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How heat transfers from one object to another

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Muscle injury. Man with sprain thigh muscles. Athlete in sports shorts clutching his thigh muscles after pulling or straining them while jogging on the beach.

Why Does Heat Relax Your Muscles?

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Sailboat against a beautiful landscape

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Attack on Pearl Harbor. December 7, 1941. Pearl Harbor infographic. World War II. Hawaii. United States. Japan. SPOTLIGHT VERSION

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Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

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Horses. Equus caballus. Horse stable. A brown horse looks out from his stall through the window.

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bird. mourning dove. pigeon and dove. Mourning Dove (Zenaida macroura) family Columbidae.

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Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

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heat: Related Content

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News •

Thunder rally from 21 down to beat Heat 115-101 • Feb. 13, 2025, 3:03 AM ET (CBS)

2026 World Cup matches could be subject to ‘dangerous heat’, study says - The Athletic • Jan. 30, 2025, 1:48 AM ET (New York Times)

Sydney hits 42C before dramatic shift causes temperature in some parts of city to drop 15C in an hour • Jan. 28, 2025, 6:19 AM ET (The Guardian)

As Heat navigate Jimmy Butler’s absence, Erik Spoelstra says: ‘Get used to it’ • Jan. 27, 2025, 1:32 PM ET (New York Times)

Rain causes power outage for tens of thousands of Perth homes as long weekend brings hot weather • Jan. 26, 2025, 1:51 AM ET (The Guardian)

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How heat transfers from one object to another

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latent heat enthalpy thermal conduction heat capacity caloric theory Stefan-Boltzmann law British thermal unit mechanical equivalent of heat thermal shock heat flux radiation radioactivity cluster isomerism phase elasticity entropy polarity symmetry pH

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Key People

Antoine Lavoisier

Antoine Lavoisier

French chemist

Kelvin, William Thomson, Baron

William Thomson, Baron Kelvin

Scottish engineer, mathematician, and physicist

Cavendish, Henry

Henry Cavendish

British physicist

Sir Benjamin Thompson, count von Rumford

American-British physicist

Joule, James Prescott

James Prescott Joule

English physicist

Balfour Stewart

British meteorologist and geophysicist

James David Forbes

Scottish physicist

Leslie, Sir John

Sir John Leslie

Scottish physicist and mathematician

Quiz

Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.

All About Physics Quiz

Electric power lines against sunset (grid, power, wires, electrical, electricity)

Energy & Fossil Fuels

Demystified

Muscle injury. Man with sprain thigh muscles. Athlete in sports shorts clutching his thigh muscles after pulling or straining them while jogging on the beach.

Why Does Heat Relax Your Muscles?