Physics 4-4-18 Sound Intensity and Resonance

PHYSICS: Great discussion of intensity and resonance today! Were you okay with the problems?

Couple of items to apply for further contemplation – so how does the whole hearing thing work? I mean, I know the little bones in your ear move, but why? Is resonance involved? Great item for application/discussion! And here’s another – so how in the world did that crystal glass shatter?


flickr photo by Morning Guitar

Chemistry 4-4-18 Multiple Covalent Bonds

CHEMISTRY: Are your eyes playing tricks on you yet? 🙂 Great job working with multiple bonds with Lewis structures today! Here’s our discussion from on double and triple covalent bonds.

Be careful about getting too happy with double bonding – count electrons and don’t forget CONS. And what else? Oh yes, PRACTICE, PRACTICE, PRACTICE! We’ll put another twist on Lewis structures tomorrow!