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In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems.

The Chinese invented paper made from plants and cloth about 2,000 years ago. Learners follow a similar process to make paper from recycled paper.

In this activity about olfaction (7th activity on the page), learners use natural ingredients to concoct their own perfume.

In this activity, learners explore how composites work by creating and testing their own composite for an imaginary company.

In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

In this activity, learners investigate passive solar building design with a focus solely on heating.

This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.

Learners shred used paper, add water, and blend it into pulp. They then strain and roll the pulp out to make new paper.