Chemical Reactions! , livre ebook

Nomad Press - Berk Koch Susan

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97 pages

English

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Chemical Reactions brings chemistry to life with hands-on, science-minded activities and plenty of text-to-world connections that invite kids ages 7 to 10 to discover the wonderful world of chemical reactions!You might think chemistry only happens in a laboratory with people wearing white coats-but actually, chemistry is all around us! We observe chemical reactions every day. Did you eat toast this morning? That toast was a result of a chemical reaction. Did your family have a fire in your fireplace last night? Burning wood is a chemical reaction! There's even chemistry happening inside your own body as you break down the food you eat into usable nutrients. In Chemical Reactions! With 25 Science Projects for Kids, readers ages 7 to 10 learn about the atoms and molecules that make up everything in our world and what happens when different atoms and molecules come in contact with each other. About the Explore Your World series and Nomad PressNomad Press books in the Explore Your World series integrate content with participation, encouraging readers to engage in student-directed learning. Combining content with inquiry-based projects stimulates learning and makes it active and alive. Nomad's unique approach simultaneously grounds kids in factual knowledge while allowing them the space to be curious, creative, and critical thinkers.All books are leveled for Guided Reading level and Lexile and align with Common Core State Standards and Next Generation Science Standards. All titles are available in paperback, hardcover, and ebook formats.

Informations

Publié par	Nomad Press
Date de parution	15 octobre 2021
Nombre de lectures	0
EAN13	9781619309432
Langue	English
Poids de l'ouvrage	36 Mo

Informations légales : prix de location à la page 0,0500€. Cette information est donnée uniquement à titre indicatif conformément à la législation en vigueur.

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CHEMICALREACTIONS!

Dr. Susan Berk Koch Illustrated by Micah R auch

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Nomad Press A division of Nomad Communications 10 9 8 7 6 5 4 3 2 1 Copyright © 2021 by Nomad Press. All rights reserved. No part of this book may be reproduced in any form without permission in writing from the publisher, except by a reviewer who may quote brief passages in a review orfor limited educational use. The trademark “Nomad Press” and the Nomad Press logo are trademarks of Nomad Communications, Inc. Educational Consultant, Marla Conn Questions regarding the ordering of this book should be addressed to Nomad Press PO Box 1036, Norwich, VT 05055 www.nomadpress.net

CONTENTS

Timeline . . . iv

Periodic Table of Elements . . . vi

Introduction . . . 1 Chemistry Matters!

Chapter 1 . . . 11 Mixtures: Be a Detective

Chapter 2 . . . 25 Abracadabra: Chemical Reactions

Chapter 3 . . . 41 Water, Acids, and Bases

Chapter 4 . . . 56 It’s a Gas!

Chapter 5 . . . 68 Manmade Compounds

Glossary* Metric Conversions Resources* Essential Questions* Index

Interested in primary sources? Look for this icon.Use a smartphone or tablet app to scan the QR code and explore more! Photos are also primary sources because a photograph takes a picture at the moment something happens.

You can înd a list of URLs on the Resources page. If the QR code doesn’t work, try searching the internet with the Keyword Prompts to înd other helpful sources.

EXPLORE CHEMICAL REACTIONS

CHEMICAL REACTIONS!

300BCE:Ancient Greek philosopher Aristotle declares the existence of only four elements: îre, air, water, and earth. He says, mistakenly, that all matter is made up of these four elements.

430BCE:Democritus, an ancient Greek philosopher, proclaims the atom to be the simplest unit of matter.

1803:Chemist John Dalton publishes his atomic theory, which states that all matter is composed of atoms, which are small and indivisible. The Greeks had many of these ideas and Dalton built on them.

1789:C avoisierhemist Antoine L shows that the mass of products in areaction is equal to the mass of the reactants. In other words, no mass is lost in a chemical reaction. This became known as the law of conservation of mass. It is one of the most important and basic laws of modern chemistry and physics.

1649: German pharmacist Hennig Brand discovers the element phosphorous. Elements such as gold, silver, tin, copper, lead, and mercury had been known for a long time, but this was the îrst scientiîc discoveryof an element.

1869:Russian chemist Dmitri Mendeleev creates the îrst periodic table by grouping together elements that act alike. The gaps in his table are where undiscoveredelements will îtin later.

1890S–1S:900 Marie and Pierre Curie discover radioactive materials and two new elements. They win a Nobel Prize in 1903 and Marie wins a second one in 1911. She is the îrst woman to win a Nobel Prize and the îrst person to win two Nobel Prizes!

1932: The îrst nuclear fusionreaction is performed in a laboratory. This process involves smashing together two or more smaller elements to form a heavier element. Every star in the universe, including the sun, uses nuclear fusion to produce energy.

IMElIE

2020:Emmanuelle Charpentier and Jennifer A. Doudna win a Nobel Prize in chemistry for the development of a method of gene editing that might help treat certain diseases.

2017:Three scientists develop a method to see the three-dimensional structure of cells on an atomiclevel, paving the wayfor new medicinesand therapies.

1938:German chemists Otto Hahn and Lise Meitner discover nuclear îssion when large uranium atoms are split apart. Today, nuclear îssion is used to generate 10 percent of the world’s electricity.

CHEMICAL REACTIONS!

PERIODIC TABLE OF ELEMENTS

vii