Mysterious Oceans Comprehension

Where is the Challenger Deep located?

• 42 Wallaby Way, Sydney

• The coast of Alaska

• The Puerto Rico Trench

• The Mariana Trench

On average, oceans are about _____ miles deep.

The Challenger Deep descends nearly ______ miles.

What does "descend" mean? Check paragraph 2 on page 410 to help you answer.

• To go downward.

• To go upward.

• To go right.

• To go left.

What does the word "cache" mean? Refer to paragraph 4 on page 410 to help you answer this question.

• To write a check.

• To catch a ball.

• To hide away.

• Money you spend.

The deep ocean is:

• Scary

• Mysterious

• Funny

• Adaptation

Draw a picture of a submersible (page 412).

What does bioluminous mean (page 412)?

• wet

• dark

• artificially glowing

• naturally glowing

What kinds of creatures live near heated vents?

How many ocean species have scientists discovered in the last few decades?

• 1,250

• more than 1,500

• 1,000

• less than 1,500