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Natural Sciences Grade 8 Chapters
- Chapter 1: Photosynthesis and respiration
- 1.1 Photosynthesis
- 1.2 Respiration
- 1.3 Summary
- Chapter 2: Interactions and interdependence within the environment
- 2.1 What is ecology?
- 2.2 Ecosystems
- 2.3 Feeding relationships
- 2.4 Energy flow: Food chains and food webs
- 2.5 Balance in an ecosystem
- 2.6 Adaptations
- 2.7 Conservation of the ecosystem
- 2.8 Summary
- Chapter 3: Microorganisms
- 3.1 Types of microorganisms
- 3.2 Harmful microorganisms
- 3.3 Useful microorganisms
- 3.4 Summary
- Chapter 4: Life and Living Glossary
- 4.1 Life and Living Glossary
- Chapter 5: Atoms
- 5.1 The building blocks of matter
- 5.2 Sub-atomic particles
- 5.3 Pure substances
- 5.4 Mixtures of elements and compounds
- 5.5 Summary
- Chapter 6: Particle model of matter
- 6.1 What is the particle model of matter?
- 6.2 Solids, liquids and gases
- 6.3 Changes of state
- 6.4 Density, mass and volume
- 6.5 Density and states of matter
- 6.6 Density of different materials
- 6.7 Expansion and contraction of materials
- 6.8 Pressure
- 6.9 Summary
- Chapter 7: Chemical reactions
- 7.1 How do we know a chemical reaction has taken place?
- 7.2 Reactants and products
- 7.3 Summary
- Chapter 8: Matter and Materials Glossary
- 8.1 Matter and Materials Glossary
- Chapter 9: Static electricity
- 9.1 Friction and static electricity
- 9.2 Summary
- Chapter 10: Energy transfer in electrical systems
- 10.1 Circuits and current electricity
- 10.2 Components of a circuit
- 10.3 Effects of an electric current
- Chapter 11: Series and parallel circuits
- 11.1 Series circuits
- 11.2 Parallel circuits
- 11.3 Other output devices
- Chapter 12: Visible light
- 12.1 Radiation of light
- 12.2 Spectrum of visible light
- 12.3 Opaque and transparent substances
- 12.4 Absorption of light
- 12.5 Reflection of light
- 12.6 How do we see light?
- 12.7 Refraction of light
- Chapter 13: Energy and Change Glossary
- 13.1 Energy and Change Glossary
- Chapter 14: The solar system
- 14.1 The Sun
- 14.2 Objects around the Sun
- 14.3 Earth’s position in the solar system
- Chapter 15: Beyond the solar system
- 15.1 The Milky Way Galaxy
- 15.2 Our nearest star
- 15.3 Light years, light hours and light minutes
- 15.4 What is beyond the Milky Way Galaxy?
- Chapter 16: Looking into space
- 16.1 Early viewing of space
- 16.2 Telescopes
- Chapter 17: Planet Earth and Beyond Glossary
- 17.1 Planet Earth and Beyond Glossary
Natural science grade 8 exam papers
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