Quiz on Simple and Complex Machines

What is a machine?

• A tool that helps move or lift things more easily.

• A circular object that can rotate around a central point.

• A device that makes work easier.

What is a complex machine?

• A device made up of two or more simple machines working together.

• A tool that helps move or lift things more easily.

• A device that makes work easier.

What is a simple machine?

• A device that helps move or lift things more easily.

• A device made up of two or more simple machines working together.

• A device that makes work easier.

What is force?

• A device that makes work easier.

• How hard or soft we push or pull something.

• A tool that helps move or lift things more easily.

What is work?

• Use force to move something.

• A device that makes work easier.

• A tool that helps move or lift things more easily.

What is a wheel?

• A round, circular object that can rotate around a central point called an axle.

• A device that makes work easier.

• A tool that helps move or lift things more easily.

What is an axle?

• A device that makes work easier.

• A tool that helps move or lift things more easily.

• A rod or bar that passes through the center of a wheel.

What is an inclined plane?

• An inclined surface, such as a ramp, that helps move heavy objects.

• A device that makes work easier.

• A tool that helps move or lift things more easily.

What is a lever?

• A tool that helps move or lift things more easily.

• When force on one end makes an object on the other end move up or down.

• A device that makes work easier.

What is a pulley?

• A device made with a wheel and a rope or cable.

• A device that makes work easier.

• A tool that helps move or lift things more easily.