Simple Machines

By Joanne Griffin

Lever

• Door on hinges• Wheelbarrow• Crowbar• Oar• Scissors• Pliers• See-saw• Salad tongs• Hoe• Rake• Hammer

Lever

Pulley

• Mini-blinds• Elevator• Crane• Drapery draw• Flag pole pulleys• Engine hoist

Pulley

Screw

• Bolt• Spiral staircase• Propeller on airplane• Pencil sharpener• Vise• Jar lid• Hose nozzle

Screw

Wedge

• Axe• Zipper• Knife• Hatchet• Plow• Fork• Pizza cutter• Hoe• Chisel• Jack hammer

Wedge

Wheel and Axle

• Door knob

• Wagon

• Toy car

• Skate wheels

• Ferris wheel

• Wheelbarrow

• Bicycle wheels

• Potter’s wheel

• gears

Wheel and Axel

Inclined Plane

• Staircase

• Ramp

• Bottom of a bath tub

• Slide

• Escalator

• Wheelchair ramp

• Skateboard ramp

Inclined Plane

1. What simple machine is this?

• Lever• Wheel and axel• Screw• Pulley• Wedge• Inclined plane

2. What simple machine is this?

• Lever• Wheel and axel• Screw• Pulley• Wedge• Inclined plane

3. What simple machine is this?

• Lever• Wheel and axel• Screw• Pulley• Wedge• Inclined plane

4. What simple machine is this?

• Lever• Wheel and axel• Screw• Pulley• Wedge• Inclined plane

5. What simple machine is this?

• Lever• Wheel and axel• Screw• Pulley• Wedge• Inclined plane

6. What simple machine is this?

• Lever• Wheel and axel• Screw• Pulley• Wedge• Inclined plane

Answers to what simple machine is this?

• 1. Lever

• 2. Screw

• 3. Wedge

• 4. Wheel and axel

• 5. Pulley

• 6. Inclined plane