Simple Machines By Joanne Griffin.

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Presentation transcript:

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

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