1. 1 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt LEVER INCLINED PLANE SCREW WEDGE WHEEL & AXLE

2. 2 These are the three parts of the lever.

3. 3 What are fulcrum, load, and force?

4. 4 Another word for resistance.

5. 5 What is load?

6. 6 A lever that has the force in the middle is a ___ class lever.

7. 7 What is third?

8. 8 The turning point of a lever.

9. 9 What is fulcrum?

10. 10 These two simple machines are related to the lever.

11. 11 What are wheel and axle and pulley?

12. 12 True or False? An inclined plane reduces friction.

13. 13 What is false?

14. 14 True or False? Gravity still acts on an object when you are moving it up an inclined plane.

15. 15 What is true?

16. 16 True or False? An inclined plane is also considered a lever.

17. 17 What is false?

18. 18 The number of inclined planes in a wedge.

19. 19 What is 1 or 2?

20. 20 The steeper the slant, the ___ force you need to use.

21. 21 What is more?

22. 22 A screw is an inclined plane wrapped around _____.

23. 23 What is a cylindrical object?

24. 24 The threading of a screw.

25. 25 What is pitch?

26. 26 Name three things screws can do.

27. 27 What is hold things together, lift, fasten, cut, or push?

28. 28 True or False? In a screw, the fulcrum is in the middle.

29. 29 What is false? (A screw doesn’t have a fulcrum.)

30. 30 True or False? A spiral staircase is a screw.

31. 31 What is true?

32. 32 A wedge with only one sloping surface.

33. 33 What is a single wedge?

34. 34 True or False? A wedge can pry things apart.

35. 35 What is true?

36. 36 A double wedge has two _____ ____.

37. 37 What are sloping surfaces?

38. 38 True or False? A knife is not a wedge.

39. 39 What is false?

40. 40 A wedge is related to the ____ ____.

41. 41 What is the inclined plane?

42. 42 A wheel and axle is a spinning ___.

43. 43 What is lever?

44. 44 The _____ reduces friction.

45. 45 What is the wheel?

46. 46 The axle is the _____.

47. 47 What is fulcrum?

48. 48 A pencil sharpener has an ____ wheel.

49. 49 What is open?

50. 50 The bigger the wheel compared to the axle, the ___ force is needed.

51. 51 What is less?