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In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

In this outdoor activity, learners first explore lizard feeding behavior by creating a "lizard rig" to dangle different objects in front of live lizards and see which objects the lizards try to bite.

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

In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

In this activity, learners use binoculars (or a telescope) to identify and track sunspots. If using binoculars, learners need a pair that can be secured on a tripod.

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

In this activity, learners will decide together on a question about how far, long or high the group could reach together.

In this math lesson, learners participate in several activities where they apply measurement skills.

In this outdoor game, learners simulate a herd of deer trying to survive in an area called the "home range." Learners explore the concept of "carrying capacity"—what size population of an organism can

This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan