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In this design challenge, learners will engineer a structure and see if it can survive an earthquake they create.

In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.

This PDF contains 12 calendars (12 months). Each month contains activities about math. Things to do on familiar holidays (like July 4), less common holidays (like Backward Day), and any day.

In this outdoor activity, learners will gather natural materials outside that they think a dinosaur would want to lay its eggs in.

In this activity, learners use objects they find on a nature and water to make creative frozen sculptures.

In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.

In this activity, learners work in small groups to match various marine animals with their different environments.