How Old Is This Tree?
Students work in pairs to determine the age of a tree using two different methods in this experiment. They collect data about how trees change over time.
9th - 12th Science 3 Views 15 Downloads
New Review Monitoring Amphibians
What sort of shoes do frogs wear? Open toad sandals. If your scholars want experience collecting field samples, this is the instructional activity for you. After learning the proper way to collect field samples, pupils catch amphibians...
6th - 10th Science CCSS: Adaptable
New Review Things Are Not Always What They Seem
Science is magic that works. Magical color-changing beads and a coffee can that follows voice commands are just two examples of magic tricks that rely on science. After completing a hands-on activity and an experiment investigating the...
9th - 12th Science CCSS: Adaptable
Is Our Climate Headed for a Mathematical Tipping Point?
Raising the global temperature by two degrees may not seem like much, but the impact this would have on the planet is amazing. Follow along with this short video as it examines how even a small change to a system can turn its regular,...
4 mins 7th - 12th Math CCSS: Adaptable
What Triggers a Chemical Reaction?
Chemical reactions are happening all around us every second of every day, but what exactly causes these changes to occur? Using easy-to-understand analogies, this video explains how the concepts of enthalpy and entropy determine the ways...
4 mins 9th - Higher Ed Science CCSS: Adaptable
Cloudy Climate Change: How Clouds Affect Earth's Temperature
While clouds may not make for the most enjoyable weather, they play an important role when it comes to regulating the temperature of the earth. Watch this video and learn how these giant masses of water droplets actually help to cool the...
7 mins 7th - Higher Ed Science CCSS: Adaptable
New Review Sliders (for High School)
Slip sliding away. Groups investigates the two types of friction by running an experiment that allows them to calculate the coefficient of static friction and the coefficient of kinetic friction. The experiment uses a box, a basket, and...
9th - 11th Science CCSS: Designed
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