Physics

3. A name used to describe energy when it is stored in stretched or squashed things that can change back to their original shapes.
6. A way if transferring energy by waves.
8. A lever or other machine where the load moves further than the effort.
11. To change speed
13. A way of transferring energy by waves. They cannot travel through vacuum.
16. A way of saying how much energy something wastes
18. The weight or force on something.
19. A fuel formed from the dead remains of organisms over millions of years.
21. The turning effect of a force.
23. A force that pushes things up in liquids and gases.
24. Change shape.
25. A simple machine consisting of a wheel that can turn on an axis with a rope running around it.

1. A way of transferring energy through the wires.
2. Spread out.
4. A point about which something turns. Another name for fulcrum
5. A name used to describe energy stored when it is stored inside materials.
7. How fast something is moving. Often measured in meters per second or kilometers per hour.
9. In balance.
10. The force put on something, especially a lever or other simple machine.
12. A way of transferring energy from hot substance to cooler ones.
14. The unit for the movement of a force.
15. A way of describing steepness of a line on a graph in numbers.
17. The difference between forces in two opposite directions.
20. A force between two objects that are touching. It usually acts to slow things down or prevent movement.
22. Another name for air resistance or water resistance