tray investigation #1

• we put the marble pop-out
• found out that in most places it cant go straight down
• thinks its a triangle
• the white part is not flat and it stops the marble sometimes.

??? How come sometimes it will come out straight and other times it will go crooked?

Grading of Class Effort 1/6/10

Contributions to Class Discussions: C
On-time: A
Attitude: B
Work Ethic: B
Self-Reflection/Self-Analysis and Open Criticsm: C

Happy New Year!!

First comment of the Year!! its wierd, because i've lived in 3 decades, but i'm not even 15 yet. Strange