WONDER #1996: Why Does Swiss Cheese Have Holes?

Question 1 of 3

The holes in Swiss cheese are also called what?

1. eyes
2. ears
3. noses
4. tongues

Question 2 of 3

Swiss researchers have confirmed that microscopic particles of what contribute to the formation of the holes in Swiss cheese?

1. corn
2. hay
3. barley
4. cheese

Question 3 of 3

Who first developed the theory that Swiss cheese holes were caused by carbon dioxide bubbles produced by bacteria?

1. Benjamin Franklin
2. Steve Swiss
3. Louis Pasteur
4. William Mansfield Clark

Check your answers online at https://wonderopolis.org/index.php/wonder/why-does-swiss-cheese-have-holes.