Understand how air temperature is measured, weather reports, and the extreme limits of temperature in the universe.
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Highlight on Anna Mani's contributions.
Explanation of room thermometers and weather tracking.
Have you ever noticed a tall thermometer hanging on the wall of a classroom, doctor's clinic, or hospital? These are called room thermometers.
They give us a quick, approximate idea of how warm or cool the air is inside a building, which is useful for keeping the environment comfortable.
Visual scale of extreme temperatures.
While the universe has no known upper limit for heat, physics sets a strict, absolute boundary on the coldest possible state.
Explanation of the highest and lowest possible temperatures.
The temperature at the core of the Sun reaches an incredible 15 million degrees Celsius ().
Are there objects in the sky that are even hotter than our Sun? Yes! According to current scientific understanding, there is actually no upper limit on the highest temperature that can exist in the universe.
MCQ on the weather and extremes.
What is the lowest possible temperature that can be achieved according to scientific understanding?