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Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float.

In this indoor or outdoor water activity, learners pour water from small cups to large cups and containers. In doing so, they discover water takes the shape of its container.

In this activity, learners make different shapes that hold exactly one mole of gas (air).

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