A Home Above Earth: teacher key

Astronauts and Space Travel, grade 3 edition, written for 3rd grade. Astronauts live and work on a space station that circles Earth. They float, take spacewalks and have walked on the Moon.

Read the book. Print this page for the key.

Questions and answers

1. Who became the first person to walk on the Moon?
   • Michael Collins
   • Neil Armstrong (answer)
   • Buzz Aldrin
2. How long does one trip around Earth take the station?
   • About 92 minutes (answer)
   • About 108 days
   • About 16 hours
3. Collins stayed in his ship in orbit. Could he pick up rocks on the Moon that day?
   • Yes
   • No (answer)
   • Only at night
4. Collins stayed in orbit. What does orbit mean?
   • Circle around (answer)
   • Land on
   • Dig under
5. How many windows does the Cupola have?
   • Seven (answer)
   • Two
   • Twenty

Words

• orbit: circle around
• gravity: pull toward Earth
• microgravity: almost no pull