The Line That Moved: teacher key

How Cars Are Made, grade 7 edition, written for 7th grade. How Henry Ford's moving assembly line came together, who built cars on a line before him, and why historians still argue about his five dollar day.

Read the book. Print this page for the key.

Questions and answers

1. Who built cars on an assembly line before Ford?
   • Karl Benz
   • Ransom Olds (answer)
   • Bertha Benz
2. What was new about Ford's line in 1913?
   • It moved the car to the workers (answer)
   • It used a rope
   • It was the first line ever
3. How long did a Model T take to build within a year of the moving line?
   • 93 minutes (answer)
   • 12.5 hours
   • 20 minutes
4. Why do historians disagree about the $5 day?
   • Ford never paid it
   • They cannot agree on one reason for it (answer)
   • The pay was lower than others
5. In this passage, what does monotonous mean?
   • Dull and repetitive (answer)
   • Dangerous
   • Very fast

Words

• chassis: car's base frame
• conveyor: moving belt
• monotonous: dull, repetitive
• magneto: small engine part