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Informationen zum Autor Janice VanCleave is a former science teacher who now spends her time writing and giving science workshops. She is the author of more than fifty children's science books with sales totaling over 2 million copies. Klappentext Do you have what it takes to make anawesome balloon rocket? Can you figure out how to grow areal crystal with just a fewhousehold ingredients? Do you think you can design and build asolar cooker that really works? This fun-filled resource will help you discover how to answer these questions and more, and in the process, come up with your own great science projects. Janice VanCleave's Super Science Challenges gives you the ideas and information you need to start experimenting in a range of topics from astronomy, biology, and chemistry to earth science and physics. You can use these science challenges as jumping-off points for science fairs or classroom projects, or just try them at home for fun. The book is designed to show you how to use science inquiry to solve an exciting challenge. With Janice VanCleave's Super Science Challenges you will become a science detective who plans well, carefully collects and analyzes information, and creates amazing experiments. The book presents numerous science challenges, defines scientific terms, explains facts about each challenge, and shows how scientists solved a real-life science problem similar to the challenge. And all of the materials you'll need are inexpensive and easy to find around the house. Zusammenfassung A collection of science challenges! open-ended questions for science inquiry! on subjects in astronomy! biology! chemistry! earth science! and physics! which can be used as the basis for a science fair or other science project or as a classroom project. Inhaltsverzeichnis Introduction. How to Use This Book. For Teachers. 1. Make a Scale Model of the Planets of the Solar System That Shows the Planets' Distances from the Sun. 2. Demonstrate How the Sun Appears in Different Parts of the Sky during the Year. 3. Demonstrate Why Stars of the Same Luminosity Can Appear to Be of Different Brightness. 4. Determine Which Light Color Has the Least Effect on Night Vision. 5. Determine How the Focal Length of a Magnifying Lens Affects Its Magnifying Power. 6. Use the North Star to Determine Where You Live on Earth. 7. Design a Way to Measure Parallax Shift and Use It to Determine the Distance to an Object. 8. Determine Why the Sun and the Moon Appear to Be the Same Size in the Sky. 9. Demonstrate How Earth's Rotation Affects Launching a Rocket into Space. 10. Determine How the Positions of the Sun, the Moon, and Earth Affect Moon Phases. 11. Determine How the Concentration of a Salt Solution Affects the Rate of Osmosis. 12. Create a Test to Determine if People Favor One Foot over the Other. 13. Create an Optical Illusion. 14. Clone a Plant. 15. Determine if Seed Type Affects the Speed of Seed Growth. 16. Develop a Method for Determining a Plant's Rate of Transpiration. 17. Show That Fruits Contain Germination Inhibitors. 18. Determine if the Head of a Sunflower Is Made of Complete or Incomplete Flowers. 19. Determine the Rate of Geotropism of Plant Stems. 20. Determine the Effect of Gray Water on Plant Growth. 21. Keep Iron from Rusting. 22. Determine How the Rate of Diffusion of a Material Is Affected by the Shape of the Container It's In. 23. Determine Which Type of Polymer Food Wrap Is Best at Preventing Food Dehydration. 24. Determine the Effect of Temperature on the Adhesion of Polyvinyl Acetate Glue. 25. Make Recycled Paper. 26. Find the Most Absorbent Brand of Paper Towels. 27. Separate the Substances in a Mixture. 28. Make More of a Solute Dissolve...
