energy vocab Flashcards

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1
Q

Gravitational

A

the energy possessed or acquired by an object due to a change in its position when it is present in a gravitational field.

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2
Q

radiant energy

A

the physical energy resulting from electromagnetic radiation, usually observed as it radiates from a source into the surrounding environment.

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3
Q

chemical energy

A

energy stored in bonds of chemical compounds.

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4
Q

thermal energy

A

the energy contained within a system that is responsible for its temperature.

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5
Q

elastic energy

A

energy stored as a result of applying a force to deform an elastic object.

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6
Q

nuclear energy

A

a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons.

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7
Q

geothermal energy

A

heat energy from the earth

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8
Q

sound energy

A

comes from vibrations moving through something. sound energy is the result when a force, either sound or pressure, makes an object or substance vibrate.

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9
Q

mechanical energy

A

the energy of either an object in motion or the energy that is stored in objects by their position.

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10
Q

hydroelectric energy

A

a renewable source of energy that generates power by using a dam or diversion structure to alter the natural flow of a river or other body of water.

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11
Q

series circuits

A

a path along which the whole current flows through each component.

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12
Q

parallel circuits

A

has two or more paths for the electricity to flow, the loads are parallel to each other.

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13
Q

power source

A

the origin of incoming electricity

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14
Q

connector

A

parts or devices used for electrically connecting or disconnecting circuits.

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15
Q

load

A

an electrical component or portion of a circuit that consumes (active) electric power.

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16
Q

control

A

system that controls the output(production or discharging) and input (charging) of one or more DER in order to limit output, input, export and/or import.

17
Q

Rube goldberg machine

A

a machine intentionally designed to perform a simple task in an indirect and overly complicated way, relying on chain reactions.

18
Q

pulley

A

made by looping a rope over one or more wheels. often used to lift heavy objects. pulling down one end of the rope creates an upward pull at the other end. more wheels looped equals increase in upward force. 2 wheels equals twice as heavy amounts can be held.

19
Q

lever

A

a rigid arm that is braced against a turning point. pushing at one end creates a large force at the other.

20
Q

wheel and axle

A

the two parts rotate together with force transferring from one machine to another.

21
Q

wedge

A

a portable inclined plane used to separate two objects

22
Q

inclined plane

A

also known as a ramps: a flat surface tilted at an angle that aids in raising or lowering a load

23
Q

screw

A

a mechanism that converts rotational motion to linear motion