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RESOURCE	GRADE LEVEL	MEDIA TYPE
Acid Lake Add acidity to a healthy lake and see what happens to the plants and animals in this interactive activity adapted from EcoKids.	3-8	Interactive
Air Quality Index In this interactive activity adapted from "Air Quality Index: A Guide to Air Quality and Your Health" by the U.S. EPA, learn about common pollutants in the air we breathe, their health effects, and how their levels are reported.	6-12	Interactive
All Systems Are Go Test your knowledge of the digestive, respiratory, and other human body systems in this interactive game from Kinetic City. Race the clock to put Arnold's organs back into his body one system at a time.	5-8	Interactive
American Chestnut Tree This annotated slideshow adapted from KET's Electronic Field Trip to the Forest illustrates how blight decimated the American chestnut tree and the methods scientists use to identify and pollinate the remaining trees to create blight-resistant trees.	6-12	Interactive
Amplitude This interactive activity adapted from the University of Utah's ASPIRE Lab shows how a pendulum's amplitude changes as you set it swinging from different distances from its axis, and how the amplitude of a sound wave changes as you adjust the volume.	6-12	Interactive
Analyzing an Ecosystem In this interactive activity adapted from the University of Alberta, identify the living and nonliving things in an ecosystem. Then look further at the living things to identify the producers, the consumers, and examples of mimicry.	3-8	Interactive
Animal Classification Game Learn about classes of animals and test your ability to identify animals as mammals, birds, reptiles and more in this interactive activity adapted from Sheppard Software.	4-8	Interactive
Animal Cloning 101 Learn about clones and explore the methods scientists use to create clones in the lab in this interactive activity from the Dolan DNA Learning Center.	9-12	Interactive
Antarctic Ecosystem In contrast with its largely lifeless interior, the Antarctic coastal marine environment supports a vibrant and diverse ecosystem. Explore the region's living bounty in this interactive activity adapted from the Woods Hole Oceanographic Institution.	5-12	Interactive
Antarctic Food Web Game In this interactive game adapted from the Bigelow Laboratory for Ocean Sciences, build a food web that illustrates the flow of energy in an Antarctic ecosystem and the relationships between predators and prey.	5-8	Interactive
Arctic Atlas In this interactive atlas adapted from UNEP/GRID-Arendal, explore different environmental features of the Arctic. Select from a list of themes to customize your map, then zoom in to take a closer look at one of six featured regions.	6-12	Interactive
Arctic Ecosystem Despite seemingly inhospitable conditions, the Arctic environment has a vibrant and diverse ecosystem. Explore the life that thrives in this region in this interactive activity adapted from the Woods Hole Oceanographic Institution.	5-12	Interactive
Arctic Sea Ice Satellite Observations In this interactive activity produced for Teachers' Domain, learn how Arctic sea ice has changed over the past 25 years in terms of maximum winter extent, concentration, and the timing of breakup each spring.	6-12	Interactive
Art That Tells a Story This interactive activity, adapted from material provided by the ECHO partners, presents nine art objects and shows how they can reveal different types of stories.	4-6	Interactive
Astronomical Images in Different Wavelengths Visible light is just one portion of the electromagnetic spectrum that a telescope may detect. This collection of images produced for Teachers' Domain features radio wave, infrared, visible light, and X-ray images of distant stars and galaxies as well as images of the telescopes designed to detect the various wavelengths of radiation.	6-12	Interactive
Atmospheric Oxygen In this feature, adapted from Interactive NOVA: "Earth," students explore the relationship between oxygen concentration and the well-being of various organisms by simulating a change in oxygen levels and observing what happens.	3-5	Interactive
The Atom In this interactive activity from ChemThink, take a closer look at atomic structure, properties, and behaviors.	6-12	Interactive
Backyard Wildlife Interactive Squirrels and chipmunks are just two of the animals you might see. Backyard Wildlife, an original KET video, encourages children to explore the world outside their back door.	Pre-K-1	Interactive
Bandwidth and Data Conversion This interactive activity adapted from the Wisconsin Online Resource Center describes the factors that affect the speed of data transfer in computer networking systems and some of the techniques used to increase the data capacity of these systems.	9-12	Interactive
Biodiversity in the Dzangha-Sangha Rain Forest In this interactive activity from the American Museum of Natural History, play "connect the dots" and discover the connections between the people, animals, and plants in three habitats of the Dzanga-Sangha rain forest in the Central African Republic.	5-8	Interactive
Biomes This interactive resource adapted from NASA describes the different temperature, precipitation, and vegetation patterns in seven biomes: coniferous forest, temperate deciduous forest, desert, grassland, rainforest, shrubland, and tundra.	3-12	Interactive
KET Image Bank: Birds Browse through thumbnail images of native birds in this KET Image Bank interactive catalog. Clicking a thumbnail will take you to a larger image for download.	K-12	Interactive
Blood Flow and Thermoregulation In this interactive activity adapted from the University of Alberta, learn about the ways your body can regulate its temperature.	7-12	Interactive
Body Control Center Throughout the day, your nervous system monitors and makes endless adjustments to your body's basic systems -- all to keep you alive. This interactive feature illustrates the complexity of such a task.	6-8	Interactive
Bowhead Whaling and Its Impact This interactive activity, adapted from material provided by the ECHO partners, explores the history of whaling in the Arctic and introduces a landmark study of whale populations.	6-9	Interactive
Build-a-Fish In this interactive activity from Shedd Aquarium, build a fish and then release it into the reef to search for food and evade predators. Try different combinations and observe how each kind of fish has unique adaptations that help it survive in its habitat.	6-8	Interactive
Cancer Nanotech This interactive slideshow adapted from NOVA scienceNOW shows some of the nanoscale structures that scientists are using in the experimental diagnosis, treatment, and prevention of cancer.	9-12	Interactive
Careers in Agricultural and Environmental Technologies This interactive activity produced for Teachers’ Domain explores several career paths available in agricultural and environmental technologies.	6-12	Interactive
Careers in Engineering Technologies This interactive activity produced for Teachers’ Domain explores various career paths in engineering technologies.	6-12	Interactive
Careers in Environmental Health This interactive activity produced for Teachers’ Domain examines some of the career opportunities available in the environmental public health field and describes how the work of professionals in this field directly impacts human health.	9-12	Interactive
Cell Division In this interactive activity adapted from the Exploratorium, explore the step-by-step process by which an animal cell divides to make more cells.	7-10	Interactive
Cell Explorer Explore the parts of a virtual animal cell in this interactive activity adapted from the Exploratorium. Learn about various cell structures and the roles they play in cell division, cellular respiration, and protein synthesis.	7-12	Interactive
Cell Membrane: Just Passing Through This interactive feature describes some of the most important structures and functions of the cell membrane.	6-12	Interactive
Cell Transcription and Translation In this interactive activity adapted from the University of Nebraska, learn how and where transcription and translation occur within a cell and observe both processes in detail.	9-12	Interactive
Cellular Service The goal of this interactive game is to keep a group of target cells healthy by using blood to deliver and take away various substances to and from the cells.	6-8	Interactive
The Chandra X-Ray Observatory Learn about the Chandra X-Ray Observatory's telescope system, science instruments, and spacecraft system in this interactive activity adapted from NASA.	9-12	Interactive
Chemical Bonds This interactive activity developed for Teachers' Domain demonstrates how attractive forces between atoms create chemical bonds, resulting in the formation of molecules and compounds.	9-12	Interactive
Chemical Hazards at Home In this interactive activity from the National Library of Medicine, investigate some of the chemical hazards commonly found in homes.	3-5	Interactive
Circular Motion In this interactive activity featuring videos adapted from the Rutgers PAER Group, observe examples of circular motion. Can you find a common reason why the objects and people presented move in a circle?	6-12	Interactive
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