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English 14 Public

heat and thermal energy

Study Slideshow

#energy #heat #thermal energy #conservation of energy

What is heat?

a form of energy (thermal energy)

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What is matter made up of?

tiny particles called atoms

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What is it called when multiple atoms bond together? (Ex. H2O)

molecule

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What does adding energy do to the atoms in matter?

makes them vibrate or move faster

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What happens to matter as the particles or molecules speed up?

it gets warmer

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What is the law of the conservation of energy?

Energy cannot be created or destroyed only rearranged

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What kind of energy does all matter have?

thermal energy

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What are the three ways that thermal energy can transfer?

conduction, convection, and radiation

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What is conduction?

particles with more thermal energy bump into objects with less thermal energy - only in solids

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What is convection?

only in gases and liquids, moves in circles: heat rises and less thermal energy falls creating circles

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What is radiation?

thermal energy carried through electro magnetic waves

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In what direction does thermal energy travel?

hot to cold

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What is a conductor?

materials that allow heat to travel freely through them (like metal)

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What is an insulator?

things that trap heat easily, and heat does not flow through them easily

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