Across
- 4. The study of sound (7)
- 7. BULB A device that converts electrical energy into light (8)
- 8. The change in state from liquid to gas (8)
- 10. The force that pushes objects apart (7)
- 13. ENERGY The energy of motion (9)
- 14. The tiny particles that make up atoms (6)
- 16. The transfer of energy through waves (8)
- 20. The force that holds magnets together (7)
Down
- 1. The total amount of matter in an object (7)
- 2. The opposite of acceleration (10)
- 3. The bending of light as it passes through different materials (8)
- 5. ENERGY The energy stored in an object due to its position or motion (8)
- 6. The process of splitting an atom's nucleus (8)
- 9. The unit of measurement for electrical current (5)
- 11. Theenergy carried by light waves (5)
- 12. The measurement of how hot or cold something is (7)
- 15. The force that opposes motion (6)
- 17. The Path an object takes around another object (5)
- 18. The force that pulls objects towards each other (7)
- 19. The smallest unit of an element (5)