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In this fun group activity involving music and movement, learners are introduced to the idea that many insects walk by using their legs to create "alternating triangles." Learners sing the "Ants Go Ma

This fun and simple hands-on astronomy activity lets learners experiment with marbles and weights to discover some basics about gravity and black holes.

An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.

This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.

In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.

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

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.