WONDER #1438: How Does the Sun Make Energy?

Question 1 of 3

The Sun is made up mainly of which element?

  1. carbon
  2. iron
  3. oxygen
  4. hydrogen

Question 2 of 3

The reaction that occurs at the Sun’s core that releases huge amounts of energy is called what?

  1. nuclear fusion
  2. nuclear fission
  3. photosynthesis
  4. hydrogenation

Question 3 of 3

About how much of the Sun’s energy that reaches Earth is used to warm the land and water on Earth?

  1. 1%
  2. 20%
  3. 40%
  4. 60%

Check your answers online at https://www.wonderopolis.org/wonder/how-does-the-sun-make-energy.