WONDER #2703: Where Are Sapphires Found?

Question 1 of 3

Sapphires are so durable that they can only be scratched by one naturally occurring object, which is the ______________.

  1. diamond
  2. emerald
  3. ruby
  4. palladium

Question 2 of 3

Which is NOT a place in which you might expect to find a sapphire mine, according to this Wonder?

  1. Nigeria
  2. Sri Lanka
  3. Australia
  4. Antarctica

Question 3 of 3

Study of outer space has found that sapphires may exist on one or more ______________.

  1. black holes
  2. super-Earths
  3. constellations
  4. asteroids

Check your answers online at https://www.wonderopolis.org/wonder/Where-Are-Sapphires-Found.