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In this outdoor activity, learners find out the color of food that jays prefer and then try to change the birds' preference by altering the taste of the food with salt.

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.

In this activity, learners will examine various world data maps to combine the information and predict which areas could be tropical rainforests.

Learners build a wind turbine and test it to see how much energy is created.

In this activity, learners make a flip book that shows the progression of two solar events on reversible sides of the flip book.

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.

In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.

In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.

In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.

Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.

Learners use beach profile data from a local beach or online data from Ocean City, Maryland to investigate coastal erosion and sediment transport.

Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice.

In this activity, learners measure and calculate the amount of cubic feet various containers contain. Next, learners investigate cubic feet per second (cps), by carrying jugs in one second.

In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.

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.

In this data analysis and environmental science activity, learners examine the effects of pollution on amphipods using data from the Chesapeake Ecotox Research Program.

In this activity, learners investigate the food, water, and space needs of common livestock animals.

In this outdoor activity and game, learners collect and sort leaf samples to determine how many types of plants grow in the activity site.

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