Interactive
Annenberg Foundation

Annenberg Learner: The Habitable Planet: Ecology Lab

For Students 3rd - 8th
Create the parameters of your own ecosystem by choosing which producers and consumers live there. Visualize how the food web operates and species populations change. This simulator mimics the food web within a typical ecosystem and gives...
Interactive
Analyze Math

Analyze Math: Cosecant Function

For Students 9th - 10th Standards
The trigonometry tutorial investigates the graph of the cosecant function. The interactive tutorial examines the period, phase shift, and range of the cosecant graph. Learners use the applet to manipulate the parameters of the cosecant...