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Learners see that a carrot slice sinks in fresh water and floats in saltwater.

In this activity, learners build a 1:140 "scale model" of NASA's X-33 Reusable Launch Vehicle (RLV) Technology Demonstrator, and investigate how the model dimensions compare to the real vehicle.

In this activity, learners examine the culture and history of the tomb site.

In this activity, learners work in teams to construct human lung models from small plastic beverage bottles and balloons.