ScienceYears 10–11Physics — Space
Space physics
Describe the life cycle of stars, the solar system, orbital motion, red-shift and evidence for the Big Bang
What you'll learn
- 1
Imagine you're holding a ball on a string. The string pulls the ball towards your hand — that's a bit like gravity pulling planets towards the Sun!
- 2
What does gravity do?
- 3
Drag the planet closer to the star to feel gravity getting stronger.
- 4
Why does Earth orbit the Sun? Let's break it down together.
- 5
What keeps Earth from flying off into space?
- 6
Use the slider to change the planet's speed and see what happens to its orbit.
- 7
If a planet moves too slowly, what happens?
Practise Space physics with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 14–16. Aligned to the UK National Curriculum.