Energy ⚡️ Flashcards

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1
Q

What measurement is energy measured in?

A

Joules (J)

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2
Q

What is the law of conservation of energy?

A

Energy is not created nor destroyed

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3
Q

What are the 8 energy stores?

A

Magentic, thermal, chemical, kinetic, electrostatic, elastic potential, gravitational potential, nuclear

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4
Q

What is time measured in?

A

Seconds (s)

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5
Q

What is work done measured in?

A

Joules (J)

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6
Q

What is an insulator

A

A material that does not allow the passage of heat and sound

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7
Q

What is a conductor?

A

A material that allows elevtricity/heat/etc to pass through it

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8
Q

Name a conductor

A

Metal, copper, brass, steel, gold, alluminium

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9
Q

Name an insulator

A

Plastic, wood, glass, rubber

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10
Q

What are the 4 ways of energy transfer?

A

Mechanical, electrical, heating, radiation

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11
Q

What is heat?

A

A form of energy found in both natural and artificial things

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12
Q

What is conduction

A

When heat or electricity is transmitted through the MATERIAL of a substance

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13
Q

What is convection

A

When heat or electricity travels through the movement of liquids or gases

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14
Q

Equation triangle

A

Above= energy or work done
Below=power and time

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15
Q

What are the 4 forms of heat transfer?

A

Conduction, (solids)
convection, (liquids and gasses)
radiation, (vaccum, solid, liquid and gasses)
evaporation

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16
Q

Charges that are the same_______eachother

A

Repel