Excerpt from Deep Diving Adventurs by Sue Vander Hook

Excerpt from Deep Diving Adventurs by Sue Vander Hook

In paragraph 8, what does submersibles mean?

• tanks used for breathing underwater

• types of underwater cameras

• boats that can go underwater

• devices raised and lowered by weights

How do paragraphs 1 though 4 best introduce the topic of the passage?

• by explaining the importance of deep diving

• by providing an actual example of deep diving

• by showing the dangers of deep diving

• by describing the reasons for deep diving

What is the central idea of the section called "Exploring in Deep Waters"?

• Divers have explored the four major oceans of the world.

• Divers need special equipment to explore the bottom of the ocean.

• Divers explore cracks in the ocean floor formed by earthquakes.

• Divers encounter interesting animals deep within the ocean.

How does the author demonstrate that cold is a danger to deep divers?

• by showing how divers deal with cold temperatures

• by explaining how long divers can stay in cold water

• by comparing cold temperatures to running out of air

• by describing the effects of being exposed to cold water

Which sentence most accurately describes the author's point of view in the passage?

• Deep diving has provided valuable information about the bottom of the ocean.

• Walsh and Piccard are heroes in the history of ocean exploration.

• Submersibles are an important improvement over bathyscaphes for deep diving.

• Dealing with cold water is the most serious problem that Ivers must solve.

Which detail from the passage best reveals the author's point of view as indicated in the sentence below.

Deep diving has provided valuable information about the bottom of the ocean.

• "No one has traveled to the Mariana Trench since this adventure." (paragraph 4)

• "Submersibles can travel several thousand feet or meters underwater." (paragraph 8)

• "They have learned that oceans have similarities to land." (paragraph 9)

• "Divers in cold water may get hypothermia." (paragraph 11)

Which two reasons from the passage explain why the Mariana Trench had not been explored before 1960?

• The trench is almost seven miles deep.

• The trench was a recent discovery.

• The explorers needed almost five hours to reach the bottom.

• The explorers had to invent the bathyscaphe for the descent.

• The trench is filled with gas and boiling water.

What is the purpose of paragraph 5 in the overall structure of the passage?

• to support the description of the Mariana Trench expedition.

• to introduce the discussion of scuba diving and subersibles

• to give the reader background information on deep diving

• to provide the reader with information about the major oceans

Which detail in the section called "Deep Diving" most clearly supports the idea that the dive into the Mariana Trench was a difficult accomplishment?

• the statement that no one else has attempted the dive

• the description of the bathyscaphe's design

• the information about the strong water pressure

• the fact that the trench is in a remote part of an ocean

What is the author's purpose in this passage?

• to describe the Mariana Trench in the Pacific Ocean

• to warn divers that deep dives in the Pacific Ocean can be dangerous

• to provide the reader with a description of deep diving

• to explain how deep diving developed from scuba diving