Up in the Sky: teacher key

Airplanes, grade 1 edition, written for 1st grade. How can a big plane stay up in the sky? Wings make lift and engines make thrust. See the parts a pilot moves, and the first flight in 1903.

Read the book. Print this page for the key.

Questions and answers

1. What do the wings make?
   • Drag
   • Lift (answer)
   • Thrust
2. What do the engines make?
   • Lift
   • Drag
   • Thrust (answer)
3. What is the push of air against a moving plane called?
   • Drag (answer)
   • Lift
   • Roll
4. What happens when you raise the elevators?
   • The plane stops
   • The plane climbs (answer)
   • The plane rolls
5. How long did the first flight last?
   • 12 seconds (answer)
   • 12 minutes
   • 12 hours
6. What did the Wright brothers make in 1903?
   • The first powered flight (answer)
   • The first balloon
   • The first train

Words

• thrust: a push forward
• drag: air pushing back
• ailerons: wing parts
• elevators: tail parts