# Science Vocab 1

## Terms

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- Speed
- Any change in position.
- Instantaeous speed
- is the rated of the motion at any given instant.
- Constant speed
- A speed that does not vary.
- Average speed
- is the total distance traveled divided by total time of travel.
- Velocity
- Describes both speed and direction of an object.
- Acceleration
- rate change of velocity.
- Force
- is a puch or pull one body exerts on another.
- Balanced Force
- Forces on an object that are equal in size and opposite in direction.
- Net Forces
- and object ALWAYS changes the velocity of the object.
- Inertia
- Is the tendency of an object to resist any change in its motion.
- Kelvin
- SI units for temperature.
- Graph
- is visual display of information or data.
- Meter
- SI base unit of length.
- Volume
- The amount fo space occupied by an object.
- Derived Units
- Units obtained by combining SI units.
- Mass
- Is a measurment of matter in an object.
- Kilogram
- The SI unit of mass.
- Time
- Interval between two events.
- Density
- Mass per unit volume of a material.
- Second
- SI units for time.