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