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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.

In this activity, learners are challenged to design and build a miniature tree house in a potted plant. This activity uses engineering concepts to encourage creativity.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit