How Rockets Escape Earth — Questions and answers

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Who was Sir Isaac Newton, according to Arlo's father?

Choices

  1. A famous astronaut
  2. An obsessive puzzle-solver who discovered laws of motion and gravitation ✓
  3. A person who dreamed of building spaceships
  4. A builder of stone-walled studies

Answer: An obsessive puzzle-solver who discovered laws of motion and gravitation

From page 4

What was Sir Isaac Newton thinking about when he started to sketch his ideas?

Choices

  1. Rockets flying into space
  2. How to build a taller mountain
  3. Cannons and cannonballs ✓
  4. The best way to draw a solar system

Answer: Cannons and cannonballs

From page 5

What is the escape velocity for Earth, according to Newton's idea?

Choices

  1. About 25 miles per hour
  2. About 2,500 miles per hour
  3. About 25,000 miles per hour ✓
  4. About 250,000 miles per hour

Answer: About 25,000 miles per hour

From page 7

What example did Arlo's mother use to show things fighting gravity?

Choices

  1. A bird flying in the sky
  2. A professional baseball player throwing a ball
  3. Water shooting up from a fountain ✓
  4. A basket of laundry falling down

Answer: Water shooting up from a fountain

From page 9