2 11 all about sound (physical science)

... adapted What didAll you About learn? Plants What are the four parts of a plant? environment What are groups of plants? by two Leslie Ann Rotsky flower In this book you read about ways plants are adapted ... plant? Plants need water, air, and sun Plants need space Plants need nutrients Nutrients are the food that living things need to grow Plants get nutrients from soil and wa...

Ngày tải lên: 21/04/2017, 15:36

... makes sound Loudness You can use loudness to tell about a sound Loudness is how loud or soft a sound is How can you make a loud sound? Bang on a drum! What else makes a loud sound? Some sounds ... makes the sound with the lowest pitch? 13 Animals make many kinds of sounds Animal sounds can have a low or a high pitch 14 The bullfrog makes sounds with a low pitch This bird makes sound...

Ngày tải lên: 21/04/2017, 15:38

... Publishers, Attn: Permissions, 627 7 Sea Harbor Drive, Orlando, Florida 32 88 7-6777 Printed in China ISBN-10: 0-547 -25 2 92- 7 ISBN- 13: 9 78- 0-547 -25 2 92- 6 0940 18 17 16 15 14 13 12 11 If you have received ... figure out more about the selection TARGET STRATEGY Which word has another word in it that is the name of a food? 12 Level: K DRA: 20 Science Strategy: Infer/Predict Wor...

Ngày tải lên: 21/04/2017, 09:07

... garbage trucks roar by People talk Sounds are everywhere Some sounds you hear may hurt your ears You may like other sounds Each sound you hear is different Sounds are also alike in some ways ... Year’s Eve Do you like the sounds they make? The Causes of Sound Sound happens when matter moves back and forth Hitting or Plucking to Make Sound Some instruments make sounds when you hit them ....

Ngày tải lên: 03/10/2015, 21:42

... water evaporates into the air You are about to read more about one state of matter Air is a gas, and it is all around us What is air? Air is a gas It is all around us Air is made up of tiny particles ... 13 Rising Air Hot air is lighter than cool air Air that is warm rises up People can use hang gliders to soar through the air Birds, such as eagles and sea gul...

Ngày tải lên: 21/04/2017, 15:31

... have, you probably saw ships and boats in action Ships and boats come in all shapes and sizes There are small canoes, medium-sized tugboats, and huge oil tankers All boats, no matter what size, ... ships and boats? How does a ballast work? People use different kinds of energy to move ships and boats through water Write to tell about three types of fuel or energy us...

Ngày tải lên: 21/04/2017, 15:31

... Vocabulary attract What did you learn? Forces and Motion How can you make objects move? force What is gravity? by Arlene Block friction You ... magnet attract and then repel another magnet? Tell, in order, what you would gravity motion repel simple machine work Photographs: Every effort has been made to secure permission and provide appropriate ... 60025 10 V010 13 12 11 10 09 08...

Ngày tải lên: 21/04/2017, 15:38

... Bullfrogs can make low-pitched sounds Sound moves through solids, liquids, and gases Sound travels fast through gases Sound travels even faster through liquids Sound travels fastest through solids ... read on to find out more about how sound travels bullfrog Sound Waves If you touch a vibrating tuning fork to water, the sound waves will make the water move Every sound...

Ngày tải lên: 21/04/2017, 15:32

Ngày tải lên: 24/12/2013, 13:16

Ngày tải lên: 21/01/2014, 19:20

... m e o tmscontinually.~' f ieqatt，c a y u b r f ie， t: ポールさんは日本語を勉強しています。ナンシーさんも日本 語を勉強しています。 Pr-a w Nhng bny st i s Nnhisnm ousn a io-o eko he m u asi-a o i a Nhng bny stiωu io-o ekohe m i Pu ... 片岡さんは、外国語に興味を持っているから、フランス語で も中国語でも、すぐ覚えてしまう。 Ktoasn a akk- nkδ i mterkr，uas-o aak-a w giou oi ym ot i aaFrnug g ， u...

Ngày tải lên: 21/07/2014, 21:20

Ngày tải lên: 27/08/2016, 15:56

Ngày tải lên: 20/04/2017, 13:44

... changes in everyday life are pretty amazing How does soap get you clean? How does food make you strong? This book explores how these everyday reactions work A salad is a mixture of vegetables Reactions ... Chemical changes require chemical reactions Chemical reactions take place around us every day A chemical reaction inflates a car’s air bag Filling Up Chemical reactions even t...

Ngày tải lên: 20/04/2017, 15:32

... Images; Peter Arnold; 10 ©DK Images; 11 Peter Arnold; 12 ©DK Images; 13 Corbis; 14 ©DK Images, Corbis; 15 Tom Stack and Associates, Inc.; 18 AP Wide World Photos ISBN: 0 - 32 8- 13 3 27 -2 Copyright © Pearson ... Department, Scott Foresman, 19 00 East Lake Avenue, Glenview, Illinois 60 025 10 V0G1 14 13 12 11 10 09 08 07 06 05 Chapter A World of Money What did people before...

Ngày tải lên: 20/04/2017, 15:43