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Science Vocabulary
Term | Definition |
---|---|
Motion | The action or process of moving or being moved. |
Speed | A way of measuring how quickly something is moving or being done. |
Velocity | The speed of something in a given direction. |
Acceleration | Increase in the rate or speed of something. |
Force | Strength or energy as an attribute of physical action or movement. |
Newton | It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second. |
Net Force | Is the overall force acting on an object. |
Friction | The resistance that one surface or object encounters when moving over another. |
Gravity | The force that attracts a body toward the center of the earth, or toward any other physical body having mass. |
Weight | Is the force of gravity on an object. |
Mass | Is a dimensionless quantity representing the amount of matter in a particle or object. |
Inertia | A property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force. |