Chemistry Science Fair Projects Using Acids, Bases, Metals, Salts, and Inorganic Stuff

Chemistry Science Fair Projects Using Acids, Bases, Metals, Salts, and Inorganic Stuff

by Robert Gardner

Hardcover(Library Binding)

$26.60
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Overview

How much energy does it take to melt ice? How can you measure the density of a penny? Can you make an electric cell? This book is filled with experiments to help young scientists discover the answers to these and many other questions. Unlock the secrets of mixtures, matter, and melting! Learn about reactions, ions, and energy! All you need are some common household materials. If you are interested in competing in a science fair, you can get many great ideas that will help you create a unique, award-winning science project.

Product Details

ISBN-13: 9780766022102
Publisher: Enslow Publishers, Incorporated
Publication date: 10/28/2004
Series: Chemistry! Best Science Projects Series
Pages: 128
Product dimensions: 6.26(w) x 9.28(h) x 0.48(d)
Age Range: 11 - 17 Years

Table of Contents

Introduction5
1Identifying Substances11
1.1Separating the Components of a Mixture14
1.2Separating by Chromatography18
1.3Using Density to Identify Liquids21
1.4Using Density to Identify Solids26
1.5The Density of Pennies, New and Old29
1.6Identification by Melting31
1.7The Melting and Freezing Temperature of Water (Ice)33
1.8The Boiling Temperature of Water39
1.9Using Solubility to Identify Substances43
2Conservation of Matter46
2.1Does Weight Change When Water Freezes?47
2.2Lavoisier and a Chemical Law48
2.3Paper Clips, Washers, "Chemical Formulas," and Laws of Nature54
3Some Chemical Reactions and Their Reaction Speeds59
3.1Rusting of Iron60
3.2What Fraction of Air Is Oxygen?61
3.3Preparing and Testing Oxygen64
3.4The Rate at Which Hydrogen Peroxide Decomposes68
3.5Factors Affecting the Rate of a Reaction73
4Energy in Chemical and Physical Changes77
4.1The Energy (Heat) Needed to Melt Ice79
4.2The Energy (Heat) Needed to Boil Water82
4.3The Heat of Condensation88
4.4Energy Changes During Physical and Chemical Changes93
4.5A Chemical Reaction: Reactants, Products, and Energy Changes96
5Acids, Bases, Ions, and an Electric Cell103
5.1Ions and Electric Current104
5.2Identifying Acids and Bases109
5.3Indicator Papers and Sticks114
5.4Neutralization115
5.5pH, a Measure of Hydrogen Ion Concentration119
5.6Building an Electric Cell122
AppendixScience Supply Companies125
Further Reading and Internet Addresses126
Index127

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