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law of conservation Flashcards

(15 cards)

1
Q

law of conservation of energy

A
  • total amount of energy in a system remains constant
  • can be changed from one form to another or transferred from one object to another
  • Energy cannot be created or destroyed, but it can be transformed
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2
Q

TE = PE + KE

A

Total Energy = Kinetic Energy + Potential Energy

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3
Q

Kinetic Energy

A

energy of movement

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4
Q

Heat Energy

A

come from sun

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5
Q

Light Energy

A

lights up

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6
Q

Sound Energy

A

energy air has when its vibrating

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7
Q

Electrical Energy

A

uses power points

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8
Q

Potential Energy

A

stored energy

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9
Q

Gravitational Potential Energy

A

This form of energy becomes noticeable when you drop the something and its stored energy is transformed into kinetic energy.

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10
Q

Chemical Energy

A

It is energy that is stored in the bonds between atoms and molecules.

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11
Q

Elastic Potential Energy

A

stored in a stretched elastic band is released when you let go of one end (static, compressed, stretched)

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12
Q

Nuclear Energy

A

energy stored in the middle of an atom

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13
Q

Electrical Energy

A

can be stored

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14
Q

joules

A

SI Unit for energy and work

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15
Q

kilojoules

A

measure of the energy value of foods.

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