Search Results

In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

In this activity, learners construct possible food webs for six different ecosystems as they learn about the roles of different kinds of living organisms.

This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.

In this outdoor activity, learners design devices that will catch prey or gather plants.

In this activity, learners will explore the roles of different animals in the food chain. They will create their own food chain using organisms of their choice.