1. 9/23/10 Day 16 TOPIC: Motion Diagrams & Word Descriptions
OBJECTIVE: I can describe uniform motion through a written description
STARTER: Draw the corresponding motion diagram for the runner during this 3 second time interval.

2. Motion Diagrams Word Descriptions from a Motion Diagram:
Basic Descriptors:
the origin, away from the origin
Direction: positive, negative, or other
Speed: Constant, Increasing, Decreasing, or stopped
Time: How many units of time

3. Word Descriptions from a Motion Diagram:
You might write:
The car started at the origin and moved in the positive direction at a constant speed for 4 units of time.
Complete 1.5 Motion Diagrams and Descriptions & #2 and #3 on the back

4. DRAWING Motion Diagrams from Word Descriptions:
Please draw this motion diagram on one reference line:
Alex walked from his front door to his mailbox at a constant speed in the positive direction. It took him 4 seconds.
2. He stopped at his mailbox for 4 seconds
3. Alex returned home at a constant speed in 3 seconds

5. Write a verbal description
Angela walks as shown in the motion diagram below. Explain what she does.