WONDER #332: How Hot Is the Sun?

Question 1 of 3

The hottest part of the Sun is called what?

  1. corona
  2. core
  3. photosphere
  4. sunspot

Question 2 of 3

Fusion turns hydrogen into helium, which produces what?

  1. sound
  2. energy
  3. space
  4. planets

Question 3 of 3

Which is the hottest?

  1. lava
  2. boiling water
  3. fire
  4. sun

Check your answers online at https://www.wonderopolis.org/wonder/how-hot-is-the-sun.