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In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater.

In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.

In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and light reflection

This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.

In this experiment, learners investigate how the size of a wing affects lift. Learners count the number of pennies an egg crate plane wing can hold until the plane will no longer fly.

In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.