My simple machine challenge!!! By: Emmy Treadway.

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Presentation transcript:

My simple machine challenge!!! By: Emmy Treadway

SCREWS This is a doorknob This is a orange juice cap

This is a fork. Wedges This is a pair of scissors. The blade is the wedge.

Inclined plane This is my example of a smiley face rolling down a inclined plane This is me going up the stairs

Levers This is a shovel. This is a food clip.

Wheel and axles This is a rolling pin. This is a pizza cutter.

Pulleys This my mom’s bike. The pulley is where the arrow is. This is an example of a pulley

Wheel and axle: a larger wheel connected by a small axle and is fastened to the wheel so that they turn together. Pulley: a wheel that usually has a groove around the outside edge. This groove is for a rope or belt to move around the pulley. Inclined plane: sloping surface, such as a ramp. An inclined plane can be used to change the effort of moving loads. Wedge: two inclined planes joined back to back. Wedges are used to cut material. Lever: can help lift a heavy weight with much less effort. A lever consists of a rod, which balances on a fixed point. The heavy object that has to be moved or lifted is called the “Load” - the point at which the rod is fixed is called the “Fulcrum”. Screw: a pointed nail with grooves in it. This thread of grooves is an inclined plane.

Thanks for watching!!