Natural Selection Simulation Using Utensils – submitted by David Tillmann and David Boshra

The following link provides a classroom activity that illustrates how a population can change to adapt to a changing food source. Students use utensils such as clothespins to model how animals obtain food.  A variation of this activity was shared by David and David with their  colleagues at UofT Faculty of Education. Continue reading

How Did Dinosaurs Get So Huge?

Part of why we’re so fascinated with extinct dinosaurs it’s just hard for us to believe that animals that huge actually existed. And yet, they existed! From the Jurassic to the Cretaceous Periods, creatures as tall as a five-story building were shaking the Earth.

Produced in collaboration with PBS Digital Studios:

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