Home Above the Sky: teacher key

Astronauts and Space Travel, grade 2 edition, written for 2nd grade. Astronauts live in a space station that circles Earth. They float, sleep in bags, grow plants and walk in space.

Read the book. Print this page for the key.

Questions and answers

1. What does the station do around Earth?
   • It digs into it
   • It sits on it
   • It orbits it (answer)
2. What do astronauts do to keep muscles and bones strong?
   • Sleep more
   • Exercise (answer)
   • Eat plants
3. What is the small garden on the station called?
   • Sprout
   • Garden Two
   • Veggie (answer)
4. Astronauts see 16 sunrises a day. What does this tell you about the station?
   • It moves fast around Earth (answer)
   • It stands still
   • It is always dark
5. What does the word orbits mean?
   • Circles around (answer)
   • Sits still
   • Falls down

Words

• orbits: circles around
• gravity: pull toward Earth
• microgravity: almost no pull
• spacewalks: trips outside