Grade OPW]bWQTOQb]` :WdW\UbVW\UaRS^S\Rc^]\ bVSOPW]bWQTOQb]`aO`]c\RbVS[ b]ac`dWdS ŔCūPUJLGBLUȼS ;OQ[WZZO\ ;Q5`Oe6WZZ /\g\]\ZWdW\U^O`b]TO\SQ]agabS[ acQVOaeObS`[W\S`OZaac\ZWUVb OW`]`a]WZ 1OZWT]`\WOAQWS\QS $ 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 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 Printed in Mexico 078 09 08 07 06 ISBN 0-02-284476-7 Vocabulary Cards Vocabulary Cards help build word knowledge and understanding of Science Glossary terms by: • providing an opportunity for vocabulary preview, review, and reinforcement • fostering language development skills • supporting the acquisition of academic language for English learners Vocabulary Cards can be placed in your classroom Science Center abiotic factor (ā’bī ot’ik fak’tәr) © Macmillan/McGraw-Hill California Science / Any nonliving part of an ecosystem, such as water, minerals, sunlight, air, or soil Living things depend upon the abiotic factors around them to survive abrasion (ә brā’zhәn) © Macmillan/McGraw-Hill California Science / The process that occurs when sand, stones, and pebbles move and scrape across Earth’s surface, acting like sandpaper to pit and polish the surface Scraping a rock against the ground leads to the abrasion of both the ground and the rock absorption (ab sôrp’shәn) © Macmillan/McGraw-Hill California Science / The process of taking in radiant energy The absorption of light by green plants powers photosynthesis abyssal zone (ә bi’sәl zōn) © Macmillan/McGraw-Hill California Science / The part of the oceanic zone that is found at depths greater than 2,000 meters (6,562 feet), where there is no sunlight, it is very cold, and the water pressure is high Photosynthesis does not occur in the abyssal zone because there is total darkness The distance from the top of one crest to the top of the next or from the bottom of one trough to the bottom of the next A high note played on a flute has a shorter wavelength than a low note played on a tuba weather (weth’әr) © Macmillan/McGraw-Hill California Science / The day-to-day conditions of the atmosphere in a given area Weather is difficult to predict accurately because there are many factors that contribute to changes in the atmosphere weathering (weth’әr ing) © Macmillan/McGraw-Hill California Science / The gradual breakdown of rock into smaller pieces by natural processes such as precipitation, wind, plant growth, and temperature change Weathering is an important stage of the rock cycle wetland (wet’land’) © Macmillan/McGraw-Hill California Science / An area in which water is near the surface of the soil much of the time; in California most wetlands are salt marshes Wetlands control flooding and are home to many keystone species wind (wind) © Macmillan/McGraw-Hill California Science / Air that moves horizontally near Earth’s surface Winds naturally occur when air moves from an area of higher pressure to an area of lower pressure work (wûrk) © Macmillan/McGraw-Hill California Science / The use of force to move an object through a distance When you push a book across a table, you are doing work xylem (zī’lәm) © Macmillan/McGraw-Hill California Science / Tubes within a plant stem that take water and minerals up from the roots to the leaves Wood is composed primarily of xylem tissue zooplankton (zō’ә plangk’tәn) © Macmillan/McGraw-Hill California Science / Microscopic animals that feed on different types of plankton Zooplankton are primary and sometimes secondary consumers .. .Vocabulary Cards Vocabulary Cards help build word knowledge and understanding of Science Glossary terms by: • providing an opportunity for vocabulary preview, review,... language for English learners Vocabulary Cards can be placed in your classroom Science Center abiotic factor (ā’bī ot’ik fak’tәr) © Macmillan/McGraw-Hill California Science / Any nonliving part... Macmillan/McGraw-Hill California Science / The process of taking in radiant energy The absorption of light by green plants powers photosynthesis abyssal zone (ә bi’sәl zōn) © Macmillan/McGraw-Hill California Science