The Hammer-Shaped Head: teacher key

Hammerhead Sharks, grade 4 edition, written for 4th grade. A hammerhead shark has a wide head with its eyes at the two ends. Read about its kinds, its seas, its food and its young.

Read the book. Print this page for the key.

Questions and answers

1. What is the wide head of a hammerhead called?
   • Ampullae
   • Cephalofoil (answer)
   • A school
2. Where are a hammerhead's eyes?
   • At the two ends of its head (answer)
   • Near its tail
   • In the notch
3. What is the biggest kind of hammerhead?
   • The scalloped hammerhead
   • The notched hammerhead
   • The great hammerhead (answer)
4. Which kind of hammerhead has a nearly straight front edge on its adult head?
   • The great hammerhead (answer)
   • The scalloped hammerhead
   • Neither kind
5. What does the word migrate mean here?
   • To travel as the seasons change (answer)
   • To eat crabs
   • To swim in a school
6. How do hammerhead pups come into the world?
   • From eggs
   • As live pups (answer)
   • On the shore

Words

• cephalofoil: wide hammer head
• ampullae: electric sense organs
• migrate: travel with seasons
• crustaceans: crabs and kin