Two units are covered each term, not necessarily in the given order.  

Unit 1 – Humans and animals

  1. The Circulatory System.
  2. The Respiratory System.
  3. The Nervous System.
  4. The Digestive System.
  5. Health of body and Organ Systems.

Unit 2 – Food chains

  1. Habitats.
  2. Plants, Predator and Prey.
  3. Rainforest food chains.
  4. Ocean food chains.
  5. Savanna Food chains.
  6. Predator and prey adaptations.
  7. Food webs.
  8. Investigating local habitats and food chains.

Unit 3 – Caring for the environment

  1. Deforestation.
  2. The problem with waste.
  3. Water Pollution and Air Pollution.
  4. Climate change.
  5. Managing Waste.
  6. Energy – Uses and Sources.
  7. Saving Energy.
  8. Protecting Habitats.

Unit 4 – Material Changes

  1. Changing states of Matter.
  2. Reversible and Irreversible Changes.
  3. Reversible changes – Melting and Freezing, Evaporation and Condensation
  4. Irreversible changes – Burning, rusting.
  5. Changes in cooking.
  6. Mixing solids.
  7. Mixing solids and liquids.
  8. Separating Mixtures.
  9. Growing Crystals.

Unit 5 – Forces and Motion

  1. Forces.
  2. Measuring Forces.
  3. Mass and Weight.
  4. Force diagrams.
  5. Balanced and unbalanced forces.
  6. Simple machines – Lever, Inclined Planes, Wheel and axle, Gears.
  7. Friction.
  8. Air resistance.

Unit 6 – Electricity

  1. Circuits.
  2. Electrical current.
  3. Conductors and insulators.
  4. Flow of electric current.
  5. Parallel Circuits.
  6. Switches.