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Thermal energy is generated and measured by heat of any kind. It is caused by the increased activity or velocity of molecules in a substance, which in turn causes temperature to rise accordingly.
There are many natural sources of thermal energy on Earth, making it an important component of alternative energy.

## Thermal energy - Wikipedia

en.wikipedia.org/wiki/Thermal_energy

In thermodynamics, thermal energy refers to the internal energy present in a system due to its temperature. The concept is not well-defined or broadly accepted ...

## Thermal Energy Facts - SoftSchools

www.softschools.com/facts/energy/thermal_energy_facts/402/

Thermal energy is the energy that comes from heat. This heat is generated by the movement of tiny particles within an object. The faster these particles move, the ...

## What is heat or thermal energy? - eSchooltoday

www.eschooltoday.com/energy/kinds-of-energy/what-is-thermal-energy.html

Heat (Thermal energy). Matter is made up of particles or molecules. These molecules move (or vibrate) constantly. A rise in the temperature of matter makes the ...

## What is thermal energy? - Khan Academy

Learn what thermal energy is and how to calculate it.

## What is Thermal Energy? - Definition & Examples - Video & Lesson ...

This lesson defines and identifies examples of thermal energy everywhere from your kitchen to the Earth's core. We'll discuss geothermal energy, a...

## What are some examples of thermal energy? - Quora

www.quora.com/What-are-some-examples-of-thermal-energy

First of all we entering into the answer we will discuss some basic things inorder to get into ... The hot chocolate has more thermal energy than the chocolate milk. When the chocolate milk is put on a hot stove, the milk's temperature rises.

## thermal energy | physics | Britannica.com

www.britannica.com/science/thermal-energy

May 17, 2011 ... Internal energy present in a system in a state of thermodynamic equilibrium by virtue of its temperature. Thermal energy cannot be converted to ...

## Thermal-energy dictionary definition | thermal-energy defined

www.yourdictionary.com/thermal-energy

Thermal energy is the energy that is generated and measured by heat. An example of thermal energy is the kinetic energy of an atom. An example of thermal ...