WONDER #2006: What Is Aerogel?
Question 1 of 3
Aerogel was invented late in which decade?
- 1860s
- 1920s
- 1970s
- 2010s
Question 2 of 3
In an aerogel, liquid has been replaced by what?
- cheese
- air
- ice
- water
Question 3 of 3
Which of the following is NOT a unique property of aerogel?
- fireproof
- absorbs both oil and water
- great insulator
- very weak for its weight
Check your answers online at https://wonderopolis.org/wonder/what-is-aerogel.