Multiple choice

Which of the following is the hottest?

  1. The core of the Earth

  2. Lightning

  3. The surface of the sun

  4. Lava
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Lightning is extremely hot, with temperatures reaching up to 50,000 degrees Fahrenheit, which is significantly hotter than the surface of the sun (about 10,000 degrees Fahrenheit).

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