Use the timeline below to select up to 20 seconds to watch or share.
4sLookin' out the window, that's a paddlin'.
4.07sStarin' at my sandals, that's a paddlin'.
4.19sPaddlin' the school canoe, ooh, you better believe that's a paddlin'.
2.67sAll right. So, the compression and expansion...
3.69sof the longitudinal waves cause the erratic oscillation--
2.89syou can see it there-- of the neighboring particles.
3.09sYes? What is it? What? What is it?
0.5sCan I play with it?
1.8sNo, you can't play with it.
2.09sYou won't enjoy it on as many levels as I do.
4.3sThe colors, children. Wow-wee!
5.02sOkay, when I call your name, uh, you say "Present" or "Here."
2.97sNo, say "Present." "Anita Bath."
3.9sAll right. Settle down. Anita Bath here?