Given that a+b=0, Sal finds an expression equivalent to a*b. [1:34] Khan …
Given that a+b=0, Sal finds an expression equivalent to a*b. [1:34]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
In this video segment adapted from Hope in a Changing Climate, learn …
In this video segment adapted from Hope in a Changing Climate, learn how an environmentally devastated ecosystem has been restored, benefiting both the local economy and global efforts to fight climate change.
Students investigate the ways in which ancient technologies six types of simple …
Students investigate the ways in which ancient technologies six types of simple machines and combinations are used to construct modern buildings. As they work together to solve a design problem (designing and building a modern structure), they brainstorm ideas, decide on a design, and submit it to a design review before acquiring materials to create it (in this case, a mural depicting it). Emphasis is placed on cooperative, creative teamwork and the steps of the engineering design process.
Look at the molecular structure of DNA. Investigate nucleotides, nitrogenous bases, and …
Look at the molecular structure of DNA. Investigate nucleotides, nitrogenous bases, and phosphates. [13:00]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
This video segment adapted from NOVA relates the dramatic story of vulcanologists …
This video segment adapted from NOVA relates the dramatic story of vulcanologists trying to predict the timing of the cataclysmic eruption of Mount Pinatubo in the Philippines.
This interactive activity adapted from A Science Odyssey Web site helps you …
This interactive activity adapted from A Science Odyssey Web site helps you visualize different types of plate tectonic activity and shows the impact this activity has on Earth's surface.
This interactive activity adapted from A Science Odyssey Web site helps you …
This interactive activity adapted from A Science Odyssey Web site helps you visualize different types of plate tectonic activity and shows the impact this activity has on Earth's surface.
This detailed educator's guide provides a lesson in designing the structure of …
This detailed educator's guide provides a lesson in designing the structure of a spacecraft. The design challenge contains pre-lab activities and instructions for how to test the models.
This is a wonderful way to explore the US Constitution. The actual …
This is a wonderful way to explore the US Constitution. The actual text of the Constitution comes first, then an excellent explanation of the text follows. In addition, most of the Amendments have essays by scholars on opposing sides of judicial interpretations, so students can understand some of the legal conflicts that arise around the Constitution. Students can also perform a keyword search, explore by topic, and search the text by Supreme Court decisions.
Nitrogen, one of the most abundant elements in the universe, is essential …
Nitrogen, one of the most abundant elements in the universe, is essential to life. This interactive activity adapted from the University of Alberta provides an overview of the nitrogen cycle.
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