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