WONDER #2006: What Is Aerogel?

Question 1 of 3

Aerogel was invented late in which decade?

  1. 1860s
  2. 1920s
  3. 1970s
  4. 2010s

Question 2 of 3

In an aerogel, liquid has been replaced by what?

  1. cheese
  2. air
  3. ice
  4. water

Question 3 of 3

Which of the following is NOT a unique property of aerogel?

  1. fireproof
  2. absorbs both oil and water
  3. great insulator
  4. very weak for its weight

Check your answers online at https://www.wonderopolis.org/wonder/what-is-aerogel.