Open main menu

Absolute Zero

Key Stage 3

Meaning

Absolute zero is the coldest possible temperature in the Universe.

About Absolute Zero

Absolute zero is -273°C.

Key Stage 4

Meaning

Absolute zero is zero on the Kelvin scale and the coldest possible temperature in the Universe.

About Absolute Zero

Absolute zero is -273°C.
As a gas decreases in temperature it decreases in volume. Absolute zero is the temperature at which the volume of the gas would become zero.
At absolute zero the pressure in a gas becomes zero.
At absolute zero all the particles in material stop moving, they have no kinetic energy.

References

Edexcel

Absolute zero, page 193, GCSE Physics, Pearson Edexcel
Absolute zero, page 204, GCSE Combined Science; The Revision Guide, CGP, Edexcel
Absolute zero, page 301, GCSE Physics, CGP, Edexcel
Absolute zero, page 425, GCSE Combined Science, Pearson Edexcel
Absolute zero, page 97, GCSE Physics; The Revision Guide, CGP, Edexcel

OCR

Absolute zero, page 35, Gateway GCSE Physics, Oxford, OCR

Beyond the Curriculum