A Peek at the Past: Gradualism vs. Punctuated Equilibria
Pupils consider two sets of simulated fossils (caminalcules) that are provided as cutouts. They arrange them on two time scales. One set produces a visual example of gradualism, the other shows punctuated equilibria.
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Understanding the Greenhouse Effect
The greenhouse effect is important, for without it, life on Earth would not exist. An activity that includes modeling the greenhouse effect and acting out the Earth's energy balance makes up the first part in a series of seven lessons....
7th - 9th Science CCSS: Adaptable
New Review Diversity of Living Things
Here's a topic classes can really dig—the fossil record. Use the well-organized and thoughtful road map to take eighth graders back in time to unearth the answer. Learn how our climate has changed, and how organisms have changed along...
8th Science CCSS: Designed