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RESOURCE	GRADE LEVEL	MEDIA TYPE
City Farm In this interactive game from WGBH, players learn about sustainable practices by growing crops, protecting them against unforeseen problems, and determining how best to conserve resources.	5-10	Interactive
Climate Wisconsin: Ice Cover Ice cover data and long term trends for Lake Mendota and Lake Mendota in Madison, WI can be explored in this interactive resource produced by the Wisconsin Educational Communications Board.	6-12	Interactive
Climate Wisconsin: Temperature Change Investigate observed and projected average annual temperature change in Wisconsin in this interactive resource produced by the Wisconsin Educational Communications Board.	6-12	Interactive
Closed-Loop Systems This interactive activity adapted from the Wisconsin Online Resource Center explores the processes, controls, and components that make up a typical closed-loop system used in automated manufacturing.	9-12	Interactive
Cloud Types This interactive resource, adapted from NASA's S'COOL Project Tutorial, explains how you can classify and identify various types of clouds.	3-12	Interactive
Clues from Past Climates In this interactive produced by ThinkTV, learn how scientists discover clues to past climates that lie hidden in the natural environment, as well as in some surprising historical documents.	6-12	Interactive
Coastal Geological Processes This interactive resource adapted from the National Park Service describes the many forces that affect shorelines, including tides, weathering, erosion, and deposition.	6-12	Interactive
Collisions on an Air Track In this interactive activity adapted from the University of Toronto, observe the effect of mass on momentum in elastic and inelastic collisions.	9-12	Interactive
Compare the Poles Explore the defining features of the Arctic and the Antarctic in this interactive activity adapted from the Woods Hole Oceanographic Institution.	3-12	Interactive
Comparing Fractions: Bubble Gum Blowing Contest In this interactive activity adapted from Anneberg Learner’s Teaching Math Grades 3–5, compare fractions on number lines to determine which class of students wins bubble-gum-blowing contests.	3-5	Interactive
Compost Office This interactive activity from Keep America Beautiful, Inc. uses illustrated text and a game to explain why it is important to compost, the science involved, and the perfect recipe for decomposition.	3-8	Interactive
Computer Networks This interactive activity adapted from the Wisconsin Online Resource Center describes types of computer networks and how they function.	9-12	Interactive
Continental Divide: The Breakup of Pangaea Examine geological evidence found in fossils, rock deposits, and ancient mountains that supports the theory of continental drift in this interactive activity adapted from the Exploratorium.	6-12	Interactive
Cooking with Sugar Find out about the chemistry of candy and how sugar reacts at different temperatures to become fudge, caramel, lollipops, and more in this interactive activity adapted from the Exploratorium.	5-8	Interactive
Covalent Bonding This interactive activity from ChemThink takes a closer look at a covalent bond—how it is formed and how the sharing of two electrons can keep atoms together.	9-12	Interactive
Cow's Eye Dissection In this interactive activity adapted from the Exploratorium, watch videos of a cow eye dissection and see how an eye works.	6-12	Interactive
Create a DNA Fingerprint Learn DNA profiling, the technique police use to catch the guilty and free the innocent. From NOVA: "The Killer's Trail" Web site.	6-12	Interactive
Dance of Development Watch the "dance" of development as a zebrafish egg divides and differentiates on its way to becoming an embryo in this interactive activity adapted from the Exploratorium.	9-12	Interactive
De-Twinkling the Stars Find out why stars twinkle and adjust a telescope to sharpen a star's image in this interactive activity adapted from NASA.	9-12	Interactive
Deforestation in Bolivia This visualization adapted from NASA features two satellite images from 1984 and 2000 that show the dramatic deforestation of the Bolivian rainforest.	6-12	Interactive
Design a Liquid Fuel Rocket Engine Learn about rocket engines, and then design and launch a liquid fuel rocket in this interactive activity adapted from NASA.	9-12	Interactive
Design an Ion Engine Learn about ions and then design an ion engine to maximize thrust in this interactive activity adapted from NASA.	9-12	Interactive
Design: Building a House This collection of images follows the process of building a house from cutting the trees and making the bricks to finishing construction.	K-8	Interactive
The Disappearing Aral Sea This visualization adapted from NASA features satellite images showing how more than 60 percent of the Aral Sea has disappeared during the last 30 years.	6-12	Interactive
Disappearing Milk A magician pours milk into a glass, but when he turns the glass upside down, nothing comes out. How does he do it? Discover the science behind the "magic" in this video adapted from the American Society of Mechanical Engineers.	4-12	Interactive
Discovering Antarctica Take a guided tour of Antarctica by watching brief video segments of its landscape and wildlife in this interactive activity adapted from the British Antarctic Survey.	K-8	Interactive
Dissolving Salts in Water In this interactive activity adapted from Iowa State University, design and carry out an experiment: dissolve salts in water, see how different ionic compounds produce different reactions, and observe the resulting changes in temperature.	8-12	Interactive
DNA Extraction This interactive activity adapted from the University of Nebraska's Plant and Soil Sciences eLibrary illustrates how DNA, which is normally locked inside of cells, is extracted from living tissue.	9-12	Interactive
DNA Libraries This interactive resource adapted from the Dolan DNA Learning Center explores the different types of DNA libraries used to store and access genetic information.	9-12	Interactive
DNA Sequencing This interactive activity adapted from the Dolan DNA Learning Center looks at two techniques used to sequence DNA: the Sanger method and an automated process based on the Sanger method.	9-12	Interactive
Documenting Glacial Change This collection of comparative glacier images adapted from the National Snow and Ice Data Center shows substantial changes in five Alaskan glacier positions over periods of 60 to 100 years.	3-12	Interactive
Dolly Garza: A Tlingit and Haida Scientist In this interactive resource adapted from Raven Radio/KCAW, listen to biologist Dr. Dolly Garza as she explores the sea otter population of Sitka, Alaska, from the perspectives of her tribal heritage and her Western education.	3-12	Interactive
Dress for the Weather Learn more about the seasons and help George dress for the right time of year with this interactive game.	Pre-K-1	Interactive
Dust Explosion In these videos adapted from the Journal of Chemical Education, observe how a material that is usually hard to ignite becomes very flammable when its particles are suspended in air.	6-12	Interactive
Early Exploration of Antarctic Climate In this interactive feature produced by ThinkTV, view historic photos of Admiral Byrd’s expeditions to Antarctica, where he was one of the first explorers and scientists to record weather and climate observations.	6-12	Interactive
Earth in Motion: Seasons This interactive activity from the Adler Planetarium explains the "reasons for the seasons." Featured is a game in which Earth must be properly placed in its orbit in order to send Max, the host, to different parts of the world during particular seasons.	3-8	Interactive
Earth’s Albedo and Global Warming In this interactive activity adapted from NASA and the U.S. Geological Survey, learn about Earth's albedo (the ratio of reflected vs. incident solar radiation), how pollution alters albedo, and how ice-albedo feedback may accelerate global warming.	6-12	Interactive
Electric Charges Interact Experiment with electric charges to find out how they interact in this interactive activity adapted from NASA.	6-12	Interactive
Energy Flow This feature, adapted from Interactive NOVA: "Earth," follows the path of energy as it is transferred via the food chain from one type of organism to another.	K-5	Interactive
Energy in a Roller Coaster Ride See potential energy convert to kinetic energy in this interactive activity from WGBH that shows a roller coaster in action.	3-12	Interactive
Environmental Hazards on the Farm This interactive activity adapted from the National Library of Medicine identifies health hazards found on farms.	6-8	Interactive
Environmental Hazards at the Coast This interactive activity adapted from the National Library of Medicine identifies environmental health hazards in coastal areas.	6-8	Interactive
Environmental Hazards in the City This interactive activity adapted from the National Library of Medicine identifies environmental health hazards in a typical urban or suburban community.	6-8	Interactive
Look At Me Now Children go through countless physical changes during the first year of their life. Look At Me Now, an original KET interactive, depicts a year in the life of a baby through photos, and highlights the changes we experience while growing.	Pre-K-1	Interactive
Exploration of Comets In this interactive activity from NASA, explore the anatomy and life cycle of a typical comet and learn about several comet missions.	6-12	Interactive
Explore Alaska's Volcanoes In this interactive activity adapted from the University of Alaska, explore four of Alaska's many volcanoes using photographs, computer simulations, and three kinds of satellite images.	6-12	Interactive
Explore Colonial Boston Explore the town of Boston and its natural and human-made features in colonial times in this interactive activity produced by WGBH and featuring materials from the Norman B. Leventhal Map Center at the Boston Public Library.	3-5	Interactive
Exploring Tidepools In this interactive activity adapted from the National Park Service, learn about tidepools and then try to identify the organisms that live there.	3-5	Interactive
Fishing for Safe Food This interactive game adapted from the U.S. Environmental Protection Agency is a fun way to learn which types of fish contain low levels of mercury and are safe to eat and which contain high levels and should be avoided.	3-8	Interactive
Frequency In this interactive activity adapted from the University of Utah's ASPIRE Lab, investigate frequency in terms of trampoline jumps, pendulum swings, and electromagnetic waves.	6-12	Interactive