Connect Reading and Writing

    Vocabulary

  • active

  • dangerous

  • erupt

  • forces

  • layers

  • surface

  • volcano

  • warnings

Critical Thinking

  • 1. SUM IT UP Create a Fact Web. Write at least six facts about volcanoes. Then use your web to sum up the selection.

    Fact Web

    Fact Web

  • 2. Make Judgments Why do people live near active volcanoes? Do you think they should? Explain your reasoning.

  • 3. Classify Describe two different kinds of lava. Tell about the type of layers and mountains that each kind of lava forms.

  • 4. Infer Many volcanoes form along the edges of big plates, or pieces of Earth’s surface. Why do you think this is so? Use facts in the text to support your answer.

Reading Fluency

Phrasing Read the passage on page 574 to a partner. Assess your fluency.

  • 1. I read

    • a. great

    • b. OK

    • c. not very well

  • 2. What I did best in my reading was ______.

Reading Strategy

Make Connections

What connections did you make to your own life, to other texts, and to the world? Tell a partner about one of each.

Vocabulary Review

Oral Review Read the paragraph aloud. Add the vocabulary words.

A ______ is not just a mountain with hot lava. An ______ volcano is one that can ______, or explode. Pressure in the center of Earth ______ hot liquid rock through cracks in the crust. The hot rock, or lava, can be extremely ______! Scientists try to give ______ so people can escape. When lava from an explosion eventually cools, it adds new ______ to the ______ of Earth.

Written Review Pretend that you are a radio announcer. Write a warning about a volcano in your area that may erupt. Use five vocabulary words.

Illustration of a pen icon Write About the Guiding Question

Explore Natural Forces

Imagine that you are going to work with Joanne Green, the volcanologist in the selection. How do you prepare for this dangerous job? Reread the selection and look for details that support your answer.