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. Then maybe you'd like to be a fire fighter.
Some fire fighters live in the fire station.
That way they're ready for emergency calls. Once the alarm goes off, the fire fighters hop into their boots and heavy pants and jackets. They climb into the fire trucks and speed off to the fire. At the fire, some fire fighters set up hoses and aim water at the fire. Others check inside the building to make sure everyone has gotten out safely.