WONDER #1546: Why Are Barns Red?
Question 1 of 3
What type of oil derived from the seeds of the flax plant was often used to seal bare wood to prevent rotting?
- canola oil
- sunflower oil
- linseed oil
- motor oil
Question 2 of 3
Iron oxide is usually known by what more common name?
Question 3 of 3
Which of the following was NOT an ingredient in a simple recipe for early paint?
- skimmed milk
- iron oxide
Check your answers online at https://www.wonderopolis.org/wonder/why-are-barns-red.