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Whatta Web
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In this activity, learners play a game to simulate the food chain.

Energy Sources
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In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.

Energy For Life
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.

Clipbirds
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In this simulation of natural selection, learners use binder clips in three different sizes to represent the diversity of beak sizes in a bird population.

Population Game
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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

Composting Bioreactor
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In this activity (page 19 of the PDF) learners will create a soda bottle bioreactor by exploring the science of composting, comparing variables such as reactor design, moisture content, and nutrient r

Junk-in-the-Box
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In this outdoor activity, learners explore how a surprising number of animals use human-made litter, such as cans and crumpled paper, to find food and shelter in their environment.

Animal Scent
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This activity (on page 3 of the PDF under GPS: Animal Scent Activity) is a full inquiry investigation into animal behavior.

Algae in Excess
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Plants need nutrients to grow. This is why we apply fertilizers to grass and food crops. In this activity, learners will explore how fertilizers can affect lakes and other bodies of water.

Biological Succession in a Microecosystem
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This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.

Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

Breathing Yeasties
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In this life science activity (page 8 of the PDF), learners explore the carbon cycle by mixing yeast, sugar and water.

Sensational Seaweed
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In this culinary activity, learners use multiple senses (sight, smell, touch, and taste!) to explore real seaweed samples.

Clippy Island: An Investigation into Natural Selection
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In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called 'Clippy Island.' L

Busted by Biology
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In this two-part activity, learners will extract their own DNA from their cheek cells and learn how DNA is analyzed and used to solve crimes.

Engineer A Bird Feeder
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In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

For the Birds
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In this activity, learners will explore nature by creating food for birds. Learners will develop fine motor skills and engage in nature observation through this activity.

Freezing Lakes
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In some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature.

What's in the Water?: Biotic and Abiotic Elements in Aquatic Ecosystems
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In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water ecosystem.

Green Travelers
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In this activity (on pages 23-29), partners use the Plant Traveler Cards, along with a world map and map worksheets, to follow plants such as cassava, chocolate and coffee that grew first in one part