does a new life start?
4. d. How does a new life start?
5. e. How does a new life start?
6. When can human fertilisation take place?
7. a. How is the human foetus supported as it develops?
8. b. How is the human foetus supported as it develops?
9. What do newborn babies need?
10. Checking progress
11. a. How do humans change as they grow?
12. b. How do humans change as they grow?
13. c. How do humans change as they grow?
14. Reviewing work