Thermal Energy Transfer

Thermal energy being transferred from a hot mug of cocoa to the table it is sitting on is an example of __________.

• convection

• conduction

• radiation

• chemistry

Which best explains how this roasting marshmallows happens?

• Heat from the fire is conducted to the marshmallow.

• Heat from the fire is radiated to the marshmallow.

• The coolness of the marshmallow is conducted to the fire.

• The coolness of the marshmallow is radiated to the fire.

Which best describes heat transfer by radiation?

• A slice of bacon frying in a pan.

• A pot on a stove boiling water.

• Cooking a hotdog in a microwave.

• A hot air balloon.

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Which of the following best describes CONVECTION?

• When heat is transferred through waves.

• When heat is transferred through objects that are touching.

• The movement of gas or liquid in which warmer parts move up and the colder parts moves down.

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Heat transfer in boiling water.

• Conduction
• Convection
• Radiation

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Kinetic energy is the energy of————-

• Temperature

• Ocean

• Lotion

• Motion

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Thermal energy is transferred from————-

• A cooler object to a hotter one

• A hotter object to a cooler one

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Molecules with more kinetic energy move ———- than molecules with less kinetic energy

• Lower

• Faster

• Higher

• Slower

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When particles are heated they begin to ____.

• move faster

• mover slower

• move up

• jump out of the pot

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This method of heat transfer is when two objects are directly touching.

• Conduction

• Convection

• Radiation