Archive for the tag: Academy

Solar Energy| Energy Resources and Consumption| AP Environmental science| Khan Academy

Energy Efficiency No Comments »

Keep going! Check out the next lesson and practice what you’re learning:
https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:fuel-types-and-uses-ii/e/fuel-types-and-uses-ii

Passive solar energy systems absorb heat directly from the sun without the use of mechanical and electric equipment, and energy cannot be collected or stored. Active solar energy systems use solar energy to heat a liquid through mechanical and electric equipment to collect and store the energy captured from the sun. Photovoltaic solar cells capture light energy from the sun and transform it directly into electrical energy. Their use is limited by the availability of sunlight.

Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!

Donate or volunteer today! Donate here: https://www.khanacademy.org/donate

Volunteer here: https://www.khanacademy.org/contribute

Credits:

“Greenroof” by pnwra [Public domain], via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Green_Roof_(460698511).jpg

“Santa Fe adobe” by Carol m [Public domain], via Wikimedia Commons:
https://en.wikipedia.org/wiki/Adobe#/media/File:Santa_Fe_adobe.jpg

“Home awnings” by Conarty [Public domain], via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Home_Awnings.jpg

“Thermal solar collector” by Norbert Nagel [Public domain], via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Solar_heating_system_-_Thermosolaranlage_-_M%C3%B6rfelden-Walldorf_-_Germany.jpg

“Ivanpah” by Craig Butz [Public domain], via Wikimedia Commons:
https://en.wikipedia.org/wiki/Ivanpah_Solar_Power_Facility#/media/File:Ivanpah_Solar_Power_Facility_from_the_air_2014.jpg

“Heliostats” by Alexchris [Public domain], via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Type_of_Concentrated_solar_power.png

“Mersin CSP field” by Kohsman [Public domain], via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Mersin_CSP_field.jpg

“Solar calculator” by Rfassbind [Public domain], via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Solar_calculator_casio_fx115ES_crop.jpg

Recycling for Kids | Recycling Plastic, Glass and Paper | Recycle Symbol | Kids Academy

Alternative Energy No Comments »

Recycling for Kids | Recycling Plastic, Glass and Paper | Recycle Symbol | Kids Academy

Thousands of parents and educators are turning to the kids’ learning app that makes real learning truly fun. Try Kids Academy with
3-day FREE TRIAL! https://bit.ly/2GuGyL2

Recycling for Kids | Recycling Plastic, Glass and Paper | Recycle Symbol | Earth Day

Let’s learn about recycling. Recycling is a process that involves improving disposable things. Or, it is a process to turn used waste and materials into useful products. The concept of recycling allows us to make our environment clean, as it keeps the collection of harmful bottles and materials at a minimum.

In other terms, if you think about what is recycling—it is a process that involves converting waste and useless materials into something useful, which could be used for later purposes.

We should encourage recycling in our society, as it is responsible for keeping the environment free from any harmful materials, which cannot be decomposed into a natural landfill.
Kids should know about recycling so they could take a step forward to make the environment clean.

A majority of the recyclable items include; bottles, wrappers, plastic containers, etc.

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Creating Energy - From Non-Recycled Plastics!

Watch the full-length version to learn more: https://www.youtube.com/watch?v=1YUMHAtzuJY

New technologies are transforming used, non-recycled plastics into oil, fuels, and petroleum-based products. These plastics-to-fuel technologies are helping recover clean energy from plastics that can’t be economically recycled.
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Flow of energy and matter through ecosystem | Ecology | Khan Academy

Alternative Energy No Comments »

Seeing how energy and matter flows and is recycled from primary producers (autotrophs) to primary, secondary and tertiary consumers.

Watch the next lesson: https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/v/biogeochemical-cycles

Missed the previous lesson? Watch here: https://www.khanacademy.org/science/biology/ecology/intro-to-ecosystems/v/ecosystems-and-biomes

Ecology on Khan Academy: Why are polar bears found only in the Arctic? Why does mildew grow in your shower and not (hopefully) in your sock drawer? Learn how ecologists study the interactions between organisms and their environment, and how these interactions affect where, and in what numbers, different types of organisms are found.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We’ve also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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