Squirrels, Jell-O and Mars: teacher key

Mark Rober, grade 2 edition, written for 2nd grade. Mark Rober is an engineer who makes videos. Read about his work for NASA, his squirrel course and a pool full of Jell-O.

Read the book. Print this page for the key.

Questions and answers

1. What did Mark's jet pack do?
   • Fed the squirrels
   • Lowered the rover to Mars (answer)
   • Filled a pool
2. How long did Mark work at NASA's Jet Propulsion Laboratory?
   • Two days
   • One week
   • Nine years (answer)
3. What did Mark and MrBeast start?
   • A school
   • Team Trees (answer)
   • A zoo
4. What was the obstacle course for?
   • Teaching dogs
   • Feeding fish
   • Keeping squirrels away from a bird feeder (answer)
5. Which kind of video does Mark like to make?
   • Science and fun together (answer)
   • Videos with no ideas
   • Videos about nothing

Words

• rover: Mars explorer
• Curiosity: a Mars rover
• kits: things to build