mimicry (mimºi krē) Grade © Macmillan/McGraw-Hill Photograph by © Michael And Patricia Fogden/Minden Pictures Photograph by © C Squared Studios/Getty Images, Inc © Macmillan/McGraw-Hill Grade Grade (miksºchәr) Vocabulary Routine mixture Define: When one thing imitates the traits of another mimicry Example: Some insects use mimicry to look like other (mimºi krē) insects and fool predators Ask: Why some insects use mimicry to look like a stick? (It can hide from predators or attack its own prey.) © Macmillan/McGraw-Hill Grade Photograph by © Michael And Patricia Fogden/Minden Pictures Photograph by © C Squared Studios/Getty Images, Inc © Macmillan/McGraw-Hill Grade Published by Macmillan/McGraw-Hill, of McGraw-Hill Education, a division of The McGraw-Hill Companies, Inc., Two Penn Plaza, New York, New York 10121 Ask: If you have a mixture of sand and gravel, how can you separate the sand? Copyright © by Macmillan/McGraw-Hill All rights reserved 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 the prior written consent of The McGraw-Hill Companies, Inc., including, but not limited to, network storage or transmission, or broadcast for distance learning ingredients (miksºchәr) Example: Soda is a mixture of sugar, water, and other Printed in Mexico mixture Define: Different kinds of matter blended together 078 09 08 07 06 Vocabulary Routine ISBN 13: 978-0-02-286133-9 ISBN 10: 0-02-286133-5 VC3_CA_SC08_091-100.indd 98 VC3_CA_SC08_091-100.indd 97 8/21/06 3:12:48 PM 8/21/06 3:12:52 PM Vocabulary Routine Define: When one thing imitates the traits of another Example: Some insects use mimicry to look like other insects and fool predators Ask: Why some insects use mimicry to look like a stick? (It can hide from predators or attack its own prey.) Ask: If you have a mixture of sand and gravel, how can you separate the sand? Vocabulary Cards Example: Soda is a mixture of sugar, water, and other ingredients Vocabulary Cards help build word knowledge and understanding of Science Glossary terms by: • providing an opportunity for vocabulary preview, Define: Different kinds of matter blended together review, and reinforcement • fostering language development skills • supporting the acquisition of academic language for Vocabulary Routine English learners Vocabulary Cards can be placed in your classroom Science Center VC3_CA_SC08_091-100.indd 98 8/21/06 3:12:52 PM absorb (әb sôrbº) © Macmillan/McGraw-Hill Photograph by (Green leaf): © David Fischer/Photodisc Red/Getty Images, Inc (Red flower): © Lisa Barber/Photonica/Getty Images, Inc Grade Photograph by © Qt Luong/Terragalleria.Com © Macmillan/McGraw-Hill Grade (aªdapªtāºshәn) adaptation Vocabulary Routine Define: A special trait that helps a living thing survive in its environment Example: A fish’s gills are an example of adaptation Ask: How are a bear’s claws an adaptation that helps it feed? absorb? Ask: Which colors of light does a green leaf others Example: Some materials absorb more light than Define: To take in Vocabulary Routine air bladder (âr blaºdәr) © Macmillan/McGraw-Hill Grade Photograph by © Marty Snyderman/Stephen Frink Collection/Alamy Photograph by © Ralph A Clevenger/CORBIS © Macmillan/McGraw-Hill Grade (alºjē) algae Vocabulary Routine Define: Tiny one-celled organisms that use water, air, and sunlight to make food Example: Algae are plantlike living things often found in shallow water Ask: How you know that the green algae growing on the surface of a pond is a living thing? it swim? Ask: How does an air bladder inside a fish help Example: Kelp has air bladders that help it float for holding gases Define: A balloonlike structure in plants and animals Vocabulary Routine arctic tundra (ärkºtik tәnºdrә) © Macmillan/McGraw-Hill Grade Photograph by © B & C Alexander/NHPA Photograph by © Blickwinkel/Alamy © Macmillan/McGraw-Hill Grade (am fibºē әn) amphibian Vocabulary Routine Define: An animal that spends part of its life in water and part on land Example: Frogs and salamanders are amphibians Ask: What type of amphibian lives on the banks of small streams? Ask: How does the ground in the artic tundra keep trees from growing there? Example: Winters on the arctic tundra are long and dark Define: A cold biome above the Arctic Circle Vocabulary Routine asteroid (asºtә roidª) © Macmillan/McGraw-Hill Photograph by © Kauko Helavuo/The Image Bank/Getty Images, Inc Grade Photograph by © NASA/Science Photo Library © Macmillan/McGraw-Hill Grade (asºtrә not) astronaut Vocabulary Routine Define: A large piece of rock or metal in space Example: Many asteroids orbit the Sun Ask: What materials might be part of an asteroid traveling through space? Ask: Why astronauts travel to the Moon? Example: Astronauts traveled to the Moon to study it up close Define: A person who travels into space Vocabulary Routine Vocabulary Routine Define: A material that does not absorb or reflect much light energy Example: A clear glass window is transparent Ask: Why would you be able to read a book through a transparent plastic covering? Ask: How does a transverse wave move like water in the ocean? Example: Light is made up of transverse waves Define: A wave that moves in an up and down motion Vocabulary Routine tropical rain forest (träºpi kәl © Macmillan/McGraw-Hill Photograph by © Age Fotostock/Superstock rān fôrºәst) Grade Photograph by © Blickwinkel/Alamy © Macmillan/McGraw-Hill Grade (tәrºbīn) turbine Vocabulary Routine Define: A hot, wet forest biome found near the equator Example: There are more kinds of living things in tropical rain forests than in any other land biome Ask: What kinds of animals live in the warm and wet world of a tropical rain forest? Ask: How does water flowing through a turbine help to produce energy? Example: A simple turbine looks like an electric fan that moves when steam, water, or air pushes against the blades Define: A machine that turns and produces energy Vocabulary Routine ultraviolet waves (әlªtrә vīºә lәt © Macmillan/McGraw-Hill wāvz) Grade Photograph by © Michael Keller/Index Stock Photograph by © Sandra Williams © Macmillan/McGraw-Hill Grade (әnºdәr stôrªē) understory Vocabulary Routine Define: The area in a forest between the canopy and the ground Example: Leopards, frogs, and many insects live in the understory of the rain forest Ask: Which predators can animals that live in the forest’s understory avoid? Sun’s ultraviolet waves? Ask: How can you protect your skin from the waves from the Sun Example: Tans and sunburns are caused by ultraviolet reaction in the skin Define: An invisible form of light that can cause a Vocabulary Routine visible light (viºzә bәl līt) © Macmillan/McGraw-Hill Grade Photograph by © Ted Kinsman/Photo Researchers, Inc Photograph by © David Gregs/Alamy © Macmillan/McGraw-Hill Grade (viºbrāt) vibrate Vocabulary Routine Define: The range of light energy that humans can see Example: Visible light includes all of the colors you see Ask: How does visible light help us to see objects around us? a bell and make it vibrate? Ask: How is a sound produced when you hit and release it Example: A guitar string vibrates when you pull Define: To move back and forth quickly Vocabulary Routine waning (wānºing) © Macmillan/McGraw-Hill Grade Photograph by © Eckhard Slawik/Photo Researchers, Inc Photograph by © Macmillan McGraw-Hill © Macmillan/McGraw-Hill Grade (volºūm) volume Vocabulary Routine Define: The amount of space that an object takes up Example: Volume is often measured in liters or cubic meters Ask: How could you measure the volume of an empty water bottle? Ask: If you watched a waning moon change over a few days, what would you see? Example: A waning Moon may go from full to half Define: In the process of getting smaller Vocabulary Routine water vapor (wôºtәr vāºpәr) © Macmillan/McGraw-Hill Grade Photograph by © Glen Allison/Getty Images, Inc Photograph by © Surfpix/Alamy © Macmillan/McGraw-Hill Grade (wāv) wave Vocabulary Routine Define: A disturbance that moves through matter or space Example: If you jostle water in a glass, you create small waves Ask: What type a wave you make by moving a rope up and down quickly? near the ground? Ask: What we call water vapor we can see Example: Water vapor is an invisible part of the air Define: The gas state of water Vocabulary Routine waxing (waxºing) © Macmillan/McGraw-Hill Grade Photograph by © Eckhard Slawik/Photo Researchers, Inc Photograph by © G P Bowater/Alamy © Macmillan/McGraw-Hill Grade (wetºland) wetland Vocabulary Routine Define: Environments where water covers the soil for most of the year Example: Bogs, swamps, and marshes are all wetland environments Ask: Why would you be likely to find a wetland near a river or lake? Ask: How can you tell if the Moon is waxing? Example: A waxing Moon may go from half to full Define: In the process of getting larger Vocabulary Routine wind power (wind pouºәr) © Macmillan/McGraw-Hill Grade Photograph by © Brian Lawrence/Imagestate/Alamy Photograph by © Russ Widstrand/Alamy © Macmillan/McGraw-Hill (eksºrā Grade wāvz) X-ray waves Vocabulary Routine Define: A renewable kind of energy that uses the power of the wind Example: Windmills are actually turbines that can gather wind power and produce electricity Ask: Why can wind power be used in mountain valleys, along the coastline, or in wide flat areas? Ask: What material in the body are X-ray waves not able to pass through? Example: X-ray waves are used to take pictures of bones inside the body Define: An invisible form of light energy that can pass through objects Vocabulary Routine ... you separate the sand? Vocabulary Cards Example: Soda is a mixture of sugar, water, and other ingredients Vocabulary Cards help build word knowledge and understanding of Science Glossary terms... vocabulary preview, Define: Different kinds of matter blended together review, and reinforcement • fostering language development skills • supporting the acquisition of academic language for Vocabulary. .. acquisition of academic language for Vocabulary Routine English learners Vocabulary Cards can be placed in your classroom Science Center VC3_CA_SC08_091-100.indd 98 8/21/06 3:12:52 PM absorb (әb