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Grade 3 Science lessons

Everything in Grade 3 Science on one page: 10 units and 100 lessons for learners aged 8–9. Work through the units in order, or jump straight to the topic you need.

Unit 1 · 10 lessons

Scientific Inquiry and Experiments

  1. Scientific questions
  2. Predictions
  3. Observation and measurement
  4. Scientific equipment
  5. Planning investigations
  6. Introduction to fair tests
  7. Recording results
  8. Tables and charts
  9. Drawing conclusions
  10. Communicating findings

Unit 2 · 10 lessons

Plants and Their Functions

  1. Plant structure
  2. Root functions
  3. Stem functions
  4. Leaf functions
  5. Flower functions
  6. Pollination
  7. Seed formation
  8. Seed dispersal
  9. Plant growth requirements
  10. Plant adaptations

Unit 3 · 10 lessons

Animal Classification and Life Cycles

  1. Classifying animals
  2. Vertebrates and invertebrates
  3. Mammals
  4. Birds
  5. Fish
  6. Reptiles
  7. Amphibians
  8. Insects
  9. Animal life cycles
  10. Animal adaptations

Unit 4 · 10 lessons

The Human Body and Health

  1. Major internal organs
  2. The brain
  3. The heart
  4. The lungs
  5. The stomach
  6. The intestines
  7. Digestion introduction
  8. Breathing
  9. Nutrition
  10. Healthy habits

Unit 5 · 10 lessons

Matter and Material Properties

  1. Matter
  2. Solids
  3. Liquids
  4. Gases
  5. Comparing states of matter
  6. Material properties
  7. Heating and cooling
  8. Melting and freezing
  9. Evaporation
  10. Material selection

Unit 6 · 10 lessons

Forces and Magnetism

  1. Forces
  2. Contact forces
  3. Gravity
  4. Friction
  5. Magnetic forces
  6. Magnetic materials
  7. Magnetic poles
  8. Attraction and repulsion
  9. Measuring simple effects of forces
  10. Force investigations

Unit 7 · 10 lessons

Rocks and Soils

  1. Rocks
  2. Rock properties
  3. Uses of rocks
  4. Soil
  5. Soil components
  6. Types of soil
  7. Soil and plant growth
  8. Water movement through soil
  9. Soil erosion
  10. Soil conservation

Unit 8 · 10 lessons

Weather and Climate Patterns

  1. Weather observations
  2. Temperature measurement
  3. Rainfall measurement
  4. Wind direction
  5. Weather records
  6. Weather graphs
  7. Seasonal patterns
  8. Weather and farming
  9. Extreme weather
  10. Weather preparedness

Unit 9 · 10 lessons

Ecosystems and Food Chains

  1. Ecosystems introduction
  2. Living and non-living components
  3. Producers
  4. Consumers
  5. Simple food chains
  6. Animal feeding relationships
  7. Habitat relationships
  8. Environmental changes
  9. Human impacts
  10. Ecosystem protection

Unit 10 · 10 lessons

Engineering and Science Applications

  1. What is engineering?
  2. Identifying practical problems
  3. Designing simple solutions
  4. Materials and structures
  5. Building models
  6. Testing designs
  7. Improving designs
  8. Recording results
  9. Teamwork
  10. Engineering project

More to explore

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