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In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.

In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

In this physics activity, learners will explore buoyancy.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.