Unit #9: Thermal Energy and Heat Exchange Vocabulary

Temperature refers to (choose all that apply):

• the point in which a substance may change states

• the average amount of kinetic energy in a substance

• how hot or cold something is

• the average amount of static energy present

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Thermal energy pertains to:

• the ability to retain heat

• total potential and kinetic energy related to the motion of all particles

• total amount of atomic mass present within a substance

• the ability to conduct heat

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Heat:

• type of energy which increases density of particles

• type of energy which speeds up particles

• type of energy which slows particles

• thermal energy transferred from one object to another

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Conduction

•  the process where waves bounce off of a medium

•  the transfer of thermal energy within a material or between materials that are touching.

•  the transfer of kinetic energy within a material or between materials that are touching.

•  the process that allows energy to stop flowing through sources

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What is a thermal conductor?

• substance that does conduct energy well

• substance that does not conduct energy well

• substance which is created as a bi-product as thermal energy flows through it

• source of the heat as it radiates

A thermal insulator:

• creates thermal energy

• conducts thermal energy well

• does not conduct thermal energy well

• can sometimes conduct thermal energy, other times it can not

The process of convection:

• process of thermal energy when particles of a fluid move from one place to another

• process of thermal energy when particles of a gas move from one place to another

• process of thermal energy when particles of a solid move from one place to another

• process of thermal energy when particles of plasma move from one place to another

Convection current is:

• a loop consisting of a fluid alternating between heating up and cooling

• a loop consisting of a solid alternating between heating up and cooling

• a loop consisting of a gas alternating between heating up and cooling

• The mixing of gases in the atmosphere.

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Radiation is where:

• waves passing through two mediums simultaneously

• waves of energy are transferred through empty space

• waves move through a narrow or small opening

• waves bounce off of a medium and return back to its source

Thermodynamics is the study of:

• study of thermometers

• conversions between different units

• conversions between thermal and other types of energy

• conversions of state types

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