Search Results

In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.

This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.

In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.