The Puzzle of the Ice Age Americans
Students describe alternative theories for how the first humans came to the Americas, and explain evidence that supports or contradicts these theories. They examine the role of skepticism in scientific inquiries.
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Exploring Potential Human Impacts
Arctic sea ice reflects 80 percent of sunlight, striking it back into space; with sea ice melting, the world's oceans become warmer, which furthers global warming. These activities explore how humans are impacting ecosystems around the...
6th - 12th Science CCSS: Adaptable
New Review Historical Climate Cycles
Ice core samples give scientists access to climates of old—those from more than 800,000 years ago. Through an analysis of various temperature graphs from ice cores, tree rings, and weather stations, scholars compare historical climates...
10th - 12th Science CCSS: Adaptable
Methane Hydrates – What's the Big Deal?
Have you ever tried to light ice on fire? With methane hydrate, you can do exactly that. The ice forms with methane inside so it looks like ice, but is able to burn. The lesson uses group research and a hands-on activity to help scholars...
9th - 12th Science CCSS: Adaptable
Human PreHistory 101 Part 2: Weathering the Storm
The last ice age occurred around 20,000 years ago. What were the conditions like? How did our ancestors survive them? These questions are briefly explored in a three-minute video clip. See how in a relatively short time, humans spread...
3 mins 6th - 12th Science