Science Helpdesk

ESO 2 Science · 3 · Heat and Temperature

What to Learn

  • Temperature vs. heat.
  • Measuring temperature.
  • Transmission of heat by conduction; conductors vs. insulators.
  • Transmission of heat by convection; convection in the troposphere; convection in the asthenosphere.
  • Transmission of heat by radiation.

Key Information

Comparison of Temperature Scales
[Source: Wikipedia]
 Kelvin (K)Celsius (°C)Fahrenheit (°F)
Absolute zero0-273.15-459.67
Lowest recorded natural temperature on Earth
(Vostok, Antarctica - July 21, 1983)
184-89-128.2
Water freezes (at standard pressure)273.15032
Average surface temperature on Earth2881559
Average human body temperature309.9536.898.24
Highest recorded surface temperature on Earth
(Al 'Aziziyah, Libya - September 13, 1922)
33158136.4
Water boils (at standard pressure)373.133999.9839211.97102
Titanium melts194116683034
The surface of the Sun580055269980

Movies, Animations and Audios

Heat and Temperature
Eureka! - Temperature vs. heat

Eureka! - Temperature vs. heat

Learn the difference between "degree of hotness" and "quantity of hotness".

Produced by TVOntario

Eureka! - Measuring temperature

Eureka! - Measuring temperature

You need something better than just "too cold" or "too hot", don't you? Learn how Anders Celsius came up with the solution…

Produced by TVOntario

Eureka! - Heat as energy

Eureka! - Heat as energy

Learn that heat is just another kind of energy, and can be transmitted.

Produced by TVOntario

Temperature

Temperature

Can an individual atom be hot or cold? Can it even have a temperature? Find out now!

Produced by Cassiopeia Project

Temperature vs. heat

Temperature vs. heat

Find out the difference between heat and temperature in this Uncommon Knowledge podcast.

Streamed from the Uncommon Knowledge podcast

The Transmission of Heat
Eureka! - Conduction

Eureka! - Conduction

Learn that heat can be transmitted by the vibration of an atom (or molecules) to its neighbours… which is what makes metals be so good heat conductors.

Produced by TVOntario

Eureka! - Convection

Eureka! - Convection

Learn that heat can also be conveyed by fluids thanks to the principle of buoyancy.

Produced by TVOntario

Eureka! - Radiation

Eureka! - Radiation

And lastly, heat can also travel in the form of waves.

Produced by TVOntario