Thermal Energy - Heat Transfer

Thermal Energy is

• the energy of electrons moving through a circuit

• the energy stored due to its position

• the energy of particles in motion which can be described as heat

• the energy of moving downhill

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Three ways that heat is transferred in thermal energy are:

• conduction, convection, and radiation

• temperature, heat, density

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Heat transfer by convection happens when:

• there is a circulation of hot air/water rising and cold air/water sinking

• there is space that heat travels through in waves outwardly

• two objects are touching and heat moves from one object into the next object.

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Heat transfer by radiation happens when:

• there is a circulation of hot air/water rising and cold air/water sinking

• two objects are touching and heat moves from one object into the next object

• there is space that heat travels though in waves outwardly

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Heat transfer by conduction happens when:

• there is a circulation of hot air/water rising and cold air/water sinking

• there is space that heat travels through in waves outwardly

• two objects are touching and heat moves from one object into the next object

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Wool, feathers, cotton, Styrofoam are all examples of good :

• insulators of thermal energy

• conductors of thermal energy

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All metals are examples of good:

• insulators of thermal energy

• conductors of thermal energy

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A hot air balloon rising and falling as the balloon's air is heated or cooled is an example of which type of energy transfer?

• radiation

• convection

• conduction

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Holding a hot cup of cocoa is an example of which type of heat transfer?

• convection

• conduction

• radiation

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Thermal energy traveling though space from the sun toward earth in waves is an example of which type of heat transfer?

• convection

• conduction

• radiation

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