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Estuaries
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An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.
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Cool Tool
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In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.
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Gaming in the Outdoors
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In this set of outdoor games, learners increase their awareness of the outdoor environment by going on a scavenger hunt and an out-of-place hunt.
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Shoebox Dinosaur Dig Site
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In this activity, (on page 6 of the PDF under SciGirls Activity: Dinosaurs) learners participate in a hands-on fossil excavation.
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Collect Invertebrates to Determine Water Quality
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This activity (located on page 3 of the PDF under GPS: Alligator Habitat Activity) is a full inquiry investigation into organisms and the health of their ecosystems.
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Who Can Harvest a Walleye?
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This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.
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Help Wanted
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In this interactive board game, learners "hire" different types of scientists to help canine character Ruff Ruffman solve unusual problems.
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Hot Stuff!: Investigation #2
Learners test two jars containing hot water, one covered with plastic and one open, for changes in temperature.
The Blue Crab's Chesapeake Journey
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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
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Sink or Swim?
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In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.
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Canned Heat
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In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.
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Evolution in Action: Isolation and Speciation in the Lower Congo River
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In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.
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Mapping a Study Site
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In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.
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Make Your Own Deep-Sea Vent
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In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.
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Size, Scale and Models
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In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.
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Building a Magic Carpet
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In this activity (page 89 of the PDF), learners compare and contrast pitch and roll motions by using a Magic Carpet maze similar to one that was used for Neurolab investigations about microgravity.
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Can Nutrients in Water Cause Harm?
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In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.
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Breathing Machine
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In this activity, learners work in teams to construct human lung models from small plastic beverage bottles and balloons.
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Home Water Audit
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This activity offers learners and their families several ways to raise their awareness together about home water.
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Ocean in a Bottle
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In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.