LT#5 Living & Working in Space

Why don’t astronauts’ muscles and bones stay strong while in space?

• They do not have enough food to eat.
• There is no weight to put pressure on their muscles and bones.
• They are not able to exercise in space.
• They do not have muscles in space.

What is the force present on Earth, but not in space, that makes it difficult  for the heart to move blood throughout the body?

• energy
• friction
• gravity
• inertia

Astronauts use special soap that _____.

• does not require a washcloth
• does not require water to rinse
• has strong chemicals
• does not have an odor

Whether preparing for launch, working or playing inside the space shuttle  or space station, working outside in space, or landing back on Earth,  astronauts wear the proper clothing that provides _______.

• strength
• protection and comfort
• color coordination
• flame retardant material

How would astronauts traveling to Mars have enough water for such a long trip?

• They would get it from the sink.
• They would store enough on board for the entire trip
• They would need to ration and recycle their water.
• They would not need much water.

Why do astronauts eat tortillas instead of bread?

• Tortillas make great Frisbees.
• Tortillas do not crumble.
• Tex-Mex food tastes better.
• Bread takes up too much room in storage.

In space, how do astronauts sleep?

• They attach themselves to a wall or a chair.
• They float around the cabin.
• They sleep in a bed.
• They do not sleep while they are working in space.

Why are rockets needed to get to space?

• They carry the astronauts in the nozzle.
• They have the ability to overcome Earth’s gravity.
• They use less fuel than other space craft.
• They are the safest mode of travel.

The major purpose of the International Space Station is ______.

• to release and capture satellites
• to take photographs of objects in space
• to obtain information from astronauts who live in other countries
• to perform research that only the microgravity environment can provide

How many changes of clothes does an astronaut need to bring on a space mission?

• 2 sets of clothes
• enough for each day in space
• it depends on the length of the mission