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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 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 explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

This activity has three story puzzles learners can solve to learn about life in the Arctic.

In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

Learners will build and experiment with their own windmills made from simple household materials.

In this activity, learners will turn an ordinary tray of sand into a desk-top garden for meditation.

In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.