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Ireland: choose your country
Science glossary · Ireland

Gravity

The force that pulls objects toward each other, such as toward the center of Earth.

Gravity keeps us on the ground and makes dropped objects fall. The more mass an object has, the stronger its pull.

Example: A ball you throw up comes back down because Earth's gravity pulls on it.

Lessons, worksheets, practice and tools on this: Forces and motion.

Related words

  • Force: A push or a pull.
  • Friction: A force that slows things down when two surfaces rub together.
  • Lever: A simple machine: a bar that turns on a point called the fulcrum.
  • Magnet: An object that attracts iron and some other metals, and that has a north and a south pole.

All words