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1 Space and Technology by Rose Murray Genre Comprehension Skill Text Features Science Content Nonfiction Important Details Captions Glossary Day and Night Sky Scott Foresman Science 1.11 ì<(sk$m)=bdhgdd< +^-Ä-U-Ä-U ISBN

2 Vocabulary Moon planet Day and Night Sky by Rose Murray rotation star Sun telescope Illustrations: 6 Hank Dawson Photographs: Every effort has been made to secure permission and provide appropriate credit for photographic material. The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions. Unless otherwise acknowledged, all photographs are the property of Scott Foresman, a division of Pearson Education. Photo locators denoted as follows: Top (T), Center (C), Bottom (B), Left (L), Right (R) Background (Bkgd) Opener: Dale C. Spartas/Corbis; Title Page: Jet Propulsion Laboratory/NASA; 2 Dale C. Spartas/Corbis; 4 NASA; 5 (B) John Henley/Corbis, (C) Richard Glover/Corbis; 7 (C) Royalty- Free/Corbis, (B) Tibor Bognár/Corbis; 8 Roger Ressmeyer/Corbis; 9 Jerry Lodriguss/Photo Researchers, Inc.; 10 DK Images; 11 Roger Ressmeyer/Corbis; 12 Jet Propulsion Laboratory/ NASA; 13 Johnson Space Center/NASA; 14 (CL, CCL, CCR) Dennis di Cicco/Corbis, (CR) Jeff Vanuga/Corbis; 15 Stone/Getty Images ISBN: Copyright Pearson Education, Inc. All Rights Reserved. Printed in the United States of America. This publication is protected by Copyright and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permissions, write to: Permissions Department, Scott Foresman, 1900 East Lake Avenue, Glenview, Illinois V

3 What is in the day sky? The Sun is a big ball of hot gas. Light from the Sun warms Earth. The Sun makes the day bright. What can you see in the day sky? You may see clouds. You may see the Moon too. You can see the Moon more at night. 2 3

4 The Bright Sun The Sun lights Earth. This light keeps Earth warm. Living things need this light. The Sun is bigger than Earth. It looks small. It is far away. It seems to move across the sky. The Sun is low in the sky early in the day. The Sun is above you at noon. 4 5

5 What causes day and night? Earth is always moving. Earth turns around and around. This is called rotation. Earth makes one rotation each day. Part of Earth faces the Sun. Then it is day. Part of Earth faces away from the Sun. Then it is night. Rotation makes day and night. 6 7

6 What is in the night sky? Stars are in the sky. A star is a big ball of hot gas. Stars give off light. Stars seem to move across the sky. Earth is a planet. Nine planets move around the Sun. Planets do not give off light. 8 9

7 Most planets are hard to see. You can use a telescope. A telescope makes things that are far away look closer. Stars look small. They are far away. The Sun is the closest star to Earth

8 The Moon at Night The Moon moves around Earth. The Moon is round. The Moon looks small. It is far away. The Moon is not like Earth. It has no air. It has no living things

9 The Sun shines light on the Moon. We only see the part that is lit. The Moon looks different each night. It looks the same again in about 29 days. Look at the sky in the day. Look at the sky at night. How are they different? What can you see in the sky? 14 15

10 Glossary Moon planet rotation star Sun an object that moves around Earth an object in the sky that does not give off light Earth turning around and around a big ball of hot gas a big ball of hot gas that gives Earth light What did you learn? 1. What do living things need from the Sun? 2. What movement of Earth makes day and night? 3. Many objects in the sky look small but they are not small. They are big. Write to explain this. Use words from the book as you write. 4. Important Details What words can you use to describe the Moon? telescope a tool that makes things that are far away look closer 16