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Simple Machines Worksheet

Engineering lesson 11: The six simple machines · Set 842 · 40 questions
TalentJR

Engineer's tip (Spot the six): Lever: bar on a pivot · pulley: rope over a wheel · wheel and axle: big wheel on a rod. Inclined plane: a slope · wedge: two slopes back to back · screw: a slope wrapped round a rod. Look at how it works, not what it is called.

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  1. 1.⚙️ Most simple machines make work easier by letting us … (a) switch off gravity (b) stop all friction (c) make new energy (d) use a smaller force
  2. 2.True or false: a crowbar is a lever. (a) False (b) True
  3. 3.⚙️ A screw is really … (a) a bent lever (b) a ramp wrapped round (c) a tiny pulley (d) a kind of wheel
  4. 4.⚙️ A wedge is … (a) two ramps back to back (b) a rope on a wheel (c) a bar on a pivot (d) a wheel on a rod
  5. 5.Which of these is a wheel and axle? (a) a chisel (b) a window blind cord (c) a truck loading ramp (d) a water tap handle
  6. 6.True or false: a seesaw is a wheel and axle. (a) True (b) False
  7. 7.⚙️ Which simple machine is a jar lid? (a) lever (b) inclined plane (c) screw (d) wheel and axle
  8. 8.⚙️ How many simple machines are there in the usual list? (a) 3 (b) 6 (c) 10 (d) 12
  9. 9.⚙️ Which simple machine is a screw jack? (a) wedge (b) pulley (c) inclined plane (d) screw
  10. 10.🔍 Which is the odd one out? (a) a wood screw (b) a nut and bolt (c) a flagpole rope wheel (d) a screw jack
  11. 11.🔍 Which is the odd one out? (a) an axe blade (b) a chisel (c) a jar lid (d) a door stopper
  12. 12.🔍 Which is the odd one out? (a) an axe blade (b) a chisel (c) the tip of a nail (d) a round doorknob
  13. 13.🔍 Which is the odd one out? (a) a window blind cord (b) a round doorknob (c) a water tap handle (d) a well winch handle
  14. 14.Which of these is a lever? (a) a door stopper (b) a flagpole rope wheel (c) a round doorknob (d) a seesaw
  15. 15.True or false: a water tap handle is a wheel and axle. (a) False (b) True
  16. 16.⚙️ Which simple machine is a crane hook block? (a) wheel and axle (b) lever (c) pulley (d) screw
  17. 17.True or false: a jar lid is a wedge. (a) True (b) False
  18. 18.⚙️ Which simple machine is a door stopper? (a) wheel and axle (b) screw (c) wedge (d) lever
  19. 19.🔍 Which is the odd one out? (a) a playground slide (b) a chisel (c) a truck loading ramp (d) a wheelchair ramp
  20. 20.⚙️ Which simple machine is a round doorknob? (a) wheel and axle (b) pulley (c) lever (d) inclined plane
  21. 21.True or false: a well winch handle is a wheel and axle. (a) False (b) True
  22. 22.Which of these is a wheel and axle? (a) the tip of a nail (b) a round doorknob (c) a crane hook block (d) a playground slide
  23. 23.⚙️ Which simple machine is a knife edge? (a) lever (b) pulley (c) wedge (d) screw
  24. 24.True or false: a well winch handle is an inclined plane. (a) True (b) False
  25. 25.⚙️ Which simple machine is a nutcracker? (a) lever (b) pulley (c) wheel and axle (d) screw
  26. 26.Which of these is a screw? (a) a nut and bolt (b) an axe blade (c) the tip of a nail (d) a crowbar
  27. 27.🔍 Which is the odd one out? (a) a nut and bolt (b) a window blind cord (c) a flagpole rope wheel (d) a well-bucket rope wheel
  28. 28.🔍 Which is the odd one out? (a) a screw jack (b) a wood screw (c) a door stopper (d) a jar lid
  29. 29.True or false: an axe blade is a wedge. (a) False (b) True
  30. 30.True or false: a well-bucket rope wheel is an inclined plane. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) a knife edge (b) the tip of a nail (c) a chisel (d) a bottle opener
  32. 32.🔍 Which is the odd one out? (a) a wood screw (b) a screw jack (c) a jar lid (d) a playground slide
  33. 33.⚙️ Which simple machine is a seesaw? (a) screw (b) inclined plane (c) wedge (d) lever
  34. 34.True or false: a crowbar is a wedge. (a) False (b) True
  35. 35.Which of these is an inclined plane? (a) a flagpole rope wheel (b) a chisel (c) a steering wheel (d) a truck loading ramp
  36. 36.🔍 Which is the odd one out? (a) a truck loading ramp (b) a playground slide (c) a well-bucket rope wheel (d) a wheelchair ramp
  37. 37.True or false: a door stopper is a wedge. (a) False (b) True
  38. 38.True or false: a truck loading ramp is an inclined plane. (a) False (b) True
  39. 39.True or false: a knife edge is a wedge. (a) True (b) False
  40. 40.Which of these is a pulley? (a) a wheelchair ramp (b) a window blind cord (c) a steering wheel (d) a door stopper

Answer key

  1. use a smaller force
  2. True
  3. a ramp wrapped round
  4. two ramps back to back
  5. a water tap handle
  6. False
  7. screw
  8. 6
  9. screw
  10. a flagpole rope wheel
  11. a jar lid
  12. a round doorknob
  13. a window blind cord
  14. a seesaw
  15. True
  16. pulley
  17. False
  18. wedge
  19. a chisel
  20. wheel and axle
  21. True
  22. a round doorknob
  23. wedge
  24. False
  25. lever
  26. a nut and bolt
  27. a nut and bolt
  28. a door stopper
  29. True
  30. False
  31. a bottle opener
  32. a playground slide
  33. lever
  34. False
  35. a truck loading ramp
  36. a well-bucket rope wheel
  37. True
  38. True
  39. True
  40. a window blind cord

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