Grade 4: Sharks:

Sharks are about .................. million years old.

• 451

• 350

• 450

• 351

................ sharks are the largest.

• Whale

• Hammerhead

• Tiger

• Basking

Sharks swim all the time_ they never stop.

• True

• False

Sharks are intelligent.

• True

• False

Sharks sleep on the ocean floor.

• True

• False

Sharks can't see different colours.

• True

• False

There are ...................... families of sharks.

• 300

• 3000

• 20

• 30

All sharks are born from eggs.

• True

• False

Nurse sharks have more than ...................... teeth.

• 10000

• 2000

• 3000000

• 1000

The teeth of the nurse sharks can turn around in their mouthes.

• True

• False