My husband, Rob, is teaching Algebra II this year and ran across half-life with natural logs. Once in awhile, I get to teach a unit on Nuclear Energy, usually when the class is especially attentive, diligent about their work, and we aren’t bogged down during Stoichiometry. So, rarely, unless it’s a college class. Start here with Radioactive Pennies. The kids will need 100 pennies to toss in a shoe box. Nuclear Connect has Half-Life with paper, M&Ms, pennies, or puzzle pieces. Make sure the kids understand what half-life is. NOAA has this explanation of half-life. Here is an excellent overview about carbon dating and Otzi, the Iceman, discovered in the Otzal Alps. Otzi is a fascinating topic and often sparks loads of interest in the science surrounding him. I usually include this radioactive decay activity for U-238. (Key) These topics circle around to the age of Earth. I believe God created the heavens and the Earth. God spoke, “Bang!”, it happened. The rest is all details.
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