Simple Machines

Front

What is a Wedge?

Back

A wedge is an object that is wide at one end and pointed at the other, used to cut or split objects.

Front

What is a Pulley?

Back

A pulley is a wheel with a rope wrapped around it, used to lift or pull heavy objects by changing the direction or amount of force.

Front

What is a Lever?

Back

A lever is a bar that moves around a fixed point (fulcrum) to push, pull, or move things.

Front

What is a Screw?

Back

A screw is a simple machine that consists of a spiral inclined plane wrapped around a cylinder, used to hold things together or lift materials.

Front

What is a Wheel & Axle?

Back

A wheel and axle is a simple machine that consists of a larger wheel attached to a smaller axle, used to make it easier to move or turn things.

Front

What is an Inclined Plane?

Back

An inclined plane is a flat surface that is tilted at an angle, used to help raise or lower objects.

Front

Give an example of a Wedge.

Back

A knife is an example of a wedge, as it has a sharp edge that helps cut through materials.

Front

Give an example of a Pulley.

Back

A flagpole with a rope to raise and lower the flag is an example of a pulley.

Front

Give an example of a Lever.

Back

A seesaw is an example of a lever, as it pivots around a central point.

Front

Give an example of a Screw.

Back

A jar lid is an example of a screw, as it twists to open or close the jar.