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Science 6
- UNIT 1: Humans and animals
- 1.1 Body organs
- 1.2 The heart
- 1.3 Heartbeat and pulse
- 1.4 The lungs and breathing
- 1.5 The digestive system
- 1.6 What do the kidneys do?
- 1.7 What does the brain do?
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- UNIT 2: Living things and environment
- 2.1 Food chains in a local habitat
- 2.2 Food chains will begin with plants
- 2.3 Consumers in food chains
- 2.4 Food chains in different habitats
- 2.5 Deforestation
- 2.6 Air pollution
- 2.7 Acid rain
- 2.8 Recycling
- 2.9 Take care of your environment
- Check your progress
- UNIT 3: Material changes
- 3.1 Reversible and irreversible changes
- 3.2 Mixing and separating solids
- 3.3 Soluble and insoluble substances
- 3.4 Separating insoluble substances
- 3.5 Solutions
- 3.6 How can we make solids dissolve faster?
- 3.7 How does grain size affect dissolving?
- Check your progress
- UNIT 4: Forces and motion
- 4.1 Mass and weight
- 4.2 How forces act
- 4.3 Balanced and unbalanced forces
- 4.4 The effect of forces
- 4.5 Forces and energy
- 4.6 Friction
- 4.7 Investigating friction
- 4.8 Air resistance and drag
- Check your progress
- UNIT 5: Electrical conductors and insulators
- 5.1 Which materials conduct electricity?
- 5.2 Does water conduct electricity?
- 5.3 Do different metals conduct electricity equally well?
- 5.4 Choosing the right materials for electrical appliances
- 5.5 Circuits symbols
- 5.6 Changing the number of components
- 5.7 Adding different components
- 5.8 Length and thickness of wire in a circuit
- 5.9 How scientists invented batteries
- Check your progress
- Reference
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