California science grade 3 (12)

... science, the word work has a special meaning Work is done when force moves an object People have invented simple machines to the same amount of work with less force Riding a bicycle is work In this ... tire How Brakes Work Hand brakes rest on both sides of the wheel When you pull the controls, the brakes pinch the wheel This makes friction that slows down the bike wheel caliper br...

Ngày tải lên: 20/04/2017, 15:33

... object’s motion changes The harder you push on a cart, the faster it goes! Motion and Combined Forces You know that pushes, pulls, and friction can Lots of forces cause a bike to change its motion ... force What is the difference between constant speed Ann J Jacobs and variable by speed? friction gravity magnetism motion Forces and Motion Would it take more force to be...

Ngày tải lên: 21/04/2017, 08:34

... the object you wish to move How much an object moves depends on how much force you use The greater the force placed on an object, the more the object will move Could you move a wall? Sometimes ... can move quickly going forward, but must slow down to move backward or sideways That object would move at a variable speed Its speed changes as it moves in different directions Force...

Ngày tải lên: 21/04/2017, 08:53

... rearrange the letters in starch? 12 Level: L DRA: 24 Science Strategy: Visualize Word Count: 433 3. 3 .12 Build Vocabulary HOUGHTON MIFFLIN Online Leveled Books 138 7975 ... Permissions, 6277 Sea Harbor Drive, Orlando, Florida 32 887-6777 Printed in China ISBN-10: 0-547-252 93- 5 ISBN- 13: 978-0-547-252 93- 3 0940 18 17 16 15 14 13 12 11 If you have received these materials as ... i...

Ngày tải lên: 21/04/2017, 09:08

... 1.213 -0 .285 -0 .296 -0 .382 -0 .399 -0 .497 -0 .539 -0 .293 -0 .268 -0 .275 -0 .192 -0 .139 1.327 1.346 1.340 1.370 1.411 1.470 1.287 1.317 1.333 1.306 1.275 -0 .734 -0 .738 -0 .734 -0 .745 -0 .749 -0 .764 -0 .722 ... -C2H5 -C(CH3)3 - OH - OCH3 - NH2 -N(CH3)2 -F - Cl - Br - CN - NO2 4.64 4.66 4.54 4.45 6.16 6....

Ngày tải lên: 09/11/2012, 15:03

Ngày tải lên: 03/07/2013, 21:51

Ngày tải lên: 04/07/2013, 01:25

... get a (11) (12) 10 11 12 13 14 15 to the cart? There is ( 13) special in that box Look at my sister (14) the (15) down ! 33 RXENL08AWK31_SPB_ 033 .indd 33 Spelling Practice Book 7/18/06 12:25:41 PM ... damp 13 the opposite of quiet 14 not downstairs 15 an item 32 RXENL08AWK31_SPB_ 032 .indd 32 Spelling Practice Book 7/18/06 12:25 :37 PM Vowel Diphthongs /ou/ou, ow; /oi/oi, o...

Ngày tải lên: 24/08/2013, 18:54

... FITTEST 101 THINK-PAIR-SHARE: COLLABORATE FOR UNDERSTANDING 105 VOCAB-O-GRAM 109 WORD SORT 115 WORD WALLS 119 Appendix 123 Inside Words: Tools for Teaching Academic Vocabulary, Grades 4-1 2 by Janet ... Cataloging-in-Publication Data Allen, Janet, 1950– Inside words : tools for teaching academic vocabulary, grades 4–12 / Janet Allen p cm Includes bibliographical r...

Ngày tải lên: 04/09/2013, 16:38

Ngày tải lên: 06/09/2013, 13:10

... or not he achieved it with you What larger idea does the story illustrate? How does it that? How did you feel about the author's style of writing, the setting, or the mood of the novel? You not ... blank with one suitable word or phrase SCIENTISTS LEARN FROM CROCODILES From recent ……… (34) we now know that crocodiles possess an extremely unusual form of haemoglobin – the substance which carri...

Ngày tải lên: 16/09/2013, 03:10

Ngày tải lên: 18/09/2013, 19:10