Across
- 2. The force of gravity on an object.
- 5. The proportion of useful energy produced during an energy transfer.
- 7. The store of energy which increases the faster your travelling.
- 8. When speed or direction changes.
- 11. When an object slows down.
- 12. The peak to peak distance on a wave.
- 14. The amount of matter in an object.
- 18. The type of wave where the oscillations are parallel to the direction of energy transfer.
- 20. When light bounces off of a surface at the same angle it hits the surface at.
- 22. A type of material which doesn't allow energy to be transferred through it.
- 23. A physical quantity that has both direction and size.
- 25. A type of material which allows energy to be transferred through it.
- 26. The centre of an atom.
- 27. The speed and direction of an object.
- 29. The energy store in atoms.
Down
- 1. The energy required to move an object a certain distance.
- 3. Electromagnetic radiation which can mutate the DNA in cells.
- 4. A form of energy which depends on the height and mass of an object.
- 6. The name for energy stored by charged particles and the force between charged particles.
- 9. A wave where the oscillations are perpendicular to the direction of energy transfer.
- 10. When light is slowed down as it passes through a medium.
- 13. Electromagnetic waves which send signals to your mobile phones.
- 15. A physical quantity that only has size, no direction (e.g. time).
- 16. The force between two objects which are being rubbed together.
- 17. The lowest frequency electromagnetic waves.
- 19. The ability of an object to do things.
- 21. The rate of change of energy.
- 24. The number of waves passing a point each second (measured in Hertz).
- 28. An object which will spring back to its original shape after being stretched.