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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.

In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look.

In this group activity, learners use some common objects and work together to simulate the Coriolis effect. During the challenge, learners make predictions and test different scenarios.

In this data analysis activity, learners quantify the abundance and distribution of sea scallops in and adjacent to the Mid-Atlantic closed areas.

In this activity, learners use simple items to construct a device for indicating air pressure changes.

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.

In this activity related to climate change, learners create and explore topographical maps as a means of studying sea level rise.

In this activity, learners collect worms and then observe how they move.

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

In this data analysis activity, learners use data collected by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to study Chilean sea bass populations.

In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

This demonstration/activity helps learners understand why higher elevations are not always warm simply because "hot air rises." Learners use a tire pump to increase the pressure and temperature inside

In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of powdery

In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

This lesson introduces learners to the world of nematodes (roundworms).

In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth.

In this data collection activity about crabs, learners use data from the Virginia Institute of Marine Science (VIMS) trawl survey to determine the areas of the Chesapeake Bay that are being used by bl

In this activity, learners use simple items to construct a device for indicating air pressure changes.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.