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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...
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.
How to Use This Book.
1. Make a Scale Model of the Planets of the Solar System ThatShows the Planets’ Distances from the Sun.
2. Demonstrate How the Sun Appears in Different Parts of the Skyduring the Year.
3. Demonstrate Why Stars of the Same Luminosity Can Appear to Beof Different Brightness.
4. Determine Which Light Color Has the Least Effect on NightVision.
5. Determine How the Focal Length of a Magnifying Lens AffectsIts 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 toDetermine the Distance to an Object.
8. Determine Why the Sun and the Moon Appear to Be the Same Sizein the Sky.
9. Demonstrate How Earth’s Rotation Affects Launching aRocket into Space.
10. Determine How the Positions of the Sun, the Moon, and EarthAffect Moon Phases.
11. Determine How the Concentration of a Salt Solution Affectsthe Rate of Osmosis.
12. Create a Test to Determine if People Favor One Foot over theOther.
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 ofTranspiration.
17. Show That Fruits Contain Germination Inhibitors.
18. Determine if the Head of a Sunflower Is Made of Complete orIncomplete 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 IsAffected by the Shape of the Container It’s In.
23. Determine Which Type of Polymer Food Wrap Is Best atPreventing Food Dehydration.
24. Determine the Effect of Temperature on the Adhesion ofPolyvinyl 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 in Water.
29. Design Ways to Test Water Hardness.
30. Find Out Which Color Pigments Are Hidden in a GreenLeaf.
31. Determine How the Physical Characteristics of Earth’sSurface Affect Climate.
32. Determine the Effect of Changes in Air Pressure on WindVelocity.
33. Determine How Earth’s Rotation Affects the SpinDirection of Hurricanes.
34. Design a Device That Makes a Vertical Line.
35. Find as Many Real-Life Examples of Mechanical Weathering asPossible.
36. Find Ways to Keep Leaching from Polluting Water Sources.
37. Grow Large Crystals.
38. Determine What Factors Affect the Growth Rate ofCrystals.
39. Make a Model of Earth’s Water Cycle.
40. Determine the Effect of Wind on Measuring Rainfall.
41. Find Ways to Reduce Friction.
42. Compare the Viscosity of Different Fluids.
43. Create a Balloon Rocket.
44. Build a Toy That Will Throw a Ball toward a Target.
45. Determine the Effect of Temperature on How High a RubberBall Bounces.
46. Determine if a Swing Will Move Faster with a Lighter Personon It.
47. Design a Musical Instrument That Can Play DifferentPitches.
48. Use Colored Filters to Send Secret Messages.
49. Demonstrate the Scattering of Light.
50. Design a Solar Cooker.