WONDER #1783: What Is Dark Matter?

Question 1 of 3

The ordinary matter that we can see is also known as what kind of matter?

  1. baryonic
  2. dark
  3. light
  4. blue

Question 2 of 3

Ordinary matter makes up about what percentage of the total mass of the universe?

  1. 98%
  2. 72%
  3. 50%
  4. 5%

Question 3 of 3

Scientists believe _______ explains the discovery that objects in the center and the outer edges of distant galaxies move at the same speed?

  1. dark matter
  2. dark energy
  3. baryonic matter
  4. black holes

Check your answers online at https://wonderopolis.org/wonder/what-is-dark-matter.