VocabularyUnit 2

Week 6

Gravity:

Gravity: A force that pulls things to the ground.

Forces:

Forces: The push or pull that makes things happen.

Energy:

Energy: The power needed to do work.

Motion:

Motion: The movement of things.

Pressure:

Pressure: The force pushing on something

Speed:

Speed: How fast something is moving.

Weight:

Weight: How heavy something is.

Friction:

Friction: How easily something moves over another.

Gear:

Gear: A tool for making work easier.