Science A Closer Look Grade 2 PDF
Preview Science A Closer Look Grade 2
TP_287196.indd 1 TP_287196.indd 1 6/15/07 6:42:56 AM 6/15/07 6:42:56 AM Program Authors Dr. Jay K. Hackett Professor Emeritus of Earth Sciences University of Northern Colorado Greeley, CO Dr. Richard H. Moyer Professor of Science Education and Natural Sciences University of Michigan–Dearborn Dearborn, MI Dr. JoAnne Vasquez Elementary Science Education Consultant NSTA Past President Member, National Science Board and NASA Education Board Mulugheta Teferi, M.A. Principal, Gateway Middle School Center of Math, Science, and Technology St. Louis Public Schools St. Louis, MO Dinah Zike, M.Ed. Dinah Might Adventures LP San Antonio, TX Kathryn LeRoy, M.S. Executive Director Division of Mathematics and Science Education Miami-Dade County Public Schools, FL Miami, FL Dr. Dorothy J. T. Terman Science Curriculum Development Consultant Former K–12 Science and Mathematics Coordinator Irvine Unified School District, CA Irvine, CA Dr. Gerald F. Wheeler Executive Director National Science Teachers Association Bank Street College of Education New York, NY Contributing Authors Dr. Sally Ride Sally Ride Science San Diego, CA Lucille Villegas Barrera, M.Ed. Elementary Science Supervisor Houston Independent School District Houston, TX American Museum of Natural History New York, NY Contributing Writer Ellen C. Grace, M.S. Consultant Albuquerque, NM Students with print disabilities may be eligible to obtain an accessible, audio version of the pupil edition of this textbook. Please call Recording for the Blind & Dyslexic at 1-800-221-4792 for complete information. Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United States Copyright Act, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without prior permission of the publisher. Send all inquiries to: Glencoe/McGraw-Hill 8787 Orion Place Columbus, OH 43240-4027 ISBN: 978-0-02-287196-3 MHID: 0-02-287196-9 Printed in the United States of America. 1 2 3 4 5 6 7 8 9 10 (027/043) 11 10 09 08 07 A ii 0ii_iii_FM_AUTH_287196.indd ii 0ii_iii_FM_AUTH_287196.indd ii 6/18/07 4:05:14 PM 6/18/07 4:05:14 PM Paul R. Haberstroh, Ph.D. Mohave Community College Lake Havasu City, AZ Timothy Long School of Earth and Atmospheric Sciences Georgia Institute of Technology Atlanta, GA Rick MacPherson, Ph.D. Program Director The Coral Reef Alliance San Francisco, CA Hector Córdova Mireles, Ph.D. Physics Department California State Polytechnic University Pomona, CA Charlotte A. Otto, Ph.D. Department of Natural Sciences University of Michigan-Dearborn Dearborn, MI Paul Zitzewitz, Ph.D. Department of Natural Sciences University of Michigan-Dearborn Dearborn, MI Cathy Constance Science Coordinator Youngstown City Schools Youngstown, OH Kevin Cornell Teacher Menlo Park Elementary Huber Heights City Schools Huber Heights, OH Carolyn Day Director of School Improvement Past Science and Math Supervisor Dayton Public Schools Dayton, OH Chris Doolittle Science Resources Westerville City Schools Westerville, OH Jim Hooper Science Curriculum Leader Vandalia-Butler City Scools Vandalia, OH James Lay Teacher Dayton Public Schools Dayton, OH Chris Moore-Goad Math and Science Specialist Kettering City Schools Kettering, OH Mary Ellen Murray Science Curriculum Coordinator Parma City Schools Parma, OH Kevin Stinson Science Manager, K-12 Cincinnati City Schools Cincinnati, OH Elizabeth Voit K-5 Science Curriculum Coordinator Cleveland Municipal Schools Cleveland, OH Tracie Walsh Teacher Oakview Elementary Kettering City Schools Kettering, OH Deb Wickerham Findlay City Schools Findlay, OH Jeff Winslow Science Supervisor Talawanda Schools Oxford, OH Missi Zender, Ph.D. Science Resource Specialist Summit County ESC Cuyahoga Falls, OH The American Museum of Natural History in New York City is one of the world’s preeminent scientific, educational, and cultural institutions, with a global mission to explore and interpret human cultures and the natural world through scientific research, education, and exhibitions. Each year the Museum welcomes around four million visitors, including 500,000 schoolchildren in organized field trips. It provides professional development activities for thousands of teachers; hundreds of public programs that serve audiences ranging from preschoolers to seniors; and an array of learning and teaching resources for use in homes, schools, and community-based settings. Visit www.amnh.org for online resources. is a trademark of The McGraw-Hill Companies, Inc. Content Consultants Editorial Advisory Board iii 0ii_iii_FM_AUTH_287196.indd iii 0ii_iii_FM_AUTH_287196.indd iii 6/15/07 1:26:40 PM 6/15/07 1:26:40 PM iv FM_BAS_287196.indd iv FM_BAS_287196.indd iv 6/15/07 6:41:47 AM 6/15/07 6:41:47 AM v BE A SCIENTIST FM_SCM_287196.indd v FM_SCM_287196.indd v 6/15/07 6:42:28 AM 6/15/07 6:42:28 AM Ohio: A Closer Look . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Cuyahoga Valley National Park Peregrine Falcons on the Rhodes Tower CHAPTER 1 Plants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Lesson 1 What Living Things Need . . . . . . . . . . . . . . . . . 26 • Inquiry Skill Builder . . . . . . . . . . . . . . . . . . . . 32 Lesson 2 Plants Make New Plants . . . . . . . . . . . . . . . . . . 34 • Writing in Science • Math in Science . . . . . . 42 Lesson 3 How Plants Are Alike and Different . . . . . . . . 44 Reading in Science . . . . . . . . . . . . . . . . . . . . . . 50 I Read to Review: Peach Tree . . . . . . . . . . . . . . . . . . . . . . . 52 Chapter 1 Review and Standards Practice . . . . . . . . . . . . . . 56 CHAPTER 2 Animals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Lesson 1 Animal Groups . . . . . . . . . . . . . . . . . . . . . . . . . . 60 • Inquiry Skill Builder . . . . . . . . . . . . . . . . . . . . 66 Lesson 2 Animals Grow and Change . . . . . . . . . . . . . . . . 68 Reading in Science . . . . . . . . . . . . . . . . . . . . . . 74 Lesson 3 Staying Alive . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 • Writing in Science • Math in Science . . . . . . 82 I Read to Review: So Many Animals! . . . . . . . . . . . . . . . . . 84 Chapter 2 Review and Standards Practice . . . . . . . . . . . . . 88 vi FM_TOC_287196.indd vi FM_TOC_287196.indd vi 6/15/07 6:42:41 AM 6/15/07 6:42:41 AM CHAPTER 3 Looking at Habitats . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Lesson 1 Places to Live . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 • Inquiry Skill Builder . . . . . . . . . . . . . . . . . . . . 98 Lesson 2 Food Chains and Food Webs . . . . . . . . . . . . . 100 • Writing in Science • Math in Science . . . . . 106 Lesson 3 Habitats Change . . . . . . . . . . . . . . . . . . . . . . . 108 Be a Scientist . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1 8 I Read to Review: Changing Habitats . . . . . . . . . . . . . . . . 120 Chapter 3 Review and Standards Practice . . . . . . . . . . . . 124 Unit Literature The Seed . . . . . . . . . . . . . . . . . . . . . . . . 126 vii FM_TOC_287196.indd vii FM_TOC_287196.indd vii 6/15/07 6:42:44 AM 6/15/07 6:42:44 AM Ohio: A Closer Look . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 Cincinnati Observatory The John H. Glenn Research Center at Lewis Field CHAPTER 4 Earth in Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134 Lesson 1 Day and Night . . . . . . . . . . . . . . . . . . . . . . . . . 136 • Inquiry Skill Builder . . . . . . . . . . . . . . . . . . . 142 Lesson 2 Why Seasons Happen . . . . . . . . . . . . . . . . . . . 144 • Writing in Science • Math in Science . . . . . 150 Lesson 3 The Moon and Stars . . . . . . . . . . . . . . . . . . . . 152 • Be a Scientist . . . . . . . . . . . . . . . . . . . . . . . . 160 I Read to Review: Our Moving Earth . . . . . . . . . . . . . . . . 162 Chapter 4 Review and Standards Practice . . . . . . . . . . . . 166 viii FM_TOC_287196.indd viii FM_TOC_287196.indd viii 6/15/07 6:42:46 AM 6/15/07 6:42:46 AM CHAPTER 5 Observing Weather . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Lesson 1 Weather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 • Writing in Science • Math in Science . . . . . 176 Lesson 2 The Water Cycle . . . . . . . . . . . . . . . . . . . . . . . 178 • Inquiry Skill Builder . . . . . . . . . . . . . . . . . . . 184 Lesson 3 Changes in Weather . . . . . . . . . . . . . . . . . . . . 186 Reading in Science . . . . . . . . . . . . . . . . . . . . . 192 I Read to Review: Earth’s Water Cycle . . . . . . . . . . . . . . . 194 Chapter Review and Standards Practice . . . . . . . . . . . . . . 198 Unit Literature Sun Flakes . . . . . . . . . . . . . . . . . . . . . . . 200 ix FM_TOC_287196.indd ix FM_TOC_287196.indd ix 6/15/07 6:42:48 AM 6/15/07 6:42:48 AM Ohio: A Closer Look . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 Marblehead Lighthouse Dayton Philharmonic Orchestra CHAPTER 6 Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 Lesson 1 Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 • Writing in Science • Math in Science . . . . . 218 Lesson 2 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 • Be a Scientist . . . . . . . . . . . . . . . . . . . . . . . . 226 I Read to Review: Energy Poem . . . . . . . . . . . . . . . . . . . . 228 Chapter Review and Standards Practice . . . . . . . . . . . . . . 232 Unit Literature Popcorn Hop . . . . . . . . . . . . . . . . . . . . . 234 Careers in Science . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 x FM_TOC_287196.indd x FM_TOC_287196.indd x 6/15/07 6:42:50 AM 6/15/07 6:42:50 AM xi FM_TOC_287196.indd xi FM_TOC_287196.indd xi 6/15/07 6:42:52 AM 6/15/07 6:42:52 AM CHAPTER 1 Explore Activities What do leaves need? . . . . . . . . . .27 What are the parts of a seed? . . . .35 How do roots grow? . . . . . . . . . . .45 Quick Labs Plants and Water . . . . . . . . . . . . . .30 Seed Protection . . . . . . . . . . . . . . .38 Plants and Light . . . . . . . . . . . . . . .48 CHAPTER 2 Explore Activities How can we put animals into groups? . . . . . . . . . . . . . . . . . . 61 How are babies and adults alike and different? . . . . . . . . . . . .69 How does the color of an animal keep it safe? . . . . . . . . . . . . . . . . . .77 Quick Labs Make an Animal Model . . . . . . . . .65 Act Out an Animal Life Cycle . . . . 71 Animal Eyes . . . . . . . . . . . . . . . . . . 81 CHAPTER 3 Explore Activities Where do animals live? . . . . . . . . 93 What do animals eat? . . . . . . . . . .101 What happens when habitats change? . . . . . . . . . . . . . 109 Quick Labs Plant and Animal Habitats . . . . . 97 Food Chain Fun . . . . . . . . . . . . . . 103 Habitat Comic Strip . . . . . . . . . . . .114 Life Sciences xii FM_TOC-ACT_287196.indd xii FM_TOC-ACT_287196.indd xii 6/15/07 6:42:32 AM 6/15/07 6:42:32 AM FM_Caption_wArrow CHAPTER 4 Explore Activities Why can’t we see the Sun at night? . . . . . . . . . . . . . . . . 137 What clothes do people wear in each season? . . . . . . . . . . 145 How do we see the Moon at night? . . . . . . . . . . . . . . 153 Quick Labs Moon Flip Book . . . . . . . . . . . . . . 140 Seasons . . . . . . . . . . . . . . . . . . . . . 147 Stars . . . . . . . . . . . . . . . . . . . . . . . 158 CHAPTER 5 Explore Activities How does the weather change each day? . . . . . . . . . . . . .171 Where did the water go? . . . . . . 179 How can clouds help predict the weather? . . . . . . . . . . 187 Quick Labs Make a Wind Sock . . . . . . . . . . . . 174 Model the Water Cycle . . . . . . . . 182 Make a Thunder Model . . . . . . . . 190 Be a Scientist investigations and Focus on Skills skill builders are found in the Activities Flipchart. Earth and Space Sciences xiii FM_TOC-ACT_287196.indd xiii FM_TOC-ACT_287196.indd xiii 6/15/07 6:42:34 AM 6/15/07 6:42:34 AM CHAPTER 6 Explore Activities How is sound made? . . . . . . . . . . 2 1 1 What does light pass through? . . . .221 Quick Labs Tuning Fork Ripples . . . . . . . . . . . 213 Prism Rainbow . . . . . . . . . . . . . . . 224 Physical Sciences xiv FM_TOC-ACT_287196.indd xiv FM_TOC-ACT_287196.indd xiv 6/15/07 6:42:38 AM 6/15/07 6:42:38 AM
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