# Physics – Unit 1 Review Date: Part 1 ```Mr. Bannerman
Physics – Unit 1 Review
Name: ____________________
Date: ____________________
Part 1: Vocabulary – Define each of the following terms
Standardization – process by which science ensures that a given set of units means the
same thing to all other scientists
Meter – base SI unit of length
Kilogram – base SI unit of mass
Liter – base SI unit of volume
Newton – base SI unit of force
Velocity – speed in a given direction
Speed – change in distance over time
Acceleration – change in velocity over time
Displacement – change in position
Average Velocity – total distance traveled divided by total time elapsed
Instantaneous Velocity – snapshot of the velocity of an object over an infinitely small
time interval
Average Acceleration – total change in velocity divided by total time elapsed
Instantaneous Acceleration – snapshot of the acceleration of an object over an infinitely
small time interval
Gravity – Attractive force between two objects with mass
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