Students build a saltwater circuit, which is an electrical circuit that uses …
Students build a saltwater circuit, which is an electrical circuit that uses saltwater as part of the circuit. Students investigate the conductivity of saltwater, and develop an understanding of how the amount of salt in a solution impacts how much electrical current flows through the circuit. They learn about one real-world application of a saltwater circuit — as a desalination plant tool to test for the removal of salt from ocean water.
This animation adapted from NASA shows the orbital paths of spacecraft in …
This animation adapted from NASA shows the orbital paths of spacecraft in NASA's Earth Observing Fleet that are a source of wide-scale, primary research about Earth.
Science and education experts caution that climate-change topics can overwhelm and frighten …
Science and education experts caution that climate-change topics can overwhelm and frighten young children. Science lessons chosen for this article focus on general environmental issues, such as the effects of litter, air pollution, and water pollution. The lessons also include actions and solutions to environmental issues. The free, online magazine Beyond Weather and the Water Cycle focuses on integrating age-appropriate science learning with literacy experiences.
Science Over Everything is a blog dedicated to helping middle and high …
Science Over Everything is a blog dedicated to helping middle and high school students understand current events in science and why they are relevant to their daily lives. Our site is intended to be a resource for teachers, providing each blog post with classroom activities to help the students comprehend what they are reading and fit the articles in a school's curriculum.
Join us as atmospheric and climate scientists will be talking about atmospheric …
Join us as atmospheric and climate scientists will be talking about atmospheric rivers. We'll be engaging attendees in community science and sharing how you can collect data from the comfort of your home. Finally, something new to tell your friends "what's up!
In this video segment adapted from the College of Menominee Nation, tribal …
In this video segment adapted from the College of Menominee Nation, tribal members share examples of how seasons are changing, and how these changes are affecting local plants.
This issue of the free online magazine, Beyond Penguins and Polar Bears, …
This issue of the free online magazine, Beyond Penguins and Polar Bears, examines how elementary teachers can introduce the Arctic and Antarctica and use science, geography, literacy, and technology to help students compare and contrast these two dramatically different areas as well as their own home.
In this adapted ZOOM video segment, cast members calculate how much water …
In this adapted ZOOM video segment, cast members calculate how much water they each use during a typical shower. They compare their results to their original predictions.
Students learn about contamination and pollution, specifically in reference to soil in …
Students learn about contamination and pollution, specifically in reference to soil in and around rivers. To start, groups use light sensors to take light reflection measurements of different colors of sand (dyed with various amounts of a liquid food dye), generating a set of "soil" calibration data. Then, they use a stream table with a simulated a river that has a scattering of "contaminated wells" represented by locations of unknown amounts of dye. They make visual observations and use light sensors again to take reflection measurements and refer to their earlier calibration data to determine the level of "contamination" (color dye) in each well. Acting as engineers, they determine if their measured data is comparable to visual observations. The small-scale simulated flowing river shows how contamination can spread.
Students learn the basics about soil, including its formation, characteristics and importance. …
Students learn the basics about soil, including its formation, characteristics and importance. They are also introduced to soil profiles and how engineers conduct site investigations to learn about soil quality for development, contamination transport, and assessing the general environmental health of an area.
In this video from DragonflyTV, follow the investigation of Isaac and Anjali …
In this video from DragonflyTV, follow the investigation of Isaac and Anjali as they record, measure, and analyze data about how the Sun's position in the sky affects a solar-powered car's speed.
In this activity, students learn how engineers use solar energy to heat …
In this activity, students learn how engineers use solar energy to heat buildings by investigating the thermal storage properties of some common materials: sand, salt, water and shredded paper. Students then evaluate the usefulness of each material as a thermal storage material to be used as the thermal mass in a passive solar building.
In this video segment adapted from ZOOM, cast members assemble a solar …
In this video segment adapted from ZOOM, cast members assemble a solar still and make fresh water from saltwater, demonstrating two steps of the water cycle, evaporation and condensation.
In this lesson, students explore solid waste and its effects on the …
In this lesson, students explore solid waste and its effects on the environment. They will collect classroom trash for analysis and build model landfills in order to understand the process and impact of solid waste management. Students will understand the role of engineers in solid waste management.
Spreadsheets Across the Curriculum/Geology of National Parks module. Students use the geometric …
Spreadsheets Across the Curriculum/Geology of National Parks module. Students use the geometric mean and multiplicative standard deviation to examine the right-skewed distribution of nutrient concentrations in water-quality data at Mammoth Cave National Park.
Join the Spark Squad and explore the worlds of marine energy and …
Join the Spark Squad and explore the worlds of marine energy and hydropower! The Spark Squad comic book follows middle school students as they learn about water power technologies.
In this video profile produced for Teachers' Domain, meet conservationist Steve MacLean, …
In this video profile produced for Teachers' Domain, meet conservationist Steve MacLean, an Inupiaq from Barrow, Alaska, who works to preserve the health of the Bering Sea ecosystem.
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