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

In the wild, small crustaceans known as brine shrimp live in marine habitats such as saltwater lakes.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

In this activity, learners investigate the food, water, and space needs of common livestock animals.

This activity (page 3 of the PDF under SciGirls Activity: Dinosaurs) is a full inquiry investigation into fossil hunting and identification.