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Index
Title Page Copyright Dedication Acknowledgments Table of Contents Introduction How to Use This Book Asking Questions Basic Experimental Design Science and Art Science Supplies CHAPTER 1: Plants and Seeds
Introduction Challenge: Design a plant maze Experiment: How deep should you plant a seed? Explore: Collect and grow seeds Challenge: Design a leaf Experiment: Do seeds sprout faster if they are warm? Experiment: Can you change the color of plants? Explore: Match the sprouts with the seeds Experiment: What will celery move to its leaves? Explore: Dissect plants and flowers Challenge: Make a plant grow down Experiment: How much water grows tall plants? Explore: Make your own root viewer Experiment: Will plants grow with juice? Experiment: Can plants grow in the dark? Experiment: Can plants crack plaster? Experiment: If you color plant leaves with a marker, will the plants grow?
CHAPTER 2: Water and Ice
Introduction Challenge: Make ice melt faster Experiment: Does the shape of ice change how fast it melts? Challenge: Keep ice from melting Experiment: What paper flower opens the fastest? Challenge: Create a long-lasting bubble solution Experiment: What paper makes a rainbow the fastest? Explore: Paint on paper towels and watch color spread Explore: Fit as many drops of water as you can on a penny Experiment: Can you change how long it takes to freeze water?
CHAPTER 3: Mold, Bacteria, and Fungus
Introduction Explore: Find bacteria Experiment: Do preservatives change how fast bread molds? Experiment: Does coloring the agar change how bacteria grow? Experiment: What kinds of food mold the fastest? Experiment: How well does your hand sanitizer work? Challenge: Keep chicken stock from growing mold or bacteria Experiment: Does moisture change how fast food molds? Experiment: How well do you wash your hands? Experiment: Does temperature change how fast food molds? Explore: Activating yeast Experiment: What does yeast eat the fastest? Explore: Make your own agar recipe Experiment: What temperature should water be to make the most active yeast?
CHAPTER 4: Engineering
Introduction Explore: Design a ramp to make cars roll farther Challenge: Design an egg drop container Challenge: Build a foil boat that will hold the most weight Explore: Change a catapult to see how far it can toss an item Challenge: Design a bubble blower Challenge: Design a bridge that will hold the most weight Explore: Change a balloon rocket to make it go farther Challenge: Design a tall tower out of straws and tape Challenge: Design a marble run from your recycling bin Explore: Design a straw plane and change how it flies Experiment: How does weight change how far a car will roll? Experiment: What container shape will produce the tallest bubble tower? Challenge: Design a balloon-powered car
CHAPTER 5: Food and Candy
Introduction Experiment: What liquid gets the “M” off an M&M the fastest? Challenge: Keep apple slices from turning brown Explore: Make gummy worms grow and shrink Challenge: Make an egg float by adding ingredients Explore: Add “naked” eggs to different liquids Challenge: Make play dough Explore: Make Epsom salt crystals Experiment: Can you mix two crystallizing ingredients and still get crystals? Challenge: Find the best way to grow crystals Experiment: Does temperature change how quickly food coloring spreads? Explore: Painting with watercolors, water, and salt Explore: What marker colors are made of Experiment: Which type of milk swirls the longest? Challenge: Build a tall sugar cube tower before it dissolves Explore: Oil and colored water Challenge: Make the highest-rising dough Explore: Baking soda, baking powder, cornstarch, flour, salt, and sugar Challenge: Identify the mystery substance Challenge: Make a cabbage juice rainbow
CHAPTER 6: Baking Soda and Vinegar
Introduction Explore: Baking soda reaction tray Experiment: Which soap will make the tallest mountain of bubbles? Challenge: Find the smallest amount of baking soda needed to pop a bag Challenge: Make the tallest reaction of baking soda in a cup Experiment: Should you add baking soda to vinegar or vice versa? Explore: Make fizzing baking soda paint Challenge: Find the right amount of vinegar to react with baking soda Challenge: Design an erupting volcano Experiment: Do frozen and dried baking soda react differently? Challenge: Blow up a balloon with baking soda and vinegar, but don’t pop it! Explore: How freezing changes the reaction between baking soda and vinegar
CHAPTER 7: Environmental Science
Introduction Experiment: How does pollution change plant growth? Challenge: Purify water Experiment: What will decompose first in soil? Challenge: Reduce erosion Explore: Build a watershed Experiment: Does salt change plant growth? Explore: Oil-coated feathers Explore: Observe redworms
Chapter 8: Living Things
Introduction Experiment: Is slug slime as strong as a glue stick? Explore: Raise butterflies Challenge: Design a miniature aquarium Explore: Temperature changes and insects Experiment: What food does your insect like? Explore: Raise praying mantises Experiment: Does your insect prefer light or dark? Experiment: Does your insect prefer moist or dry ground? Experiment: Does your insect react to strong smells?
Appendix A: Where to Find the Supplies Listed in the Book Appendix B: Resources Index About the Author
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