How Does Your Hair Know How Long to Grow?
Students explore how hairs know how long to grow despite not having nerves or eyes. They are introduced to the observed growth rates and lengths of phases in the hair growth cycle.
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Unit 2: Global to Local: Understanding My Place in the Hydrosphere
What does the ground around your home have to do with water pollution? Young ecologists learn about their local watershed and create their own cause-and-effect models of the hydrosphere.
6th - 8th English Language Arts CCSS: Designed
New Review Water We Going To Do?
How has human activity affected Earth's watersheds? An action-packed lesson plan, part of the K20 series, examines water's ability to go with the flow regardless of what is in its path. Scholars build model watersheds, examine time-lapse...
6th - 10th Science CCSS: Adaptable
How to Make a Hurricane on a Bubble
Pop! Does your class know that bubbles help us understand our planet, molecular structure, and more? The video teaches how to create colorful vortices on a bubble using basic equipment. Then it explains other interesting ways scientists...
4 mins 6th - 12th Science CCSS: Adaptable
The Food Chain
How does the amount of water required to grow alfalfa impact ice cream prices? The PBS food science video, part of a larger playlist, explains how farmers use water to grow the alfalfa that is fed to dairy cows. the video introduces the...
1 min 4th - Higher Ed Science CCSS: Adaptable