Energy Stores And Transfers Flashcards

1
Q

What is the unit for measuring energy ?

A

Joules

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2
Q

What is the name for energy stored in a hot object

A

Thermal energy

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3
Q

How is energy transferred from hot objects to their surroundings

A

Evaporation

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4
Q

Energy stored in petrol in a car is transferred to energy stored in the moving car . What are the names of these two energy stores

A

Chemical and kinetic energy

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5
Q

If 100j of energy is transferred into a machine how much I’d transferred out

A

100j

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6
Q

In what way is the most wasted energy transfers

A

Heating

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7
Q

When an object is moved to a higher position what name is given to the energy that in then stores

A

Elastic potential and kinetic

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8
Q

What are the energy transfers when a moving car slows down

A

Thermal energy in the brakes

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9
Q

Name 3 different types of object or substance that stores energy in chemical

A

Food , fuel , batteries

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10
Q

Energy stored in moving objects is called

A

Kinetic energy

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11
Q

Energy stored in hot objects is called

A

Thermal energy

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12
Q

Energy stored in stretched squashed or twisted material is called

A

Strain energy or elastic potential energy

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13
Q

Energy stored in high positions is called

A

Gravitational potential energy

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14
Q

Energy stored in atoms is called

A

Atomic energy or nuclear energy

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