Icebergs: Use the Index and Glossary – Try it

Read the article

Look at the subheadings, the bold words, the fact box, the glossary and the index.

Ice Giants at Sea

Page 1

What Is an Iceberg?

An iceberg is a big piece of ice floating in the sea. Most float in cold seas near the North and South Poles.

Page 2

Where Do Icebergs Come From?

Icebergs start out as part of a glacier. When a glacier reaches the sea, big chunks crack off. This is called calving. Icebergs are made of fresh water.

Page 3

Why Is Most of It Hidden?

Ice is a little lighter than water, so an iceberg floats low. Most of it stays hidden under the waves. Ships steer far around icebergs to stay safe.

Fact Box: Some icebergs are flat on top, like a table. Others have pointed tops.

Page 4

What Happens to an Iceberg?

Wind and currents push icebergs along. Icebergs drift for months or years. Seals and seabirds may rest on them. In warmer water, they melt.

Glossary

calving: when ice breaks off a glacier

drift: to be carried by wind or water

fresh water: water that is not salty

glacier: a huge mass of slow-moving ice on land

Index

calving, 2
drift, 4
fresh water, 2
glacier, 2
melting, 4
seabirds, 4
seals, 4
shapes, 3
ships, 3

Use the index

Use the index to answer. You do not need to read every page.

Use the index. Write the page number for each word.

ships: page
calving: page
seals: page

Omar wants to read about the shapes of icebergs. Use the index. Which page should he turn to?

A. page 1B. page 2C. page 3D. page 4

Use the index. Circle every word that you can read about on page 2.

Use the subheadings, glossary and fact box

Use the text features to find each answer.

Under which subheading did the article give each fact? Sort the facts.

The word drift is in bold. Use the glossary. What does drift mean?

A. to break off the end of a glacierB. to melt away slowly in warm waterC. to sink down deep under the wavesD. to be carried by wind or water

Use the glossary. Write the missing word.

Fresh water is water that is not .

Read the fact box. Which fact does it give?

A. Most icebergs are in cold seas.B. Some icebergs are flat on top.C. Icebergs can drift for years.D. Icebergs come from glaciers.

Find the subheading Why Is Most of It Hidden? Underline the sentence that tells where most of an iceberg is.

How is the index different from the glossary?

A. The index gives page numbers. The glossary tells what words mean.B. The index tells what words mean. The glossary gives page numbers.C. The index shows the photos. The glossary lists the subheadings.D. The index tells a story. The glossary lists the facts in order.

10.

Your friend asks, "What is calving?" Name two text features in this article that could help your friend find the answer. Then write what calving is.