Physics

5. To change speed
8. The unit for the movement of the force
11. A force that slows things down that are moving by water
14. It is calculated by force times perpendicular distance from the pivot
15. A gas or liquid
16. A way of transferring energy through wires
19. A force between two objects that are touching it usually is used to slow things down
21. A slopping surface
22. A lever or other machine where the load moves further than the effort
23. A simple machine consisting of a wheel and that can turn on axis with a rope running around it
24. The force put on something
25. A force that pushes things upwards in liquids and gases

1. A fuel formed from dead remains of an organism over a million years
2. Spread out
3. A device which makes it easier to move something
4. Energy from the sun
6. A simple machine that consists of a long bar and pivot
7. Change shape
9. The amount of force which gravity pulls something towards the Earth
10. Stretched or Squashed things store this energy
12. How fast something is moving
13. A lever or other machine where the load is bigger than the effort
15. A point about which something turns another word for pivot
17. A way of transferring energy through waves and they can travel through empty spaces and transparent materials
18. Food, fuel and batteries store this energy
20. Another name for water and air resistance