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Ancient trash tells archaeologists a lot about the past. In this activity, learners take a close look inside their trash can and think about the clues it offers about their lives.

In this activity, learners make homemade journals featuring seashell rubbings. First, learners transfer the texture of a seashell onto a piece of paper using a crayon.

In this activity, learners will explore how animal in cold areas stay warm.

In this activity, learners will explore how different bird beaks work and discover what birds can eat based on their beak shape.

In this archaeology-related activity, learners build their own time capsule and choose a storage location and a date to reopen it.

In this activity, learners will create their own coral polyps - the basis for a coral reef.

In this engineering design challenge, learners make a bird and then control its flight with attached strings.

In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl

In this activity (17th on the page), learners investigate why you cannot see colors in dim light.