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Science words
| Term | Definition |
|---|---|
| kilogram | a metic unit for describing mass: one kilogram is equal tone thousand grams |
| mass | the amount of matter in an object |
| matter | things that take up space and has mass (can be a liquid, gas or solid) |
| weight | the force of gravity on an object |
| scale | a device used for measuring weight |
| newton | a unit of force |
| pressure | the force exerted on an object |
| physics | the branch of Science dealing with matter and energy. Scientists who work in physics are called physicists. they study such things as moving objects |
| momentum | the amount of motion of a moving body (mass x velocity) |
| lubricant | a substance such as grease or oil that reduces friction when applied as a surface coating to moving parts |