A Day Is One Turn: teacher key

Day and Night, grade 2 edition, written for 2nd grade. The Earth turns around once in about a day. That makes day and night, and other planets have days too.

Read the book. Print this page for the key.

Questions and answers

1. About how long do one day and one night take?
   • About 24 hours (answer)
   • About 24 minutes
   • About 24 days
2. Which planet spins fastest?
   • Mars
   • Earth
   • Jupiter (answer)
3. What does diurnal mean?
   • Awake at night
   • Active in the daytime (answer)
   • Very far away
4. Why does the Sun seem to move across the sky?
   • The Sun is running
   • Owls push it
   • The Earth turns (answer)
5. What is close to a day on Earth?
   • One turn of Mars (answer)
   • One turn of Jupiter
   • One year

Words

• diurnal: active by day
• spins: turns around
• star: a far sun