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Forms of Energy

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S: Forms of Energy

BC: Neville Gossett Mixbook Forms of Energy

1: Forms of Energy GPS: S8P2. Students will be familiar with the forms and transformations of energy. b. Explain the relationship between potential and kinetic energy. What Is Energy? Energy makes change possible. We use it to do things for us. It moves cars along the road and boats over the water. It bakes a cake in the oven and keeps ice frozen in the freezer. It plays our favorite songs on the radio and lights our homes. Energy is needed for our bodies to grow and it allows our minds to think. Scientists define energy as the ability to do work. Modern civilization is possible because we have learned how to change energy from one form to another and use it to do work for us and to live more comfortably. There are many forms of energy, but they can all be put into two categories: potential and kinetic.

2: Potential energy is stored energy. There are several forms of potential energy: Chemical Energy is energy stored in the bonds of atoms and molecules. Batteries, biomass, petroleum, natural gas, and coal are examples of stored chemical energy. Mechanical Energy is energy stored in objects by tension. Compressed springs and stretched rubber bands are examples of stored mechanical energy. Nuclear Energy is energy stored in the nucleus of an atom — the energy that holds the nucleus together. Very large amounts of energy can be released when the nuclei are combined or split apart. Nuclear power plants split the nuclei of uranium atoms in a process called fission. Gravitational Energy is energy stored in an object's height. The higher and heavier the object, the more gravitational energy is stored. When you ride a bicycle down a steep hill and pick up speed, the gravitational energy is being converted to motion energy. Hydropower is another example of gravitational energy, where the dam "piles" up water from a river into a reservoir.

3: Chemical Energy | Mechanical Energy | Nuclear Energy | Gravitational Energy

4: Kinetic energy is motion —of waves, electrons, atoms, molecules, substances, and objects. There are several forms of kinetic energy: Radiant Energy is electromagnetic energy that travels in transverse waves. Radiant energy includes visible light, x-rays, gamma rays and radio waves.. Thermal Energy, or heat, is the vibration and movement of the atoms and molecules within substances. As an object is heated up, its atoms and molecules move and collide faster. Geothermal energy is the thermal energy in the Earth. Motion Energy is energy stored in the movement of objects. The faster they move, the more energy is stored. Wind is an example of motion energy. Sound is the movement of energy through substances in longitudinal (compression/rarefaction) waves. Sound is produced when a force causes an object or substance to vibrate — the energy is transferred through the substance in a wave. Electrical Energy is delivered by tiny charged particles called electrons, typically moving through a wire. Lightning is an example of electrical energy in nature.

5: Radiant Energy | Thermal Energy | Motion Energy | Sound | Electrical Energy

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  • By: Neville G.
  • Joined: about 7 years ago
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  • Title: Forms of Energy
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  • Started: about 7 years ago
  • Updated: about 7 years ago