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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

Many people get water from a source deep underground, called groundwater.

An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.

Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water.

April showers bring May flowers, but what do coastal storms bring?

In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?

Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

In this environmental science and data analysis activity, learners work in groups to track a Dead Zone (decreased dissolved oxygen content of a body of water) using water quality data from the Nutrien

In this activity, learners make a model of a one-way heart valve to investigate how a heart controls the direction of blood flow.

Bones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly.

In the wild, small crustaceans known as brine shrimp live in marine habitats such as saltwater lakes.

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 investigate the food, water, and space needs of common livestock animals.

In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

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