https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:fuel-types-and-uses-i/v/common-fuel-types-and-uses 2025-08-08T21:39:42.49220884Z Common fuel types and uses Fossil fuels, including petroleum, coal, and natural gas, originate from different organic materials and have varied uses and environmental impacts. Nuclear fuel, another nonrenewable energy source, provides a high energy yield but poses challenges with radioactive waste. With growing needs for energy, integrating renewable sources into our energy source mix is important. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/22835b37-9755-473c-aa4d-dcdee9de9c1e_1280_720_base.png Common fuel types and uses Fossil fuels, including petroleum, coal, and natural gas, originate from different organic materials and have varied uses and environmental impacts. Nuclear fuel, another nonrenewable energy source, provides a high energy yield but poses challenges with radioactive waste. With growing needs for energy, integrating renewable sources into our energy source mix is important. https://cdn.kastatic.org/ka-youtube-converted/_N6BfGeC1dY.mp4/_N6BfGeC1dY.mp4 275 Non-renewable and renewable energy resources https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:intro-to-energy-resources-and-consumption/v/renewable-and-nonrenewable-energy-resources 2025-08-08T21:39:42.49220884Z Renewable and nonrenewable energy resources Energy sources are categorized into renewable and nonrenewable types. Nonrenewable energy sources are those that exist in a fixed amount and involve energy transformation that cannot be easily replaced. Renewable energy sources are those that can be replenished naturally, at or near the rate of consumption, and reused. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/4a933d4d-ab94-44f6-bbad-d41266274892_1280_720_base.png Renewable and nonrenewable energy resources Energy sources are categorized into renewable and nonrenewable types. Nonrenewable energy sources are those that exist in a fixed amount and involve energy transformation that cannot be easily replaced. Renewable energy sources are those that can be replenished naturally, at or near the rate of consumption, and reused. https://cdn.kastatic.org/ka-youtube-converted/G2lQFo69_hc.mp4/G2lQFo69_hc.mp4 181 Non-renewable and renewable energy resources https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:intro-to-energy-resources-and-consumption/a/renewable-and-nonrenewable-energy-sources 2024-06-21T23:15:14.703721694Z Renewable and nonrenewable energy sources Review your understanding of renewable and nonrenewable energy sources in this free article aligned to AP standards. article https://www.khanacademy.org/science/middle-school-earth-and-space-science/x87d03b443efbea0a:earth-and-society/x87d03b443efbea0a:natural-resources/v/natural-resources 2026-04-22T04:30:43.362363602Z Natural resources Humans adapt and thrive using natural resources. Natural resources are things found in nature that can be used by humans. Renewable resources can be replaced over human lifetimes. Nonrenewable resources cannot. Both renewable and nonrenewable resources are unevenly distributed across Earth's surface. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/717cb286-7da3-443b-b8e4-1bc5e7ff3a19_1280_720_base.png Natural resources Humans adapt and thrive using natural resources. Natural resources are things found in nature that can be used by humans. Renewable resources can be replaced over human lifetimes. Nonrenewable resources cannot. Both renewable and nonrenewable resources are unevenly distributed across Earth's surface. https://cdn.kastatic.org/ka-youtube-converted/sIM0PGv8h08.mp4/sIM0PGv8h08.mp4 236 Non-renewable and renewable energy resources https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:fuel-types-and-uses-i/a/distribution-of-natural-energy-resources 2024-06-17T18:23:34.095981159Z Distribution of natural energy resources Review your understanding of the distribution of natural energy resources in this free article aligned to AP standards. article https://www.khanacademy.org/science/middle-school-earth-and-space-science/x87d03b443efbea0a:earth-and-society/x87d03b443efbea0a:natural-resources/a/natural-resources 2022-07-28T07:11:01.209511384Z Natural resources Review your understanding of natural resources in this free article aligned to NGSS standards. article https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:fuel-types-and-uses-i/a/fossil-and-nuclear-fuel-extraction 2024-06-17T18:23:34.095981159Z Fossil and nuclear fuel extraction Review your understanding of fossil and nuclear fuel extraction in this free article aligned to AP standards. article https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/e/natural-resources 2026-04-15T04:20:43.780498197Z Natural resources Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/e/sources-of-energy-renewable-and-non-renewable 2026-04-15T04:20:43.780498197Z Sources of Energy (Renewable and non-renewable) LO: Sources of energy (fuel, food, biogas, wind, hydro, solar etc). Revathi exercise https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/v/growingappetites 2020-06-23T07:22:40Z Growing appetites, limited resources Our ability to capture and convert energy into more usable forms has helped shape human society. Now we face a growing need for alternative energy sources and innovative technologies. NOVA video https://cdn.kastatic.org/googleusercontent/1Mzm_V6HDtzLL8QUeNY0bYeqzT_C6G47BMuk5Htgb2YQZAt9X10U0G1-gtJV5B30PTvYlYAJCBZ0-jtqKnoQTcO2 Growing appetites, limited resources Our ability to capture and convert energy into more usable forms has helped shape human society. Now we face a growing need for alternative energy sources and innovative technologies. https://cdn.kastatic.org/ka-youtube-converted/_W1ApWgsIug.mp4/_W1ApWgsIug.mp4 145 Non-renewable and renewable energy resources https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/e/growing-appetites--limited-resources-quiz 2021-06-05T01:51:54Z Growing appetites, limited resources quiz Try this quiz about energy demand and resources. NOVA exercise https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/v/energydefined 2020-06-23T07:22:42Z Energy defined There are textbook definitions of energy, and then there's the energy we experience in our daily lives. So what is energy, and why are we on a never-ending search for new sources?   NOVA video https://cdn.kastatic.org/googleusercontent/9ul8AQEf2ZgXQym0kT8-m5CCooJMC7M3QcFLqQN7IdLJehhIonf2K6URINeX6SYl6BsSa-lSXIl-HapakFA2MB_n Energy defined There are textbook definitions of energy, and then there's the energy we experience in our daily lives. So what is energy, and why are we on a never-ending search for new sources?   https://cdn.kastatic.org/ka-youtube-converted/pb6-DcMEYq4.mp4/pb6-DcMEYq4.mp4 162 Non-renewable and renewable energy resources https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/e/energy-defined-quiz 2021-06-05T02:02:35Z Energy defined quiz Try this quiz about energy basics. NOVA exercise https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/v/puttingenergy 2020-06-23T07:22:41Z Putting energy to use Society has been revolutionized by our ability to convert energy into different, more useful forms. As fossil fuels become harder to find, scientists look for new energy sources to power our lives.   NOVA video https://cdn.kastatic.org/googleusercontent/apLvJCVSKYM9Nfx2n52i_WBNvIhavT1QZ3ZF3irZHJYoO-tjSW4k5onOJHlP9BKiHVJ8ctNZDZxgf3YLhxPDCoc Putting energy to use Society has been revolutionized by our ability to convert energy into different, more useful forms. As fossil fuels become harder to find, scientists look for new energy sources to power our lives.   https://cdn.kastatic.org/ka-youtube-converted/J4gnfV7rz-4.mp4/J4gnfV7rz-4.mp4 135 Non-renewable and renewable energy resources https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/e/putting-energy-to-use-quiz 2021-06-05T01:49:36Z Putting energy to use quiz Try this quiz about how we use energy. NOVA exercise https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:fuel-types-and-uses-ii/a/hydroelectric-power 2024-06-21T23:15:14.703721694Z Hydroelectric power Outlines the advantages and disadvantages associated with three forms of hydropower. article https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/v/neverendingsupply 2020-06-23T07:22:42Z Never-ending supply Renewable energy sources might just be the answer to a sustainable future. What makes an energy source renewable, and how can we use these sources to power our societies well into the future?   NOVA video https://cdn.kastatic.org/googleusercontent/JP0G3kt2QGYlWwKFsaaKMhJy9kXSAESiXhf82XxWN9vi_ne35mnMDhwK393kwlBUoeHed9lUDjgdv8hjrBRqDvuf Never-ending supply Renewable energy sources might just be the answer to a sustainable future. What makes an energy source renewable, and how can we use these sources to power our societies well into the future?   https://cdn.kastatic.org/ka-youtube-converted/_osI4x5XOzA.mp4/_osI4x5XOzA.mp4 165 Non-renewable and renewable energy resources https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:intro-to-energy-resources-and-consumption/a/global-energy-use 2024-06-21T23:15:14.703721694Z Global energy use Review your understanding of global energy use in this free article aligned to AP standards. article https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/e/never-ending-supply-quiz 2021-06-05T01:51:05Z Never-ending supply quiz Try this quiz about renewable energy sources. NOVA exercise https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:fuel-types-and-uses-ii/v/solar-energy 2022-11-08T01:12:28.564445794Z Solar energy 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 video https://cdn.kastatic.org/ka_thumbnails_cache/6ed88dc3-2bc9-4ad3-94ea-75036232983a_1280_720_base.png Solar energy 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. https://cdn.kastatic.org/ka-youtube-converted/OVODBZUJAYE.mp4/OVODBZUJAYE.mp4 408 Non-renewable and renewable energy resources https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/v/solarpower 2020-06-23T07:22:40Z Solar power The Sun is a reliable energy source that we can harness and convert into electricity in several ways. So why are renewable and clean solar energy systems not used more widely? NOVA video https://cdn.kastatic.org/googleusercontent/nZJ2GAfoX_WMvD5RJ71vnkM7dWq7uHYPNUMMYa4x4bpvvNmqzUcFixkVu3xM9SZtNWW40YnqMxcevx_jj2QyNR1c Solar power The Sun is a reliable energy source that we can harness and convert into electricity in several ways. So why are renewable and clean solar energy systems not used more widely? https://cdn.kastatic.org/ka-youtube-converted/m74bMrxhBkw.mp4/m74bMrxhBkw.mp4 181 Non-renewable and renewable energy resources https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/e/solar-power-quiz 2025-10-14T06:00:52.124614167Z Solar power quiz Try this quiz about solar power. NOVA exercise https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/v/windpower 2020-06-23T07:22:40Z Wind power Unlike the water-pumping windmills that inspired them, modern wind turbines generate electricity. But several engineering puzzles must still be solved to make wind power available in all communities.   NOVA video https://cdn.kastatic.org/googleusercontent/agMvP1XRZWVQbHFJOZqkoMyWKfsDUQrL94ZWKCMxLotZKfzTunEKrHcN5Tt_ZSr0ZYnWHIXheXOeo7B8Rhtkllo Wind power Unlike the water-pumping windmills that inspired them, modern wind turbines generate electricity. But several engineering puzzles must still be solved to make wind power available in all communities.   https://cdn.kastatic.org/ka-youtube-converted/SQpbTTGe_gk.mp4/SQpbTTGe_gk.mp4 154 Non-renewable and renewable energy resources https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:energy/x19bc096754f0b9af:non-renewable-and-renewable-energy-resources/e/wind-power-quiz 2021-06-05T01:56:42Z Wind power quiz Try this quiz about wind power. NOVA exercise https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:energy-resources-and-consumption/x0b0e430a38ebd23f:fuel-types-and-uses-ii/a/geothermal-energy 2024-06-21T23:15:14.703721694Z Geothermal energy Geothermal energy uses heat from the Earth to heat or cool air, or to produce electricity. article https://www.khanacademy.org/science/teacher-resources-ngss-science-domain/x2811526c37de0eab:hands-on-science-activities/x2811526c37de0eab:high-school-physics-activities/a/activity-how-can-motion-produce-electricity 2026-01-26T00:30:32.82909804Z Activity: How can motion produce electricity? Make science come alive in your classroom with this free hands-on activity aligned to high school standards. article https://www.khanacademy.org/science/strengthened-shs-earth-and-space-science-1/x006d5d274c051fd7:earth-s-materials-and-resources/x006d5d274c051fd7:energy-sources/e/need-and-conservation-of-energy 2025-02-13T13:40:25.85838563Z Need and conservation of Energy Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:relationships-of-organisms-with-one-another-and-with-the-environment/x2a084a90105205d2:effects-of-humans-on-ecosystems/a/earths-changing-climate 2022-08-23T02:49:49.979347426Z Earth's changing climate Review your understanding of climate change in this free article aligned to NGSS standards. article