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  • YEAR 7
    • Bio 1: Cells (7A)
    • Bio 2: Reproduction and Variation (7B, 7D)
    • Bio 3: Environment (7C)
    • Chem 1: Acids and Alkalis (7E)
    • Chem 2: Chemical Reactions (7F)
    • Chem 2: Solutions (7H)
    • Phys 1: Solids, Liquids and Gases (7G)
    • Phys 2: Forces (7K)
    • Phys 3: Energy (7I)
    • Phys 3: Electricity (7J)
    • The Solar System and beyond
  • YEAR 8
    • Bio 4: Nutrition (8A)
    • Bio 5: Respiration (8B)
    • Bio 6: Microbes and Disease (8C)
    • Chem 3: Elements, Mixtures, Compounds (8EF)
    • Chem 4: Chemical Reactions (8G)
    • Phys 4: Heat transfer (8I)
    • Phys 5: Magnetism (8J)
    • Phys 6: Waves (8L Sound)
    • Phys 6: Waves (8K Light)
    • Ecological Relationships (8D)
    • The Rock Cycle (8H)
  • YEAR 9
    • Bio 7: Inheritance and Selection (9A)
    • Bio 8: Health (9B)
    • Bio 9: Farming
    • Chem 5: Metals (9EF)
    • Chem 6: Pollution (9CG)
    • Phys 7: Motion (9K)
    • Phys 8: Energy and Electricity (9I)
    • Phys 9: Pressure and Moments (9L)
    • Plants for food and Photosynthesis (9CD)
    • Environmental Chemistry and Using Chemistry (9GH)
    • Gravity and Space (9J)
  • IGCSE
    • IGCSE Biology >
      • Unit 1
      • Unit 2
      • Unit 3
      • Unit 4
      • Unit 5
      • Unit 6
      • Unit 7
      • Unit 8
      • Unit 9
      • Unit 10
      • Unit 11
      • Unit 12
    • Coordinated Biology
    • Coordinated Chemistry
    • Coordinated Physics
    • Coursework
    • Flipped learning
  • Science Careers

year 9 physics

9I ENERGY AND ELECTRICITY
9k speeding up
9l pressure and moments

9j GRAVITY AND SPACE

In this topic you will learn about weight mass and gravity. You will learn about how big Space really is and what our solar system is made of!

Here are the learning objectives for this topic:

I can
  • Calculate weight on earth
  • Name the parts of our solar system
  • Order object in space by size
  • Explain why gravity changes in different parts of the solar system
  • Name the two types of satellites
  • Describe the different types of artificial satellites and their uses

I understand
  • That gravity is a force that acts between all objects
  • That gravity decreases with distance and smaller objects
  • That gravity holds the planets in orbit round the sun
  • That artificial satellites have many different purposes

useful 9J websites


Here is the scale website that you can use to compare the sizes of objects in the universe. 

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