Just How Small is a Nanoparticle?
Students determine the size of a nanoparticle. In small groups, they calculate the actual size of a particle shown in a photo, and discuss how they arrived at their answers.
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New Review What Is the "Greenhouse Effect"?
Enough talk about the Greenhouse Effect—let's actually look at it! Junior climatologists engage in a simple thermodynamics experiment on a cold winter's day to examine global warming. The activity simulates rising carbon dioxide levels...
6th - 12th Science CCSS: Adaptable
Investigating How Electricity is Generated
What is the real cost of electricity? The real cost is not just the price you pay, but the environmental and economic costs as well. Scholars build, use, and judge the effectiveness of a turbine. They also investigate the environmental...
9th - 12th Science CCSS: Adaptable
How Small Is An Atom? Spoiler: Very Small
The hydrogen in your body is exactly the same as the hydrogen in the sun. The video explains just how small an atom is and offers comparisons, such as the one above, to help facilitate understanding. It also presents the current model of...
5 mins 9th - Higher Ed Science CCSS: Adaptable
New Review How Big is the Moon?
How many football fields would fit on the moon? Although it appears small in the night sky, the distance from Earth makes its size misleading. A quick video lesson from the Kurzgesagt playlist helps scholars understand the size of the...
2 mins 9th - Higher Ed Science CCSS: Adaptable
Why the Arctic Is Climate Change's Canary in the Coal Mine
What happens in the Arctic doesn't always stay in the Arctic. Follow along with this short video as it investigates how small changes in the temperature of Arctic regions can have dramatic effects on the global climate through a series...
4 mins 7th - 12th Science CCSS: Adaptable
How Small Are We in the Scale of the Universe?
There are so many galaxies in the universe that the vast majority of them are too distant for the human eye to perceive. An astronomy video discusses the Hubble Telescope's Deep Field image from 1995 and the eXtreme Deep Field image...
4 mins 6th - 12th Science CCSS: Adaptable