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In this fun hands-on activity learners explore a simple machine: the lever. What happens to a load when you multiply the length of a lever? Find out here!

In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.