Let's take a look and see. A butterfly begins its life as an egg laid by a female butterfly. Here are some ideas to check out.
Astronauts go to school to learn what to do in space and how to act in emergencies.
Using a flight simulator run by computers, astronauts learn how to fly and land the Space Shuttle. To practice walking in space, they put on heavy space suits and get in a giant tank of water. The water helps them feel what it will be like to be weightless in space. In space, astronauts eat freeze-dried food from containers. The containers have small suction cups on the bottom.