What is Engineering K-2-ETS1-1

Compound machine

A machine made of two or more simple machines. Compound machine. A compound machine is like a toy that uses several parts, like levers and wheels, to help us do things more easily.

Machine

A device that makes work easier by changing the size or direction or both of a force. Machine. A machine is something that helps us do things more easily, like lifting a heavy box.

Output force

The force exerted by a machine. Output force. Output force is the push or pull a machine gives to move or lift something.

Pulley

A simple machine made of a wheel with a rope around it. Pulley. In kindergarten terms, a pulley helps lift heavy things easily by using a rope and a wheel.

Wheel and axle

A simple machine made of a wheel with a rod joined at its center, they rotate together. Wheel and axle. In simple terms, a wheel and axle make it easier for kids to move things around by rolling them.