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Basic Definitions, Examples, and Answers of all Things Energy

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Basic Definitions, Examples, and Answers of all Things Energy

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I heard stuff about it but don't quite understand the topic.

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Energy is the capability for something to do work. An example of energy is simply walking or riding a bike. There are two main sides of energy, kinetic energy and potential energy. Kinetic energy is when you are currently using the energy. An example of this type of energy is swimming. Swimming is kinetic energy as you are using energy to do that action in the moment. On the other hand, potential energy is when you store energy for later use. Furthermore, an example of this is the food in your pantry. Since you are not going to eat all the food right now, you are saving the food/energy for later to give to your body. Under those energy branches are 6 forms of energy, electrical, radiant/light, chemical, mechanical, sound, and thermal energy.

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What is the Law of Conservation of Energy?

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What is the Law of Conservation of Energy?

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The Law of Conservation of Energy simply states that energy cannot be created or destroyed. An example that enforces this law is when an electric engine converts from electric energy to mechanical energy. This proves the law as no energy is destroyed or lost in the process. The energy only goes through the process of energy transformation.

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Energy transfer is when energy goes from one location to another. Energy transfer makes the energy move but does not change the form of energy. An example of energy transfer is when a bat hits a ball. Although some of the bat's energy moves to the ball the energy stays in the same form.

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What is the meaning of energy transformation?

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What is the meaning of energy transformation?

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Energy transformation or energy conversion is the action of changing energy from one form to another. Two examples of energy transformation are a toaster going from electrical to thermal energy and your body going from chemical energy from digesting your food to mechanical energy because you are moving.

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Work is defined as using force to change or move something. Anything that has energy in it can do work. For example, simply walking is work because you are applying force to the ground when walking. You are additionally changing something by going from one place to another.

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Energy waste happens when energy is produced but is not used or not used efficiently. An example of this is a lightbulb. When the bulb is turned on, it emits electrical, light, and thermal energy. Thermal energy would be the waste energy in this case as it is difficult to use this form of energy to do work. It is also energy waste as when we turn on a light, most of the time we are looking for light and not heat.

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Light or radiant energy is a type of kinetic energy that carries energy by light. You can recognize this form of energy by the eye. Light energy is a form of electromagnetic radiation produced by heated objects. Light energy contains photons that are minute sets of energy. Light energy also has wavelengths between 380 and 750 mm that are additionally visible. An example of light energy is our sun. The sun is an example of light energy as it carries energy through light and the sunlight can be seen by the eye.

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Electrical energy is energy that is connected to forces of electrically charged particles. This energy is also carried by the charged particles. It is called current electrical energy when the particles move from place to place. An example of this energy is charging a phone. Whenever you are charging your phone, you are using charged particles to do so.

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Thermal energy is energy that is in a system that is responsible for its temperature. Heat is the main part of thermal energy. The amount of thermal energy that a substance has is based on the temperature and the amount of matter in that object. A heated piece has more thermal energy than a cold item would have. An example of thermal energy is a hot teapot. A hot teapot will have way more thermal energy than a glass of cold water would have.

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Mechanical energy is simply defined as the ability of an object to do work. Mechanical energy is based on the motion or position an object is in. Mechanical energy can be used to move, lift, and hold objects. An example of mechanical energy is dancing as the body is moving and sometimes lifting itself to dance.

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Sound energy is a form of energy that is produced by vibration. To add, sound energy carries energy through sound waves which travel to our ears. Sound waves are capable of going through all the forms of matter, solids, liquids, and gases. For example, when playing loud music in another room, energy is carried by sound waves that move through the solid walls and into our ears. This is the main reason why we can hear music.

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Chemical energy is energy that is stored in the bonds of matter and chemical compounds. Chemical energy can be released in chemical reactions that are mainly in the form of temperature which is called an endothermic and exothermic reaction. The bonds of atoms in food and fuel hold a lot of chemical energy. However, when fuel is burned the bonds of atoms break and chemical energy is produced. An example of chemical energy is coal as it is burned to convert chemical energy into heat.

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Elastic energy is mechanical potential energy that is stored in a configuration of a material or physical system. This type of energy occurs when an object is temporarily compressed, stretched, or deformed in any type of way. Once in these conditions, the object can additionally release elastic energy by returning to its original form and shape. The amount of elastic energy an object has is determined on the elastic properties of the object and the degree of deformation. An example of elastic energy is a stretched rubber band as it is out of its original form and shape.

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Nuclear energy is energy that is released during nuclear fusion or fission. Nuclear energy is also stored within the nucleus of an atom. This energy keeps the subatomic particles of the atom's nucleus together. Nuclear fission is when an atom and its nucleus split. This causes nuclear energy to be released. Nuclear fusion, on the other hand, is when atomic nuclei combine which causes nuclear energy to release.

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*Bonus* G r a v i t a t i o n a l 🌏 E n e r g y

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*Bonus* G r a v i t a t i o n a l 🌏 E n e r g y

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Gravitational energy is a type of potential energy that is stored in an object because of its height above the Earth. The amount of gravitational energy relies on the mass of the object, the strength of gravity, and the distance from the center of gravity. This type of energy is additionally capable of being converted into other forms of energy. An example of gravitational energy is a marker being held above a table. The marker held above the table will have more gravitational energy than a marker that is on the table instead.

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Energy can change. Evidence to support this answer is when you eat something and then go ride your bike, the energy will go from chemical to mechanical energy. This is because when you digest your food that is chemical energy and when you are biking that is mechanical energy because you are doing work. Another reason why energy can change is because of the words called 'energy transformation.' Energy transformation allows for energy to change from one form to another. Although energy can change forms, no energy is being created or destroyed.

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Energy CANNOT be created or destroyed. This is all because of the Law of Conservation of Energy. This law states that no energy can either be created or destroyed. So, in conclusion, NO, energy cannot be created or destroyed.

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Q3) Can an object transfer more than one type of energy?

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Q3) Can an object transfer more than one type of energy?

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An object can transfer multiple types of energy. This is first possible because of the words called 'energy transfer.' Energy transfer is when energy transfers from one location to another. For example, if you are about to light a fire with a match, a match contains potential thermal, light, and chemical energy. Once you light that match and make a fire, that energy has now transferred and transformed into kinetic thermal, light, and chemical energy. That energy then transfers again to the oxygen through the gas that was produced by the fire. The following evidence proves the point that an object can transfer multiple forms of energy.

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Energy flows through a system through the sun and organisms. For example, the sun is the main energy source, allowing plants to go through photosynthesis and produce their own energy. Then come animals and humans that eat those plants, and they gain the energy that those plants have gathered through the sun. Next, there comes more animals and humans that eat those animals and then they gain the energy of the animal they just ate. Finally, the cycle goes on and on. Looking at the upper photo the girl’s body is digesting the food she ate and has chemical energy. That food all runs back to the sun. All in all, all that we eat can be seen to originate from the sun which is how energy flows through a system.