Across
- 6. when light changes direction in a different medium (10)
- 10. model of the solar system with the sun at the centre (12)
Down
- 1. model of the solar system with the earth at the centre (10)
- 2. the process of making an image larger (13)
- 3. the point where an image is in focus (5,5)
- 4. glass object that refracts light and is found in a telescope (4)
- 5. this travels in waves and is represented by straight lines in diagrams (5)
- 7. type of lens with two curved sides that is wider in the middle (6)
- 8. tool Galileo used to spot Jupiter's moons (9)
- 9. the small lens in a telescope before light reaches your eye (8)