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