From Wood to Plastic: teacher key

How Plastic Toy Bricks Are Made, grade 3 edition, written for 3rd grade. A carpenter's shop in Denmark turned from wooden toys to plastic bricks. Learn when the tubes came and how bricks are made today.

Read the book. Print this page for the key.

Questions and answers

1. What did the LEGO company start as?
   • A carpenter's shop (answer)
   • A candy store
   • A farm
2. What was missing inside the first plastic bricks?
   • Color
   • Tubes (answer)
   • Studs
3. What is clutch power?
   • How fast a mold cools
   • How big a brick is
   • How well bricks grip each other (answer)
4. What happened in 1960?
   • A fire burned the wooden toy warehouse (answer)
   • The wheel was invented
   • DUPLO was sold
5. Why did plastic suit toys?
   • It is cheap to eat
   • It is easy to clean and comes in many colors (answer)
   • It floats on air

Words

• clutch: grip strength
• granules: tiny grains