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Non-Renewable Energy
Last Updated: 13 May 2024
Non-renewable energy sources have long been the backbone of global energy production, powering economies and societies for centuries. These energy sources, primarily fossi...
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Renewable Energy
Last Updated: 23 July 2025
Renewable energy refers to energy that is derived from natural resources that are constantly replenished, such as sunlight, wind, rain, tides, waves, and geothermal heat. ...
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Barometer
Last Updated: 23 July 2025
Barometer is an device in the study of meteorology. It is used to study atmosphere and weather phenomena. A Barometer is a scientific tool used to measure the atmospheric ...
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What Is the Atmosphere?
Last Updated: 23 July 2025
The atmosphere is a layer of gases that surrounds the Earth. The atmosphere is made up of different layers, such as the Troposphere, Stratosphere, Mesosphere, Thermosphere...
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Celestial Bodies
Last Updated: 23 July 2025
Celestial Bodies are all-natural bodies seen in the sky outside the Earth’s atmosphere. Celestial Bodies are also called Heavenly Bodies. Celestial Bodies include stars, p...
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Non Contact Force
Last Updated: 23 July 2025
Non-contact force is a type of force that acts between two bodies without there being any actual contact between them. A force is a push or pull upon a body of any mass re...
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CBSE Class 8 Science Notes 2023-24
Last Updated: 21 August 2025
CBSE Class 8 Science Notes 2023-24 is a comprehensive guide for CBSE Class 8 students. The Class 8 syllabus is designed to provide students with a strong foundation in the...
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CBSE Physics Class 8 Notes
Last Updated: 23 July 2025
GeeksforGeeks came up with a unique outlook to School Learning by providing CBSE Class 8 Physics notes. Since science is an integral subject of School Learning so is Physi...
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Contact and Non Contact Forces
Last Updated: 20 January 2026
A force is a push or a pull that can change the state of motion of an object. Forces are broadly classified into contact forces and non-contact forces. Contact forces act ...
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What is a Star? Formation, Life Span, Constellations
Last Updated: 05 August 2021
The night sky is filled with brilliant stars. Stars, like the sun, emit their own light. The Sun is millions of times further distant than the stars. As a result, they see...
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How do we hear?
Last Updated: 30 May 2026
Sound is produced by vibrating objects and travels as sound waves. The ear is a vital sense organ that receives these vibrations and sends signals to the brain for interpr...
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Force
Last Updated: 02 April 2026
Force is defined as an external cause that a body experiences as a result of interacting with another body. Whenever two objects interact, a force is exerted on each objec...
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Mechanics
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Chemical Effects of Electric Current
Last Updated: 23 July 2025
Chemical reactions occur when an electric current flows through a conducting material. This chemical action of electric current is termed the Chemical Effect of Electric C...
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Pressure in Physics
Last Updated: 06 February 2026
Pressure is defined as the force acting perpendicular to a surface per unit area. When the same force is applied over a smaller area, the pressure increases, and when appl...
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Mass and Weight
Last Updated: 25 April 2026
Mass and weight are fundamental concepts in physics that help us understand how objects behave under the influence of forces, especially gravity. In everyday life, these t...
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