Unit 5: Energy Vocabulary

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Last updated 12:35 AM on 9/15/26
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28 Terms

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Energy

Is the ability to do work

<p>Is the ability to do work</p>
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Kinetic energy

Energy of motion and is dependent on the mass and speed an object is moving with

<p>Energy of motion and is dependent on the mass and speed an object is moving with</p>
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potential energy

stored energy that results from the position or shape of an object

<p>stored energy that results from the position or shape of an object</p>
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Joules

unit of energy

<p>unit of energy</p>
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gravitational potential energy

stored energy, the energy an object has because of its position

<p>stored energy, the energy an object has because of its position</p>
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Chemical Energy

The energy in food and fuel and cells, energy stored in chemical bonds

<p>The energy in food and fuel and cells, energy stored in chemical bonds</p>
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Sound Energy

The energy from a vibrating object

<p>The energy from a vibrating object</p>
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Light energy

electromagnetic energy that is visible and travels in waves

<p>electromagnetic energy that is visible and travels in waves</p>
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Mechanical Energy

the energy associated with the motion and position of everyday objects

<p>the energy associated with the motion and position of everyday objects</p>
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Nuclear Energy

Energy that is stored in the nucleus of an atom

<p>Energy that is stored in the nucleus of an atom</p>
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Thermal Energy /Heat Energy

The energy of motion in the molecules and atoms that make up matter

<p>The energy of motion in the molecules and atoms that make up matter</p>
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Electrical Energy

Energy caused by the movement of electrons.

<p>Energy caused by the movement of electrons.</p>
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Law of Conservation of Energy

Energy is neither created nor destroyed but can be changed from one form to another.

<p>Energy is neither created nor destroyed but can be changed from one form to another.</p>
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Energy Transformation

Takes place when energy changes from one form into another form.

<p>Takes place when energy changes from one form into another form.</p>
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Renewable Energy

Is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished).

<p>Is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished).</p>
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Non-renewable Energy

Resources/Energy that cannot be replaced once it is used or energy that is not being replaced as fast as it is being used

<p>Resources/Energy that cannot be replaced once it is used or energy that is not being replaced as fast as it is being used</p>
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work

A result of a force moving an object a certain distance.

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formula for mechanical energy

ME=PE+KE

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Formula for work

work = force x distance

<p>work = force x distance</p>
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formula for potential energy

PE = mass x g x height

<p>PE = mass x g x height</p>
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formula for kinetic energy

KE = 1/2 x mass x speed x speed

<p>KE = 1/2 x mass x speed x speed</p>
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acceleration due to gravity (g)

The acceleration of an object due to gravity, 9.8 m/s^2

<p>The acceleration of an object due to gravity, 9.8 m/s^2</p>
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fossil fuels

Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.

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hydropower energy

A renewable resource that takes the energy from moving water and turns it into other usable forms of energy.

<p>A renewable resource that takes the energy from moving water and turns it into other usable forms of energy.</p>
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solar energy

energy from the sun that is converted into thermal or electrical energy

<p>energy from the sun that is converted into thermal or electrical energy</p>
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geothermal energy

Energy derived from the heat in the interior of the earth

<p>Energy derived from the heat in the interior of the earth</p>
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wind energy

Energy derived from wind by means of windmills or wind turbines.

<p>Energy derived from wind by means of windmills or wind turbines.</p>
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nuclear power plant

a facility that uses heat from nuclear reactors to produce electrical energy

<p>a facility that uses heat from nuclear reactors to produce electrical energy</p>