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.