Seas of the Hammerhead: teacher key

Hammerhead Sharks, grade 3 edition, written for 3rd grade. A hammerhead has a wide head with eyes at the ends. Find out where it swims, what it eats and how big its pups are.

Read the book. Print this page for the key.

Questions and answers

1. What is the wide, hammer-shaped head called?
   • The cephalofoil (answer)
   • The notch
   • The school
2. What do the wide-set eyes give a hammerhead?
   • A notch
   • Good sight (answer)
   • Warm water
3. Where does a great hammerhead live?
   • Only in rivers
   • Close to shore and far out at sea (answer)
   • Only on the sand
4. How long is a great hammerhead pup when it is born?
   • 5 meters
   • 5 centimeters
   • 50 to 70 centimeters (answer)
5. Which kind of hammerhead has a notch in the front of its head?
   • The scalloped hammerhead (answer)
   • The great hammerhead
   • Both have a notch
6. What does the word crustaceans mean here?
   • Crabs and kin (answer)
   • Young sharks
   • Warm seas

Words

• cephalofoil: wide hammer head
• scalloped: a hammerhead kind
• notch: small dip
• crustaceans: crabs and kin