Coral Reef Ecosystems (Nonfiction Passage)
Written by Adi Ackerman, Head Teacher
"Coral Reef Ecosystems" is a 5th Grade nonfiction reading passage worksheet for ages 10-11: an article of about 270 words about how coral reefs depend on tiny partners and why warmer water puts them at risk, plus a page of five questions on vocabulary in context, cause and effect and the author's purpose. It covers Common Core RI.5.1 and includes an answer key.


2 pages in this set
Read about coral reef ecosystems, then answer 5 questions on how coral and algae depend on each other, the word accumulate, and warming water. Part of our nonfiction passages collection. Aligned to Common Core standards.
How to use “Coral Reef Ecosystems” with 5th graders
Start with a minute of talk: Why do you think reefs are called the rainforests of the sea? Then have students read the passage on page 1, about 270 words in 6 short paragraphs, pencil in hand. They can underline facts as they go. Then students move to page 2 for three multiple choice items and two written responses, citing evidence for each answer in their own words. Check the work with the answer key.
Skills students practice in this 5th grade nonfiction passage
- Work out what "accumulate" means from the words around it
- Explain why something happens in "Coral Reef Ecosystems" and name the cause and the effect
- Write complete sentences to answer prompts such as "Why does the author say reefs cover under one percent of the ocean?"

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Curriculum Links
Common Core State Standards
Reading · 5th Grade
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FAQ
How to use “Coral Reef Ecosystems” with 5th graders
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Start with a minute of talk: Why do you think reefs are called the rainforests of the sea? Then have students read the passage on page 1, about 270 words in 6 short paragraphs, pencil in hand. They can underline facts as they go. Then students move to page 2 for three multiple choice items and two written responses, citing evidence for each answer in their own words. Check the work with the answer key.
What does this worksheet teach?
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Coral Reef Ecosystems gives 5th grade students a nonfiction passage of about 270 words about how coral reefs depend on tiny partners and why warmer water puts them at risk, followed by five questions. The questions practice vocabulary in context, cause and effect and the author's purpose, and the sheet is aligned to Common Core RI.5.1. An answer key is included.
What is "Coral Reef Ecosystems" about?
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Coral Reef Ecosystems is a nonfiction passage of about 270 words about how coral reefs depend on tiny partners and why warmer water puts them at risk. It is written for 5th grade readers (ages 10-11) and has 6 short paragraphs, so students can read it in one sitting.
Which reading skills does the Coral Reef Ecosystems worksheet practice?
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Its five questions, three multiple choice and two written, practice cause and effect, vocabulary in context and the author's purpose. Questions include "What is the relationship between a coral and its algae" and "Why is warm water dangerous for reefs". The sheet is aligned to Common Core RI.5.1, and the answer key is included so you can check responses quickly.
How can I introduce "Coral Reef Ecosystems" before students read?
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Try this conversation starter: Why do you think reefs are called the rainforests of the sea? Let students skim the title, then read once for the gist. A second pass with a pencil helps them mark the facts they need.
How long does the Coral Reef Ecosystems worksheet take, and can I use it at home or in class?
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Plan about 20 to 25 minutes in all: the reading first, then the five questions. At home, a parent can read the questions aloud and talk through the written answers. In class, it works well for independent practice or a quick check of vocabulary in context and cause and effect.
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Worksheet Details
| Grade | 5th Grade |
| Subject | Reading |
| Topic | Paragraphs & Passages |
| Standard | RI.5.1 |
| Pages | 2 pages |
| Difficulty | Medium |
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