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This model explores the stability of predator-prey ecosystems. Such a system is called unstable if it tends to result in extinction for one or more species involved. In contrast, a system is stable if it tends to maintain itself over time, despite…

Immune Attack is a supplemental teaching tool, designed to be used in addition to middle school and high school biology textbooks. Immune Attack introduces molecular biology and cellular biology in detail that is usually reserved for college…

Variety of games based on Sid the Science Kid is a half-hour PBS Kids series that debuted on September 1, 2008. The computer generated show is produced by Jim Henson Productions and KCET in Los Angeles, California using the Henson Digital Puppetry…

What does it take to survive on Mars? You'll find out in this lab as you design a microbe and release it on the Martian surface. Will it survive or perish? Your design of an extreme microbe will be key!

Whyville is an onling game environment geared towards preteens and children. Its goal is to engage its users in learning about a broad range of topics, from science and business to art and geography.

Whyville has received a number of awards from…

In Quest Atlantis, there are a number of ways in which Questers can participate, in which these ideas are integrated, but three structures are most evident: Quests, Missions, and Units.

* Quests are curricular tasks that serve as important…

Review the vertical stratification that occurs in a tropical rain forest. Select an animal to watch National Geographic footage and read more about how the animal survives in the rain forest. Play “Who Am I” and see if you can match the survival…

A food web is a model that shows a complex network of food chains in an ecosystem. In this activity, you can click on an organism in the arctic food web to see its relationship to other organisms and abiotic factors. Watch National Geographic footage…

An offshore oil platform located in the Gulf of Mexico is scheduled to be dismantled via explosives. The local marine life, including two endangered sea turtle species (hawksbills and leatherbacks), is vulnerable to damage and thus needs to be…

Ever wonder how energy gets from a heap of biomass to a streetlight? Then Transform It! is the game for you. Assemble contraptions out of components like furnaces, turbines, and generators in order to convert energy from a source (e.g. chemical…