Energy stores and transfers Flashcards

1
Q

magnetic energy

A

The energy stored when repelling poles have been pushed closer together or when attracting poles have been pulled further apart.

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2
Q

chemical energy

A

The energy stored in chemical bonds, such as those between molecules.

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3
Q

kinetic energy

A

The energy of a moving object.

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4
Q

electrostatic energy

A

The energy stored when repelling charges have been moved closer together or when attracting charges have been pulled further apart.

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5
Q

elastic potential

A

The energy stored when an object is stretched or squashed.

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6
Q

gravitational potential

A

The energy of an object at height.

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7
Q

nuclear energy

A

The energy stored in the nucleus of an atom.

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8
Q

thermal energy

A

The total kinetic and potential energy of the particles in an object, in most cases this is the vibrations of particles. In hotter objects, the particles have more thermal energy and vibrate faster.

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9
Q

Name the four energy transfers

A

mechanically
electrically
thermally
by radiation

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10
Q

What does CK GET MEN (this) TERM stand for?

A
  • Chemical
  • Kinetic
  • Gravitational
  • Elastic
  • Thermal
  • Magnetic
  • Electrostatic
  • Nuclear
  • Thermally
  • Electrically
  • (by) Radiation
  • Mechanically
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11
Q

What is the conservation of energy?

A

Energy cannot be created or destroyed, only transferred from one store to another.

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12
Q

Three ways of thermal energy transfer?

A

Conduction, convection and radiation

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13
Q

Conduction: In solids, liquids or gases?

A

solids

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14
Q

Convection: In solids, liquids or gases?

A

liquids and gases

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15
Q

Talk about the colour black in terms of emission and absorption

A

good absorber and emitter

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16
Q

Talk about the colour white in terms of emission and absorption

A

bad absorber and emitter

17
Q

Talk about shiny colours in terms of emission and absorption

A

bad absorber and emitter

18
Q

give an example of a convection current in our everyday lives

A
  • air con
  • radiators