Why is Excretion Necessary for Life?
Students describe and explain the function of each part of the excretory system. They discuss how the body uses the excretory system and identify diseases of the system.
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Life-Cycle Thinking and Personal Carbon Footprint
A comprehensive lesson on product life cycle, energy consumption, and personal carbon footprint is described in this resource. Lead high school environmental science buffs through the complex process of product production and discussions...
8th - 12th Science
Free Willy? An Argument Analysis of the Controversy over Captive Killer Whale Populations
An abused captive or a treasured performer? Class members conduct an analysis of arguments presented by both sides regarding the captive killer whale population, labeling those claims that can be supported and those that need additional...
11th - 12th Science CCSS: Designed
Could Comets Be the Source of Life on Earth?
For thousands of years people have observed comets as they pass through the solar system, but could there be more to these celestial bodies than meets the eye? Watch this video to learn how these objects have recently been found to...
4 mins 7th - 12th Science CCSS: Adaptable
Why is Yawning Contagious?
How can a bodily function be contagious? It is a question scientists and psychologists are still grappling with, but some of the leading hypotheses are presented here in the case of the contagious yawn. Most likely, it is something we...
5 mins 6th - 12th Science CCSS: Adaptable
Why Is Biodiversity So Important?
There are millions of plant and animal species on the planet, but why do we need so many? Follow along with this short video as it explains how biodiversity helps strengthen ecosystems, allowing them to adapt to change so that life...
4 mins 6th - 12th Science CCSS: Adaptable