Multiple choice

Which layer of the atmosphere is named after its high temperature?

  1. Troposphere

  2. Stratosphere

  3. Exosphere

  4. Thermosphere

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The prefix thermo comes from the Greek word for heat. The thermosphere is named for its extremely high temperatures, which can reach up to 2,500 degrees Celsius due to the absorption of intense solar radiation.