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  • Science 8
    • UNIT 1: Plants
    • 1.1 Photosynthesis
    • 1.2 Leaves
    • 1.3 Investigating Photosynthesis
    • 1.4 Roots
    • 1.5 Transporting water and minerals
    • End of unit questions
    • UNIT 2: Food and digestion
    • 2.1 Nutrients
    • 2.2 A balanced diet
    • 2.3 Digestion and absorption
    • 2.4 The human digestive system
    • 2.5 Teeth
    • 2.6 Enzymes
    • End of unit questions
    • UNIT 3: The circulatory system
    • 3.2 The human circulatory system
    • 3.3 Blood
    • 3.4 Blood vessels
    • End of unit questions
    • UNIT 4: Respiration
    • 4.1 The human respiratory system
    • 4.2 Gas exchange
    • 4.3 Aerobic respiration
    • 4.4 Keeping fit
    • 4.5 Cigarettes and health
    • End of unit questions
    • UNIT 5: Reproduction and development
    • 5.1 Gametes
    • 5.2 The human reproductive system
    • 5.3 What happens to the egg cell?
    • 5.4 From embryo to baby
    • 5.5 Growth and development
    • 5.6 Lifestyle and health
    • End of unit questions
    • UNIT 6: Stated of matter
    • 6.1 Particle theory
    • 6.2 Diffusion
    • 6.3 Investigating diffusion
    • 6.4 Brownian motion
    • 6.5 Gas pressure
    • End of unit questions
    • UNIT 7: Elements and compounds
    • 7.1 Atoms
    • 7.2 Atoms and elements
    • 7.3 The Periodic Table
    • 7.4 Compounds
    • 7.5 Formulae
    • End of unit questions
    • UNIT 8: Mixtures
    • 8.1 Compounds and mixtures
    • 8.2 More about mixtures
    • 8.3 Separating mixtures
    • 8.4 Chromatography
    • 8.5 Solutions
    • 8.6 Solubility
    • 8.7 Solubility investigation
    • End of unit questions
    • UNIT 9: Material changes
    • 9.1 Physical and chemical changes
    • 9.2 Burning
    • 9.3 Reactions with acids
    • 9.4 Rearranging atoms
    • 9.5 More about conservation of mass
    • 9.6 Detecting chemical reactions
    • 9.7 Rusting
    • End of unit questions
    • UNIT 10: Measuring motion
    • 10.1 How fast?-Measuring speed
    • 10.2 Speed check
    • 10.3 Speed calculations
    • 10.4 Pattern of movement
    • 10.5 Distance- time graphs
    • End of unit questions
    • UNIT 11: Sound
    • 11.1 Changing sounds
    • 11.2 Looking at vibrations
    • 11.3 How sound travels
    • 11.4 Sounds on a screen
    • 11.5 How we hear
    • End of unit questions
    • UNIT 12: Light
    • 12.1 How light travels
    • 12.2 How shadows form
    • 12.3 How reflections form
    • 12.4 How light bends
    • 12.5 The spectrum of white light
    • 12.5 Coloured light
    • End of unit questions
    • UNIT 13: Magnetism
    • 13.1 Magnets and magnetic materials
    • 13.2 Magnetic poles
    • 13.3 Magnetic field pattern
    • 13.4 Making an electromagnet
    • 13.5 A stronger electromagnets
    • 13.6 Electric currents make Magnetic field
    • End of unit questions
    • References
    • Making better measurements
    • Measuring instruments
    • Improving accuracy
    • Anomalous results
    • Understanding equation