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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 |