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| Acknowledgments | |
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| About the Author | |
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| About the Library | |
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| How to Use This Book | |
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| Correlation with National Standards Grid | |
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| Key to Icons | |
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| Listing of Activities by Topic | |
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| Air | |
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| To the Teacher | |
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| How Can You Test to See Whether Air Takes Up Space? | |
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| How Can You Pour Air? | |
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| How Can You Tell Whether Air Has Weight? | |
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| How Can You Feel the Weight and Pressure of Air? | |
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| What Is Another Way to Feel Air Pressure? | |
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| How Can Air Be Compressed? | |
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| What Is Another Way Air Can Be Compressed? | |
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| What Can a Card Teach You About Air? | |
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| How Can You Crush a Gallon Can Without Touching It? | |
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| How Can You Crush a Soda Can with Air Pressure? | |
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| How Can Air Pressure Make Things Stronger? | |
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| How Can Air Help Us Drink? | |
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| How Does Air Pressure Affect Water Flow? | |
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| How Hard Can Air Push? | |
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| How Can You Put an Egg into a Bottle? | |
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| How Can You Put a Water Balloon into a Bottle? | |
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| How Much Can You Lift by Blowing? | |
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| How Can Air Pressure Help Airplanes Fly? | |
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| What Is the Relationship Between Moving Air and Its Pressure? | |
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| How Far Can You Blow a Ping-Pong Ball from a Funnel? | |
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| Why Can't the Ball Escape the Air Stream? | |
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| How Can You Make an Atomizer with a Drinking Straw? | |
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| What Happens When Air Is Heated? | |
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| How Can You Tell That Warm Air Rises? | |
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| What Happens When Air Gets Warmer? | |
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| How Can We Watch Air Expand and Contract? | |
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| How Can Bubbles Show Us That Air Expands and Contracts? | |
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| How Does Cold Air Behave? | |
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| What Happens When Warm Air and Cold Air Mix? | |
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| How Can You Get Water Out of the Air? | |
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| How Can a Balloon Remain Inflated with Its Mouth Open? | |
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| Air Word Searches | |
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| Do You Recall? | |
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| Water | |
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| To the Teacher | |
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| Why Do Some Things Float on Water and Others Do Not? | |
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| How Does Water Disappear? | |
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| What Is Condensation? | |
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| How Did the Bottle Get Wet on the Outside When the Water Is Sealed on the Inside? | |
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| What Is Another Way to Get Moisture Out of the Air? | |
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| How Can You Boil Water in a Paper Cup? | |
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| How Can We See Water Pressure? | |
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| How Can You Make Water Pile Up on a Cup? | |
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| How Many Nails Can You Put into a Full Glass of Water? | |
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| How Does Pepper Swim? | |
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| How Can You Make a Soap Motorboat? | |
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| How Can You Pour Light? | |
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| How Can a Water Drop Make Things Appear Larger? | |
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| How Can Water Make a Coin Appear? | |
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| What Do Bears Know That Many People Don't? | |
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| What Can You Learn from an Egg? | |
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| How Can We Use a Soda Straw to Compare Density of Liquids? | |
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| How Does Temperature Affect the Speed of Molecules? | |
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| What Happens When Water Changes to a Solid? | |
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| How Can You Make a "Worm"? | |
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| How Do Raisins Dance? | |
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| How Does Lake Water Compare with Seawater? | |
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| Which Changes Temperature More Easily, Land or Water? | |
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| How Are Ocean Currents Affected by Wind? | |
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| How Are Ocean Currents Affected by Temperature? | |
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| Water Word Searches | |
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| Do You Recall? | |
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| Weather | |
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| To the Teacher | |
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| How Can You Make Rain? | |
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| How Can You Make a Cloud? | |
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| How Can You Make a Thermometer? | |
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| How Can We Detect and Measure Changes in Atmospheric Pressure? | |
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| How Can We Measure Moisture in the Air? | |
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| What Is Another Way to Measure Humidity? | |
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| How Can We Compare the Wet/Dry Bulb and Hair Hygrometers? | |
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| What Does a Wind Vane Do, and How Can You Make One? | |
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| What Is Another Design for a Wind Vane? | |
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| How Can You Make a More Sensitive Wind Vane? | |
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| How Can You Use a Wind Vane? | |
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| How Can Wind Speed Be Measured? | |
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| How Does an Anemometer Work? | |
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| How Can Rainfall Be Measured? | |
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| How Can You Operate a Weather Station? | |
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| What Is the Best Source of Information for Predicting Weather? | |
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| What Are Some Unusual Ways to Predict and Explain Weather? | |
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| How Do Heating and Cooling Affect Air Currents? | |
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| What Can We Learn from a Convection Box? | |
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| What Makes Rain? | |
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| What Is a Cold Front? | |
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| Weather Word Searches | |
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| Do You Recall? | |
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| The Earth | |
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| To the Teacher | |
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| How Are Size and Distance Shown on a Map? | |
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| How Can You Show Your School Grounds on a Sheet of Paper? | |
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| How Can a Flat Map Show Three Dimensions? | |
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| What Are Contour Lines? | |
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| What Is a Contour Map? | |
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| How High and Low Are the Earth's Mountains and Valleys? | |
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| How Can a Flat Map Represent the Globe-Shaped Earth? | |
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| How Does the Nature of the Earth's Surface Affect Atmospheric Temperature? | |
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| How Do Mountains Affect Yearly Rainfall? | |
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| What Can You Learn from a Square Meter of Soil? | |
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| How Is Soil Made? | |
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| What Factors Affect Water Erosion? | |
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| In What Order Do Materials Settle in Water? | |
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| How Are Rocks Classified? | |
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| How Do Rocks Compare in Hardness? | |
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| What Color Streak Does a Rock Make? | |
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| How Do Rocks React to Vinegar? | |
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| Which Rocks Are Attracted by a Magnet? | |
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| Which Rocks Conduct Electricity? | |
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| How Can Rocks Be Dissolved in Water? | |
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| How Do Crystals Form? | |
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| What Type of Crystals Do Rocks Have? | |
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| What Is Conglomerate Rock? | |
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| How Can You Start a Rock Collection? | |
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| What Other Classifications of Rocks Are There? | |
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| How Can You Measure the Density of a Rock? | |
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| How Can You Make a Permanent Shell Imprint? | |
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| How Is Snow Compacted into Ice to Form Glaciers? | |
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| How Is the Earth Like Your Body? | |
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| How Is the Earth Like a Jigsaw Puzzle? | |
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| What Are the Earth's Plates? | |
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| What Causes Earthquakes? | |
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| How Can You Make a Volcano Replica? | |
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| What Is the Rock Cycle? | |
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| How Old Is the Earth? | |
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| Earth Word Searches | |
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| Do You Recall? | |
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| Ecology | |
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| To the Teacher | |
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| What Is a Simple Plant-Animal Community? | |
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| What Is a Pond Community? | |
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| What Is a Simple Ecosystem? | |
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| How Is Energy Transferred in an Ecosystem? | |
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| Where Do People Fit into an Ecosystem? | |
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| How Do You Fit into a Personal Ecosystem? | |
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| How Do You Live at Home? | |
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| How Do You Live in Your Classroom? | |
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| How Does Our School Community Function? | |
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| How Is Your School Like an Ecosystem? | |
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| Where Can We Begin? | |
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| What Is Litter? | |
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| What Is in the Air Besides Air? | |
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| How Does Our Water Become Polluted? | |
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| How Can You Help an Ecosystem? | |
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| How Can We Improve Our Environment? | |
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| How Can We Involve Others? | |
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| What Is a Wise Consumer? | |
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| What Changes Have Happened Where You Live? | |
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| Do You Conserve Your Resources Wisely? | |
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| How Can You Reuse Newspaper? | |
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| Which Solids Decompose Easily? | |
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| How Can You Make a Water Treatment Plant? | |
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| What Have We Learned? | |
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| Ecology Word Searches | |
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| Do You Recall? | |
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| Above the Earth | |
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| To the Teacher | |
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| What Is the History of Flight? | |
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| What Is a Wind Tunnel? | |
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| How Does Shape Affect Lift? | |
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| How Can You Build a Simple Glider? | |
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| Will Your Airplane Soar? | |
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| How Can We Turn Our Gliders? | |
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| How Can We Make Our Gliders Go Up and Down? | |
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| What Have We Learned About Flying? | |
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| What Aircraft Will You Fly? | |
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| How Well Can You Fly? | |
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| Can You Create an Airplane of a New Design? | |
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| How Will You Design an Airplane for a Special Task? | |
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| How Can a Ball Help You Move? | |
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| What Type of Energy Is This? | |
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| What Can a Marble Game Teach Us? | |
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| How Can We Use Action-Reaction? | |
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| How Can You Make a Soda Straw Rocket? | |
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| How Do Other Forces Affect Your Rocket's Performance? | |
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| How Does Gravity Affect Objects? | |
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| How Does Inertia Affect Objects? | |
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| How Can You Put a Coin in a Glass Without Touching the Coin? | |
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| How Do Gravity and Inertia Affect Space Travel? | |
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| How Can You Compare Gravity and Inertia? | |
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| How Does Weightlessness Feel? | |
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| Above the Earth Word Searches | |
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| Do You Recall? | |
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| Beyond the Earth | |
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| To the Teacher | |
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| What Does Our Earth Look Like? | |
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| How Does the Earth Move? | |
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| What's the Difference Between the Rotation and the Revolution of the Earth? | |
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| How Can We Tell Time with Soda Straws? | |
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| What Paths Do the Earth and Similar Objects Follow? | |
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| How Do Man-Made Satellites Help Us? | |
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| How Is Our Moon a Natural Satellite? | |
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| What Is the Appearance of the Surface of the Moon? | |
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| How Does the Moon Give Off Light? | |
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| How Does the Moon Travel Around the Earth? | |
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| What Are Phases of the Moon? | |
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| How Can We Make a More Accurate Moon Model? | |
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| How Can You Safely View a Solar Eclipse? | |
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| What Is a Solar System? | |
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| How Can You Study a Planet? | |
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| How Large Is the Solar System? | |
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| How Can You Make a Distance Scale Solar System in Your School? | |
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| How Can We Learn More About the Solar System and Space? | |
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| Beyond the Earth Word Searches | |
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| Do You Recall? | |