Reading: Walker, sections 2-2 and 2-3 (pages 20-24)
Do the Walker reading before the pre-reading question.
Pre-Reading question: Tell in words how you can find the speed of something. Now, how can you find its velocity?
Phet sim: http://phet.colorado.edu/en/simulation/moving-man
Videos of the 4 scenarios:
No after-reading question tonight.