1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Vocabulary Questions Potpourri

2. What is a pulley?

3. A simple machine made of a wheel with a line around it

4. What is the definition of work?

5. The use of force to move an object over a distance

6. What is an inclined plane?

7. A simple machine that is a slanted surface

8. What is a simple machine?

9. A machine with few or no moving parts that you apply just one force to

10. What is a lever?

11. A simple machine made of a bar that pivots on a fixed point

12. What is a wedge?

13. A simple machine made of two inclined planes placed back to back

14. What is a screw?

15. A simple machine made of a post with an inclined plane wrapped around it

16. What is a fulcrum?

17. The fixed point on a lever

18. 360 * 9

19. 40

20. 100/50

21. 2

22. What is an example of work?

23. Lifting a box off the floor.

24. What must the wheel and axle do to be a simple machine?

25. The wheel and axle must work together.

26. What other kind of simple machine do you need to make a wedge?

27. An inclined plane.

28. Identify the lever, the fulcrum and the load on a fishing pole.

29. 32 wheel axle fulcrum

30. What type of simple machine is a fishing pole?

31. Lever

32. What type of simple machine does not change the direction of force?

33. Wheel-and- axle

34. What type of simple machine are the threads on a screw?

35. An inclined plane.

36. Identify the simple machine in the model. Predict what will happen.

37. Picture to be added.

38. Builders are working to put together shingles on a roof. They need to get the shingles to the house and up to the roof. They also have to pry off the old shingles before putting on the new ones. What simple machine could they use to help them? Explain how they should use the machines.

39. To pry off the shingles, they could use levers. To bring the shingles to the house, they could push a wheelbarrow up an inclined plane to their truck. A pulley could be used to lift the shingles to the roof.

40. Suppose you want to use pulleys to send a message across the room. Devise a system using pulleys that you could use to deliver messages. Describe your system, and list the materials you would use.

41. Come up with your own creation.

42. 1/3 + 1/3

43. 2/3

44. How many degrees are in a right angle?

45. 90 degrees

46. Estimate to the nearest hundredth: 45.567

47. 45.57

48. (C-13) = 18/3

49. 6

50. How many cm in 50 m?

51. 5,000