Celsius Kelvin Absolute Zero kinetic energy energy from

Celsius

Kelvin

Absolute Zero

kinetic energy: energy from motion

mass

speed

temperature: a measure of the average kinetic energy of moving particles

heat: the transfer of thermal energy from one object to another

What is temperature?

What is heat?

Celsius

Celsius

Celsius: a measurement of temperature that uses 0° as the freezing point of water

Anders Celsius (1701 -1744)

Water freezes at 0° C

Water freezes at 100° C

Celsius

Kelvin

Kelvin

Kelvin: a scale used to measure temperature that starts at absolute zero (0 K)

William Thomson, Lord Kelvin (1824 -1907)

Water freezes at 273 K

Water freezes at 373 K

Absolute Zero

absolute zero

absolute zero: the temperature at which kinetic energy cannot exist

0 K absolute zero

Which one is not a scale used to measure temperature? A. Celsius B. Grams C. Fahrenheit D. Kelvin

Which one is not a scale used to measure temperature? A. Celsius B. Grams C. Fahrenheit D. Kelvin

Which scale uses 0° as the freezing point of water, and 100° as the boiling point of water? A. Celsius B. Fahrenheit C. Kelvin

Which scale uses 0° as the freezing point of water, and 100° as the boiling point of water? A. Celsius B. Fahrenheit C. Kelvin

What is absolute zero?

Remember!!!

Celsius: a measurement of temperature that uses 0° as the freezing point of water

Kelvin: a scale used to measure temperature that starts at absolute zero (0 K)

absolute zero: the temperature at which kinetic energy cannot exist

This Video Created With Resources From: Cooperative Agreement # R 324 B 130023 Curry School Foundation’s Research and Development Fund Questions or Comments to Michael Kennedy, Ph. D. MKennedy@Virginia. edu