An awesome website that gives a good hint on how to build a simple marshmallow catapult using popsicle sticks, a spoon, and rubber bands.

Like before, Diigo won't let me add this link, so here it is!

http://www.devincollier.com/how-to-build-a-simple-small-marshmallow-catapult/

A great website that shows many different catapults that students could create in their classes, and also discusses the science behind catapults!

Once again, Diigo won't let me post this link, so here it is!

http://kidsactivitiesblog.com/55055/15-easy-catapults-to-make

A great source of information that details what project based learning is all about in simple, and easy to understand terms.

Here is the link for this site, Diigo is not letting me post this website I found, but here it is!

http://www.educationworld.com/a_curr/problem-based-learning-tips-ideas.shtml