PS CH 7 - Vocabulary Review

1. The distance an object travels per unit of time

• velocity

• speed

• acceleration

• free fall

1. Speed in a given direction.

• speed

• velocity

• acceleration

• north

A point or object used for comparison to determine if an object is in motion.

• tag point

• reference frame

• reference point

• way point

The overall rate at which an object moves calculated by dividing the total distance traveled by the total time.

• average velocity

• average speed

• instantaneous speed

• instantaneous acceleration

The steepness of a graph line; the ratio of the vertical to the horizontal change

• graph

• decline

• slant

• slope

A system of units used by scientists to measure the properties of matter.

• International System of Units

• International Metric System

• International House of Pancakes

• System of International Units

The speed of an object at one instant of time

• Average speed

• Average velocity

• instantaneous speed

• instantaneous velocity

The state in which one object’s distance from another is changing

• motion

• reference point

• parallax

• resolution

The rate at which velocity changes

• speed

• velocity

• acceleration

• time

The length of the path between two points

• volume

• capacity

• distance

• slope