When the Space Shuttle is orbiting the Earth, the astronauts inside experience a condition known as weightlessness. They float around and never need to stand on the floor. Here’s what it looks like.

VISUAL 8 (movie): Floating Astronauts

Can you tell which way is up and which way is down? [No.]

When you’re floating in space, there is no up and down. Looks like fun, don’t you think? Of course, eating can be a problem when your plate starts floating around. Now you will see some astronauts eating. Don’t try this at home!

VISUAL 9 (movie): Astronauts Eating