Built to Smell and Wait: teacher key

Komodo Dragons, grade 7 edition, written for 7th grade. How a Komodo dragon finds food with its tongue and nose, how far it travels, and how big adults grow.

Read the book. Print this page for the key.

Questions and answers

1. How far can a Komodo dragon smell dead animals?
   • Up to 4 kilometers (answer)
   • Up to 4 meters
   • Up to 40 kilometers
2. What can a Komodo dragon's eyes do well?
   • See in full color at night
   • Pick up movement (answer)
   • See things 3 kilometers away
3. How fast can a Komodo dragon run in short bursts?
   • 60 kilometers per hour
   • 2 kilometers per hour
   • 16 to 20 kilometers per hour (answer)
4. What can you tell from the left tongue tip having more scent molecules?
   • Food is on the left (answer)
   • Food is on the right
   • Food is behind it
5. What does molecules mean here?
   • Big rocks
   • Tiny particles (answer)
   • Warm air

Words

• monitor: kind of lizard
• Jacobson's: scent organs
• molecules: tiny particles
• serrated: with tiny notches