River Giants of Africa: teacher key

Nile Crocodiles, grade 3 edition, written for 3rd grade. Find out how big a Nile crocodile grows and what it eats. See how a mother digs up her nest and carries her babies to the water.

Read the book. Print this page for the key.

Questions and answers

1. About how long is an average adult Nile crocodile?
   • 2 feet
   • 16 feet (answer)
   • 100 feet
2. How much longer does a young crocodile grow each year?
   • About 3 meters
   • Not at all
   • About 30 centimeters (answer)
3. Which animals does a Nile crocodile eat besides fish?
   • Bears and wolves
   • Zebras and porcupines (answer)
   • Cows and sheep
4. What does the mother do when the babies are ready?
   • She leaves
   • She digs up the nest (answer)
   • She swims away
5. Where could you find a Nile crocodile?
   • In a river in Africa (answer)
   • In a cold sea
   • On a high mountain
6. What does hatch mean?
   • Lay an egg
   • Dig a hole
   • Come from eggs (answer)

Words

• basks: sits in sun
• hatch: come from eggs
• porcupines: spiny animals
• marshes: wet land