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Eighth graders make and analyze a model that demonstrates the regularity of half-life decay.
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Conserving Canada's Marine Biodiversity
The ocean may seem a world away, but you can actually find it in a science classroom! Learners in the lower grade levels explore the concepts of water pollution, apex predators, the worth of animals, and commercial fishing methods. High...
4th - 12th Science CCSS: Adaptable
Exponential Decay Formula (can skip, involves Calculus)
Sal continues his discussion of decay by showing students the math involved in determining how much a substance is left after one half-life, two half-lives, and even three half-lives have gone by. He sets up a general function of time...
12 mins 7th - 10th Science
New Review Radioactive Dating Game
Uranium 235 has a half-life of over 700 million years and is the fuel used in the atomic bomb dropped on Hiroshima, Japan. Pupils see the half-lives and decay rates of Carbon-14 and Uranium-238. They also take measurements of these two...
6th - Higher Ed Science CCSS: Adaptable