Rockets, Rules and Routines: teacher key

Astronauts and Space Travel, grade 4 edition, written for 4th grade. Astronauts live on a station that orbits Earth, ride rockets and train at NASA. New NASA astronauts learn basic skills for about two years.

Read the book. Print this page for the key.

Questions and answers

1. What does a rocket's engine push out?
   • Cold water
   • Hot gas (answer)
   • Sand
2. What is the Cupola?
   • A rocket engine
   • A part with seven windows (answer)
   • A kind of suit
3. Everything inside the station floats. Why might astronauts use leg restraints on the toilet seat?
   • So they do not float away (answer)
   • So they can sleep
   • So they stay clean
4. How long does one trip around Earth take the station?
   • About 16 hours
   • About 92 minutes (answer)
   • About 108 days
5. What does the word restraints mean here?
   • Straps that hold (answer)
   • Soft pillows
   • Loud fans

Words

• laboratory: science workplace
• orbit: circle around
• restraints: straps
• station: place in space