2023 TS Midterm Review

4. output work / input work x 100%
5. Unit of force (and weight)
7. Unit of time
9. Type of heat transfer that can travel through a vacuum like space
10. Unit of power
13. They used inclined planes to build big pyramids
16. Unit of height (when calculating potential energy)
17. Divide the _____ of an inclined plane by its height to find its mechanical advantage
20. The amount of kinetic energy is determined by an object's mass and ______
21. It cooks your food using radiation
22. Unit of mass
24. In the middle of a first class lever
26. Type of energy that increases the higher you are and transforms in to kinetic energy
28. Type of heat transfer that happens when two solid objects touch
32. Simple machines can change the size, distance and _______ of a force
34. Atoms move more in a gas and less in a solid than in a _____
35. Type of pulley with a mechanical advantage of 2
37. 9.8m/s/s is the ________ of gravity on Earth

1. Unit of energy
2. It reduces the efficiency of a machine
3. output force / input force (2 words)
6. Class of lever with the input in the middle
8. Type of energy, along with heat, that we get from the chemical energy when we strike a match
11. How much something's temperature increases depends on its amount and ______
12. Greek word that means active
14. Type of heat transfer that can happen in liquids and gases but not solids
15. About 745 Watts of power
18. Type of machine that combines two or more simple machines
19. Force x Distance & Power x Time
20. Type of movement of atoms in a solid
23. The Korean one has red above blue because Manchester United > Manchester City; it can be raised using a pulley
25. J.P. Joule demonstrated the Law of _________ of Energy
27. Animals that make good use of convection
29. An inclined plane wrapped around a post
30. Energy can change the speed, temperature and _____ of an object
31. cannot be destroyed or __________
33. Type of energy we get from food
36. Class of lever with the output in the middle