Simple Machines (BrainPop Jr.) Flashcard

Front

What is a simple machine?

Back

A simple machine is a tool that makes work easier by allowing us to push or pull things with less effort.

Front

What are the six types of simple machines?

Back

The six types of simple machines are lever, pulley, inclined plane, wedge, screw, and wheel and axle.

Front

What does a lever do?

Back

A lever helps lift or move heavy objects by using a fulcrum to change the direction of the force.

Front

What is a pulley used for?

Back

A pulley is used to lift heavy objects by changing the direction of the force applied.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle, making it easier to move heavy objects up or down.

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut things apart.

Front

What is a screw?

Back

A screw is a simple machine that converts rotational force into linear motion, often used to hold things together.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine that helps move heavy objects by reducing friction.

Front

Why might someone use a ramp?

Back

Someone might use a ramp to help move a heavy load more easily.

Front

Which object needs the MOST force to be pushed across the floor?

Back

The heaviest object needs the most force to be pushed.