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The content is structured into distinct chapters that guide students from foundational knowledge about atoms and molecules to specific experiments they can conduct themselves. 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is the primary scientific difference between materials that absorb water and those that repel it?","Question",{"text":62,"@type":63},"The difference lies in their molecules, which are the building blocks made of different types of atoms; these molecular structures determine whether a material will hold or shed water.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"Why does a raincoat dry faster than a cotton sweater?",{"text":67,"@type":63},"A raincoat is designed to repel water, meaning the water slips off the surface rather than being absorbed into the fibers, whereas a cotton sweater absorbs and holds a significant amount of water, requiring more time to dry.",{"name":69,"@type":60,"acceptedAnswer":70},"What is the purpose of building models of atoms and molecules in this context?",{"text":71,"@type":63},"Building models helps students visualize and better understand the shapes of atoms and molecules, which provides a clearer insight into how these microscopic structures 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Internet Archivein 2021 with funding fromKahle/Austin Foundation  \nhttps://archive.org/details/invisiblemessage0000gaer  \n# _KitchenExperiment\n\nBy Meg Gaertner  \n00  \nPublished by The Child's World1980 Lookout Drive·Mankato,MN 56003-1705800-599-READ·www.childsworld.com  \nPhotographs :Rick Orndorf,cover,1,14,16,17,18,19,20,21;iStockphoto,5,13;Aleksandar Nakic/iStockphoto,6;Mike Bi Ta/Shutterstock Images,8;Shutterstock Images,9,11,12  \nCopyright ◎2019 by The Child's WorldAll rights reserved.No part of the book may bereproduced or utilized in any form or by any meanswithout written permission from the publisher.  \nISBN 9781503825352LCCN 2017959697  \nPrinted in the United States of AmericaPA02378  \nCHAPTER 1  \nWet and Dry...4  \nCHAPTER 2  \n# Hidden Wax Messages...10\n\nCHAPTER 3  \nTHE EXPERTMENTLet's Write α Message!..15  \nGlossary….22To Learn More…23Index…24About the Author…24  \nome things absorb water.A cotton sweaterabsorbs water from the washing machine.The fabric holds a lot of water.It takes a longtime for the sweater to dry.  \nSome things repel water.A good raincoatrepels water.The rain slips right off the  \nraincoat.The water is not absorbed.A raincoatdries quickly.  \nWhy do some things absorb waterand others repel it?It has to do with theirmolecules.Molecules are made of differenttypes of atoms.Everything is made of atoms.  \nSwimsuits can be made offabrics such as cotton,nylon,and spandex.Some fabricsabsorb more water than  \nWe can build models  \nof atoms andmolecules.This helpsus understand theirshapes.","cbCaipQlHvlZNKpE","https://ap.wps.com/l/cbCaipQlHvlZNKpE","pdf",2984985,32,"English","# Wet and Dry\n## Atoms and molecules in fabrics\n# Hidden Wax Messages\n# The Experiment: Let's Write a Message!","[{\"question\":\"What is the primary scientific difference between materials that absorb water and those that repel it?\",\"answer\":\"The difference lies in their molecules, which are the building blocks made of different types of atoms; these molecular structures determine whether a material will hold or shed water.\"},{\"question\":\"Why does a raincoat dry faster than a cotton sweater?\",\"answer\":\"A raincoat is designed to repel water, meaning the water slips off the surface rather than being absorbed into the fibers, whereas a cotton sweater absorbs and holds a significant amount of water, requiring more time to dry.\"},{\"question\":\"What is the purpose of building models of atoms and molecules in this context?\",\"answer\":\"Building models helps students visualize and better understand the shapes of atoms and molecules, which provides a clearer insight into how these microscopic structures interact with substances like water.\"}]","Kitchen Experiment - Invisible Message | PDF",1790712634,49]