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# Different Forms of Energy

Science Homework c:
by

## Meilien Lam

on 24 February 2014

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#### Transcript of Different Forms of Energy

Notes
Conduction
Molecules!
Examples
What is Energy?
Energy is described as 'the ability to do work' by physicists, scientists that study force, motion and energy.
Kinetic Energy
Kinetic Energy is the energy of moving objects or objects that are in motion. Whether the objects is moving vertically or horizontally, it is considered as Kinetic Energy.
Sound Energy
Energy that moves and travels in vibrating waves that exist in the air is called Sound Energy. This energy is produced when an object or substance vibrates, which is caused by a force.
Thermal Energy
Thermal, or Heat, energy is energy that comes, obviously, from heat. Thermal energy is measured with temperature and is described as either 'hot', when the temperature is high, and 'cold', when the temperature is cold.
Electric Energy
Electrical energy is energy that is run through an electrical circuit or electrical conductor. It is to describe the movement of particles that are charged, or electrons.
Potential Energy
Potential Energy can be applied as the opposite of Kinetic Energy. If Kinetic Energy is the movement of objects, then Potential is the energy that is stored in an object.
Forms of Energy
Energy is found in everything; the food we eat, cars, light bulbs, rocks and more, and has many different forms.
Different Forms of Energy
Some different forms of energy are:
Kinetic Energy
Sound Energy
Thermal/Heat Energy
Electric Energy
Potential Energy
"The larger and faster the object is, the more kinetic energy is possess."
This statement can be shown with an experiment with two balls.
One ball is smaller than the other!
If both both balls were dropped into a bowl of water, we'll notice that the smaller ball creates a less splash than the other.
The vibrations create sound waves which go through several 'mediums', like water and air, before reaching human ears.
Sound waves
Conduction is the term that explains how heat energy is distributed. Heat energy is distributed when two objects meet, letting both sides of molecules to transfer heat energy. If one object is colder than the other, the warmer object transfers heat energy to the colder, making the molecules speed up, thus becoming warmer. The warmer object will also cool, as its molecules will slow down.
The temperature of any object rises or drops depending on how fast the object's molecules are. The faster they are, the higher the temperature and vice versa.
This will continue until both objects are the same temperature. This is also known as equilibrium.
An example of conduction is a pot on a stove. The fire's molecules transfers heat energy to the pot, making the pot's molecules speed up. After a few minutes, the pot's temperature is similar to the fire's.
inside a conducting element, such as a wire,
When electrons are applied in a straight line
it creates electricity!
Potential Energy is a common energy as many things have it.
There are many examples of Potential Energy.
One example can be a mini toy car. When the car is placed on a still ground and doesn't move, it has potential energy. When it moves, it acquires Kinetic Energy.
These forms of energy are only the few that exist. Many other forms of energy are Chemical, Gravitational, Mechanical, Nuclear and many more.
Prezi by:
Meilien Lam 8I
Bibliography
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http://www.ducksters.com/science/heat.php
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