Trash Vortex Chapter 1 Authors Purpose

Why do sailors avoid the North Pacific ocean?

• The wind is too calm to move sailboats

• There is too much trash polluting the ocean.

• The sailors hit a large iceberg.

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What did Charles Moore discover at the center of the gyre?

• He discovered a large iceberg covered in plastic and dying animals.

• He discovered sea creatures including whales, sharks, and sea turtles, swimming in the clear ocean water.

• He discovered a huge amount of tiny plastic pieces floating.

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How do the gyres affect the plastic in the ocean?

• Like a leaf blower, they spread the plastic out.

• Like a toilet bowl, they swirl the plastic together into one spot and break it down.

• Like a grocery store, they collect the plastic so it can be frozen into icebergs.

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What mainly happened in this chapter?

• It is mainly about the habits of whales and other sea mammals.

• Charles Moore has a successful sea voyage and enjoys the weather.

• Charles Moore sees a lot of plastic in the ocean and learns where it comes from.

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Check the TWO central ideas of the chapter.

• Whales communicate with one another using calls.

• There is a large amount of plastic floating in the ocean.

• Ocean gyres move the plastic and create vortexes.

• Icebergs are always bigger underwater than above.

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What does the author use to communicate the central ideas? CHOOSE TWO!

• Story and description of the discovery of the plastic.

• An interview with an expert in the field.

• Sharing research studies on the topic.

• Detailed explanation of how gyres form.

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Why does the author include the story about Charles Moore discovering the plastic?

• It is a good way to give information quickly.

• It persuades the reader to go on a whale watching cruise in the north Pacific ocean.

• It engages the reader and makes the book more interesting.

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Why does the author describe in detail how gyres form?

• To engage the reader. Facts and numbers are exciting!

• To persuade people to clean up their beaches.

• To give information about how a plastic gyre breaks up plastic.

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What is the overall purpose of the section we read?

• To share information on the problem of plastic in the ocean.

• To persuade readers that they have a responsibility to clean up.

• To entertain the reader with interesting facts and pictures.

• To give instructions to readers about how to visit a gyre.

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