WONDER #709: Why Do Some Things Rust?

Question 1 of 3

The scientific name for rust is what?

  1. carbon dioxide
  2. carbon monoxide
  3. iron oxide
  4. di-hydrogen oxide

Question 2 of 3

Which of these is a way to prevent items from rusting?

  1. Galvanization
  2. Oxygenation
  3. Painting
  4. Both a and c

Question 3 of 3

The process of rusting is similar to what?

  1. decomposition
  2. shrinking
  3. absorption
  4. fire

Check your answers online at https://wonderopolis.org/wonder/why-do-some-things-rust.