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In this activity, learners discover why some nanoscale science and technology is done in the controlled environment of a clean room, what clean rooms are like, and how scientists help keep the clean r

In this environmental education demonstration (page 6 of the PDF), learners will see a tangible representation of the scarcity of soil resources on earth.

In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon sequestra

In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes.

In this data analysis activity, learners quantify the abundance and distribution of sea scallops in and adjacent to the Mid-Atlantic closed areas.

In this engineering activity, challenge learners to invent a water filter that cleans dirty water.

In this online activity, learners find out whether they are smart enough to survive as a plant.

In this activity, learners explore how engineers work to solve the challenges of a society, such as efficient planting and harvesting.

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation.

This is an online game about the complexities of farming. Learners will "draw" cards and make decisions about how to take care of their farm.

In this activity, learners explore the concept of valve operation and how engineers have adapted valves for use in mechanical heart valve design.

In this activity, learners use sieves with different-sized holes to sort balls by size.

In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.

In a series of three experiments, learners explore the basics of biotechnology using self-locking plastic baggies. Each experiment demonstrates a phenomenon or principle of biotechnology.