Half Life Lab
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Seventh graders model radioactive decay using pennies, collect data from their model, apply scientific visualization techniques to their data and create animated models explaining the concept of radioactive half-life.
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Life (and Fewer Deaths) After Seat Belts
Seat belts reduce serious crash-related injuries and deaths by about half. Scholars continue crashing their cart with a crash test dummy into a wall, but this time, they experiment with different types of seat belts to reduce injuries....
7th - 12th Science CCSS: Adaptable
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 Engineering the Half Pipe—Science of the Winter Olympic Games
There are no tricks here! Young scholars learn about the concept of centripetal acceleration by studying the design of the snowboarding half pipe. A video lesson describes how the half pipe design affects the motion of the boarders.
5 mins 6th - 12th Science CCSS: Adaptable
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