1. Warm Up!!! The Warm Up is located at the printer.

2. Friday’s Engineering Challenge: THE COTTON BALL CATAPULT When you are done, please write the following steps of the scientific method on Page ___:  Question: How far can a Cotton Ball be launched using basic household materials?  Background Information: N/A  Hypothesis: I predict my catapult will launch my Cotton Ball ____ meters in ____ seconds.  Procedure: Using the materials given, the following catapult was designed: (SKETCH and LABEL your design)

3. After launching… Analyze Results: My catapult launched my Cotton Ball ____ meters. – Data Chart for all Teams: (Draw from Board) Conclusion: My hypothesis was ___________. I could make my catapult better by _________ _____________________________________.

4. Some Videos http://www.youtube.com/watch?v=oaZRhoxt HKY http://www.youtube.com/watch?v=oaZRhoxt HKY http://www.youtube.com/watch?v=XtZ_3ZvFk hg http://www.youtube.com/watch?v=XtZ_3ZvFk hg

5. For the remaining time… Calculate the Speed of each group’s Cotton Ball trial to see which group’s Cotton Ball traveled the fastest.