20110922



Here's the big idea: **Some materials are naturally radioactive; others can be made radioactive.** =Video Clips=
 * [[image:CarbonNucleus.png width="62" height="64" caption="Zooming In!" link="@home"]] || [[image:ER_HomerNuclearWaste.png height="64" caption="The Simpsons" link="@http://www.safeshare.tv/w/iOlHJWPkri"]] || [[image:ER_RadonLimerick.png height="64" caption="Limerick PA" link="@http://www.teachersdomain.org/asset/phy03_vid_radon/"]] || Brain Tumor || [[image:ER_IrradiatedVeg.png height="64" caption="Irradiated Veg" link="@http://www.safeshare.tv/w/gwwnUycNlK"]] ||

=Build an Atom!= Follow the link above, and click on Run Now! Explore what you can build with just protons, neutrons, and electrons!

=ER3: Stable & Unstable Atoms=

=Catch-up Work=

=Added Challenge?= Grab the ER_atomicnu document from my Teachers folder, and try to fill in the blanks.

include component="page" page="Quotations"