1) 1. What are the three parts of a lever? a) Load, fulcrum, force  b) Load, wheel, axle c) Force, screw, wedge d) Fulcrum, gear, pulley 2) 2. Which part of a lever touches the load? a) Fulcrum b) Load  c) Force d) Beam 3) 3. Which part of a lever supports and balances the beam? a) Load b) Force c) Fulcrum  d) Screw 4) 4. Which part of a lever is the push or pull applied? a) Load b) Fulcrum c) Force  d) Beam 5) 5. What is the weight of an object called in a lever? a) Force b) Fulcrum c) Load  d) Beam 6) 6. What is the point on a beam that supports the lever called? a) Load b) Fulcrum  c) Force d) Gear 7) 7. What is the push or pull action that moves a lever called? a) Load b) Fulcrum c) Force d) Axis 8) 8. How does the position of the fulcrum affect the force needed to lift a load? a) Closer to load = more force needed b) Closer to load = less force needed  c) Farther from load = less force needed d) Position of fulcrum has no effect 9) 9. What happens if the fulcrum is moved closer to the load? a) More force is needed b) Less force is needed  c) The load cannot be lifted d) The lever breaks 10) 10. What happens if the fulcrum is moved farther from the load? a) Less force is needed b) More force is needed  c) The lever becomes shorter d) The load disappears 11) 11. What is a simple machine? a) A tool that makes work harder b) A tool that helps us work more easily and quickly  c) A machine that uses electricity only d) A heavy object 12) 12. Give an example of a lever in daily life. a) Broom  b) Pencil c) Door knob d) Gear 13) 13. What is a wheel and axle? a) A flat surface used to slide objects b) A wheel fixed on a rod called an axle  c) A pointed tool used for cutting d) A grooved cylindrical tool 14) 14. Give an example of a wheel and axle. a) Screw b) Door knob  c) Knife d) Pulley 15) 15. What is a screw used for? a) To unite or tighten two parts of an object  b) To lift objects c) To cut objects d) To move objects in a circle 16) 16. Give an example of a screw in daily life. a) Bottle and its cap  b) Stairs c) Bicycle d) Doorstop 17) 17. What is a pulley used for? a) To cut objects b) To lift or lower a load using a rope  c) To join two parts d) To roll objects 18) 18. Give an example of a pulley. a) Clock gears b) Window blinds pulley  c) Knife d) Screw 19) 19. What is an inclined plane? a) A wheel on a rod b) A grooved cylinder c) A tilted flat surface with one end higher than the other  d) A pointed tool 20) 20. Give an example of an inclined plane. a) Stairs  b) Screw c) Pulley d) Door knob 21) 21. What is a wedge used for? a) To lift objects b) To cut, hold, or stop an object  c) To rotate objects d) To roll objects 22) 22. Give an example of a wedge. a) Knife  b) Pulley c) Door knob d) Stairs 23) 23. What is a gear used for? a) To lift objects b) To transmit motion between jagged wheels  c) To cut objects d) To push objects 24) 24. Give an example of a gear. a) Clock gear  b) Screw c) Stairs d) Broom 25) 25. Which simple machine is used to lift or pry out an object? a) Pulley b) Lever c) Screw d) Inclined plane 26) 26. Which simple machine is a tilted flat surface? a) Lever b) Pulley c) Inclined plane  d) Screw 27) 27. Which simple machine has one pointed end used to cut or hold objects? a) Screw b) Lever c) Pulley d) Wedge  28) 28. Which simple machine consists of jagged wheels? a) Pulley b) Lever c) Gear  d) Screw 29) 29. Which simple machine consists of a wheel fixed on a rod called an axle? a) Pulley b) Wheel and axle  c) Screw d) Lever 30) 30. What is a complex machine? a) A tool that only uses levers b) A machine made of a combination of more than one simple machine  c) A heavy tool d) A machine that floats 31) 31. Give an example of a complex machine. a) Bicycle  b) Knife c) Pulley d) Screw 32) 32. Why is a bicycle considered a sustainable machine? a) It is made of wood b) It is durable, safe, and does not pollute the environment  c) It can fly d) It uses fossil fuel 33) 33. What are the benefits of sustainable machines? a) Hard to use and polluting b) Durable, safe, environmentally friendly, and profitable  c) Heavy and unsafe d) Breaks easily 34) 34. How does a trolley help move heavy objects easily? a) By cutting the objects b) By rolling the load on wheels c) By lifting with a screw d) By lifting with a wedge 35) 35. How does an inclined plane help move heavy objects? a) By allowing objects to slide up or down gradually  b) By rotating the objects c) By lifting automatically d) By cutting 36) 36. Which simple machine is used in a mechanical pencil sharpener? a) Lever b) Pulley c) Screw  d) Wedge 37) 37. Which simple machine is used in a door knob? a) Pulley b) Screw c) Wheel and axle  d) Lever 38) 38. How does the distance of the load from the fulcrum affect the difficulty of lifting? a) Closer load = harder to lift b) Farther load = easier to lift c) Closer load = easier to lift  d) Distance has no effect 39) 39. What simple machines can be combined to paint a high wall? a) Lever and screw b) Pulley and inclined plane  c) Wedge and gear d) Screw and wheel 40) 40. Why are more simple machines used together better for work? a) Makes work heavier b) Makes work slower c) Makes work easier and faster  d) Makes work dangerous 41) 41. Which part of a screwdriver acts as a lever when opening a can lid? a) Load b) Fulcrum  c) Force d) Beam 42) 42. What acts as the load when opening a paint can with a screwdriver? a) Fulcrum b) Force c) Lid of the can  d) Hand 43) 43. What part acts as the fulcrum when using a screwdriver as a lever? a) Lid of the can b) Load c) Tip of the screwdriver d) Hand 44) 44. What part acts as the force when using a screwdriver as a lever? a) Lid of the can b) Fulcrum c) Hand pushing the screwdriver  d) Screwdriver tip 45) 45. Is a rubber able to lift a textbook using a lever? Why or why not? a) Yes, because it is heavy b) No, because rubber is too soft and flexible to act as a lever  c) Yes, because it is elastic d) No, because books are light 46) 46. Which simple machine can be used to move bricks? a) Pulley b) Trolley (wheel and axle)  c) Screw d) Wedge 47) 47. Which simple machine can be used to collect dried leaves? a) Pulley b) Screw c) Broom (lever)  d) Wedge 48) 48. Which simple machine can be used to cut grass? a) Pulley b) Scissors or knife (wedge)  c) Screw d) Lever 49) 49. How does a screw join two parts of an object? a) By lifting them b) By cutting c) By rotating to unite or tighten them  d) By sliding 50) 50. Why do we use machines in daily life? a) To make work harder b) To do work more easily, quickly, and safely c) To make objects heavier d) To replace humans completely

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