Crocodiles of the Nile: teacher key

Nile Crocodiles, grade 4 edition, written for 4th grade. A look at the largest crocodile in Africa: where it lives, what it eats and how it sits in the sun. Then see how a mother cares for her eggs, and how the young eat and grow.

Read the book. Print this page for the key.

Questions and answers

1. About how long is an average adult Nile crocodile, counting its tail?
   • About 16 feet (answer)
   • About 2 feet
   • About 60 feet
2. What is the main food of a Nile crocodile?
   • Leaves
   • Seeds
   • Fish (answer)
3. What does a crocodile's tail store?
   • Water
   • Fat (answer)
   • Eggs
4. How long do the eggs take to hatch?
   • About 90 days (answer)
   • About one week
   • About two years
5. Why might a mother dig up the nest?
   • The babies are ready to hatch (answer)
   • The sun is out
   • The river is dry
6. What does hatch mean?
   • Dig a hole
   • Lay an egg
   • Come from eggs (answer)

Words

• basks: sits in sun
• hatch: come from eggs
• nest: egg home