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In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

In this online Flash game, learners take to the skies in a hot air balloon and are challenged to beat other balloonists' times to the finish line without crashing.

MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.