How do astronauts brush their teeth in space?
That is a very good question. Astronauts brush their teeth just like they do on Earth. The only difference is that they have to either swallow the toothpaste or spit it into a washcloth. If they are not careful, the toothpaste globs will float away. For more on what it’s like to live in space, try these websites: http://kids.msfc.nasa.gov/rockets/living.asp and http://spaceflight.nasa.gov/living/index.html.
