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This is a quick, yet dramatic activity/demonstration that introduces learners to the concept of energy transfer. A small ball is placed on top of a large ball and both are dropped together.

In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.

In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with

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

Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.