Across
- 4. Pressure is the amount of ___ exerted in an area.
- 9. Give the speed of light in a vacuum.
- 13. What's the colour of water?
- 14. Magnetic domains are areas where the ___ magnets show to the same direction.
Down
- 1. A light beam ___ in a straight line.
- 2. A ___ is a physical property where directions are important.
- 3. The molecules of a ___ are packed together.
- 5. The ___ is the minimum distance in which an eye can focus on an object.
- 6. The actions of a force are: change of shape, velocity and ___.
- 7. The unit of pressure is ___.
- 8. What does a magnifying glass look like?
- 10. Every action has an equal and ____ reaction.
- 11. An electron is the ___ known negative charge.
- 12. 2 ___ colours mixed becomes white light.
- 15. The size of an atom is 0,1___.