Tiny Plastic, Big Problems

1. In your own words, summarize the central ideas of this article.

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2. What is the purpose of paragraph 1?

• A. to make readers curious about the "hidden" pollution

• B. to introduce the topic of pollution on the ground and in trees

• C. to argue that pollution on land is a more serious problem than pollution in the ocean

• D. to claim that pollution is becoming harder to see because people are ignoring it

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3. Based on the information in paragraph 4, what is the likely reason why experts have found less plastic floating in the ocean than they expected? Cite evidence from the text.

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4. PART A: As it is used in paragraph 10, the word "abundant" most closely means —

• A. dangerous.

• B. minimal.

• C. challenging.

• D. widespread.

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5. PART B: Which detail from paragraph 10 best supports the answer to Part A?

• A. "plastic pollution"

• B. "across the world's oceans"

• C. "circular currents"

• D. "difficult task"

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6. How does the study on zooplankton contribute to the development of ideas in the text? (Paragraphs 22-23)

• A. It suggests that small marine creatures can get nutrients from plastic.

• B. It reveals that some marine creatures can break down plastic particles.

• C. It confirms the theory that small marine creatures are eating plastic particles.

• D. It challenges the theory that small marine creatures are eating plastic particles.

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7. Which of the following is a likely conclusion based on the information provided in the section "Entering the Food Web"?

• A. If humans continue to pollute the ocean with plastic, it could have serious effects on the ocean's food chain and beyond.

• B. The plastic particles that end up in the ocean will be so degraded and small that they will not have a significant effect on the animals that might consume them.

• C. Many sea animals will likely learn to avoid consuming plastic so that it does not affect their health.

• D. Sea animals are being forced to eat more plastic particles because their natural food supply is decreasing.

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8. As it is used in paragraph 32, what is the meaning of the word "glom"?

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9. Based on the information in paragraphs 32-34, how did the banned substances DDT and PCBs end up in the ocean? Cite evidence in your answer.

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10. Explain TWO or more ways people can help prevent further pollution of the ocean with plastic.

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