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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.

In this activity, a lightbulb is placed in front of a concave mirror. The actual lightbulb is not visible to the viewer, but the viewer can see the mirror image of the lightbulb formed in space.

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

In this chemistry challenge, learners identify which plants have the enzyme "catalase" that breaks hydrogen peroxide into water and oxygen.

In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.

This activity (located on page 2 of PDF) introduces learners to the real size of animals using nonstandard measurement.

In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.

During this interactive "survival" game, students learn about the importance of camouflage and how it helps animals to blend into their surroundings, as either predator or prey.

In this outdoor activity/field trip, learners catch and observe water striders to explore their movement and feeding behaviors.

Using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, learners study the role of light in photosynthesis.

In this set of outdoor games, learners play the role of monkeys that are trying to get enough resources (food, shelter, and space) to survive.

In this cooperative learning activity, learners visit ten stations and are challenged to think critically about various conservation questions and issues.

In this multi-faceted game (on pages 25-35), learners recreate what happens to creatures in the Brazilian rain forest as they grow from egg to adult—especially those that use fallen, empty Brazil nut

In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island.

This is an outdoor activity designed to demonstrate evolution of feeding behavior in flocking, schooling or herding animals that maximizes allocation of food resources and enhances survival.

In this activity about light and reflection, learners discover that what you see is often affected by what you expect to see.

This is an activity (located on page 3 of the PDF under Nanosilver Activity) about diffusion of small molecules across cell membranes.

In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

In this open-ended multicultural lab activity, learners investigate the effectiveness of herbal remedies.

In this outdoor activity and fun race, learners first find the most common type of tree in a forest site.