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Modeling Food Webs in Darién, Panama
6th - 12th CCSS: Adaptable
New ReviewIt's a jungle out there! Young biologists journey to Darien, Panama to examine the intricate relationships between the organisms that inhabit the jungle. Groups begin by demonstrating an understanding of energy flow in ecosystems, then...
Algae: Tiny Plants with Big Energy Potential
5th - 7th
New ReviewMy, what big energy potential you have! Scholars learn about the energy potential of using algae as a biofuel. A PowerPoint presentation first describes the structure of algae and then how researchers use algae as biofuel to produce energy.
Equal and Opposite Thrust in Aircraft: You're a Pushover!
7th - 9th CCSS: Designed
New ReviewIt's the law—every action requires a reaction, no matter how small. Pupils experience two demonstrations of Newton's third law of motion as it relates to thrust in the 10th segment of a 22-part unit on flight. Using their mathematical...
Properties of Mixtures vs. Solutions: Mix It Up!
5th - 7th
New ReviewNow it becomes crystal clear why the unit is called Mixtures and Solutions. The fifth installment of a six-part unit explores mixtures and solutions. After viewing a demonstration on mixing pebbles with water, salt with water, and...
Flow Rates of Faucets and Rivers
5th - 8th CCSS: Designed
New ReviewGo with the flow and use a helpful resource. A set of two activities has learners investigate flow rates. They first determine the flow rate of a faucet by measuring how long it takes to fill a bucket. Using the results, they make a...