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Physics of the 20th Century Pascual Jordan

Physics of the 20th Century

Pascual Jordan

Published in Canada
ISBN : 9781406744927
Paperback
96 pages
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 About the Book 

INTRODUCTION 1. MATTER AIR 5 Does Air Take Up Space . . . Can You Fill the Empty Bottle . . . Does Air Weigh Anything . . . Which Is Heavier, Hot Air or Cold . ., What Happens to Warm Air . . . What Is Wind ... Air Presses in All Directions . . . CanMoreINTRODUCTION 1. MATTER AIR 5 Does Air Take Up Space . . . Can You Fill the Empty Bottle . . . Does Air Weigh Anything . . . Which Is Heavier, Hot Air or Cold . ., What Happens to Warm Air . . . What Is Wind ... Air Presses in All Directions . . . Can Air Hold Up Water ... A Trick Bottle . . . How Does a Straw Work . . . How Do Suction Cups Work, . . The Siphon . . . How to Compress Air . . . Air Can Hold a Stick Down . . . Air Slows Things Down . . . Some Surprises About Air Pressure . . . A Paper Helicopter . . . Make an Atomizer 2. MATTER WATER - 19 Food Is Mostly Water . . . Water Coming Out of the Air ... Water Going Into the Air ... The Strange Story of Waters Size . . . Water Isnt Pure . . . What Is Hard Water . . . What Happens When Something Dissolves . . . Invisible Ink . . . Making a Crystal . . . Water Pressure . . . Which Way Does Water Run . . . Pressure and Shape and Size . . . Water Seeks Its Own Level . . . Measuring Water Pressure ... A Hot Water Bag Lifts Books . . . You Weigh Less in Water . . . What Floats ... A Floating Object Displaces Own Weight . . . Bottle Sub-Copyright 1959 by Sterling Publishing Co., Inc. All rights reserved under Pan American and International Copyright Conventions Published in Canada by General Publishing Company, Ltd., 30 Lesmill Road, Don Mills, Toronto, Ontario Published in the United Kingdom by Constable and Company, Ltd., 10 Orange Street, London WC 2. This Dover edition, first published in 1968, is an unabridged and unaltered republication of the work originally published in 1959 under the title Science for Children, The work is reprinted by special arrangement with Sterling Publishing Company, Inc.. publisher ot the original editionStandard Book Number 486-22033-8 Library of Congress Catalog Card Number 63-9308 Manufactured in the United States of America Dover Publications, Inc. 180 Varick Street New York, N. Y. 10014 marine . ., Float an Egg, . . Surface Tension . . . Soap Boat, . . Holding Water in a Strainer . . . How Many Dimes Will It Hold 3. MECHANICAL ENERGY AND MACHINES 37 Why Do Things Fall Down . . . Which Falls Faster . How Do You Pitch a Ball . . . Falling Weight Does Work . . . Sprinklers and Rockets . . . Center of Gravity . . . Stop and Go ... More About Inertia . . . Why Use Wheels . . . What Is Friction . . . Why Do We Oil Machines . . . Machines Seesaws and Scales Are Levers . . . Wheel and Axle . . . Bottle-Top Gears . . . How a Pulley Works . . . Block and Tackle . . . Something About Ramps . . . Nails and Knives, . . Screws and Screw Tops 4. HEAT 53 Can You Tell Hot from Cold . . . How to Make Heat by Friction . . . How to Make Heat by Radiant Energy . . . How to Make Heat from Electricity . . . How Heat Blows up a Balloon . . . Why Sidewalks Have Spaces . . . How a Ther mometer Works . . . How Heat Changes Solid to Liquid . . . How Heat Changes Liquid to Gas . . . How Evaporation Cook . . . Fun with Ice and Salt ., . Fun with Ice Cubes . . . Degree and Calorie . . . Why Not Metal Handles . . . How Heat Travels in Water and Air ... Heating by Radiation 5. SOUND, 64 What Causes Sound . . . Seeing Sound Waves . . . Can Sound Travel Through Nothing . . . Can Sound Travel Through a Liquid . . . Can Sound Travel Through a Solid . . . Speed of Sound . . . Echoes . . . Controlling the Direction of Sound . . . Sound Differences Pitch . . . Variations with Strings . . . Striking Sounds . . . BlowingSounds . . . Loudness . . . Amplifying Loudness . . . What Is Resonance . . . Seashell Resonance 6. LIGHT 78 Can We See in the Dark ... A Pinhole Camera . ., Dust Helps Us to See ... How Light Bounces . . . How Do You Really Look . . . Make a Periscope ., . Bending Light Rays . . . Reading Glass . . . What Causes a Shadow . . . Making Rainbows ., . Magic Colors 7. MAGNETISM AND ELECTRICITY 87 What Does a Magnet Do . . . Can Magnets Attract Through Substances . . . Where Is a Magnet the Strongest . . . What Is a Spark . . . Electricity Can At tract . ...