Graphing On News Today

And third laws, graphing on coordinate plane, linear growth, estimate collection -- not terribly complicated stuff but can sound boring. what do you guys do? >> we try to create fun ways to give the teacher an opportunity to grab the attention of the opportunity. we have some egg drop drills and some other race car -- balloon races, things that you can get the attention of the kids first and foremost. and then be able to teach them about the laws of motion and so forth. >> how do you choose the ...