Nota di contenuto |
PB274X2_Cover -- Contents -- Preface -- Acknowledgments -- Dedication -- About the Authors -- Introduction -- Section 1 - Electric Charge -- Concept Matrix, Probes #1-#8 -- 1 - Do the Objects Need to Touch? -- 2 - How Will the Balloons Move? -- 3 - Can It Be Electrically Charged? -- 4 - What Happens When You Bring a Balloon Near a Wall? -- 5 - Conductors or Insulators? -- 6 - Does the Example Provide Evidence? -- 7 - Where Can You Find Electric Charge? -- 8 - Where Does the Charge Come From? -- Section 2 - Electric Current -- Concept Matrix, Probes #9-#21 -- 9 - One Wire or Two? -- 10 - How Can You Light the Bulb? -- 11 - Where Do I Put the Switch? -- 12 - How Do You Think About the Flow of Electric Current Through a Circuit? -- 13 - How Bright Will the Bulbs Be? -- 14 - Which Burns Brighter? -- 15 - How Would You Rank the Brightness of These Bulbs? -- 16 - How Does the Current in Each Battery Compare? -- 17 - Does It Matter If the Wire Has Knots? -- 18 - Does Electricity Leak From an Outlet? -- 19 - Why Two Prongs? -- 20 - Does the Weight Change? -- 21 - How Fast Do the Charges Move? -- Section 3 - Magnets and Electromagnetism -- Concept Matrix, Probes #22-#39 -- 22 - Can Magnets Push or Pull Without Touching? -- 23 - Can You Pick It up With a Magnet? -- 24 - Does a Magnet Pick up Any Kind of Metal? -- 25 - What Happens When You Wrap a Magnet With Aluminum Foil? -- 26 - What Happens If You Use the Other End of the Magnet? -- 27 - Does a Magnet Work Without Air? -- 28 - Which One Attracts? -- 29 - How Would a Magnet Work on the Moon? -- 30 - What Happens When You Hold a Magnet Near a Refrigerator? -- 31 - What Happens When a Magnet Is Brought Near a Charged Ball? -- 32 - What Makes It Stick? -- 33 - What Happens When a Magnet Breaks? -- 34 - How Can You Represent a Magnetic Field? -- 35 - How Can You Magnetize a Nail?.
36 - How Can You Make an Electromagnet? -- 37 - Does the Type of Wire Make a Difference in an Electromagnet? -- 38 - How Can You Make a Stronger Electromagnet? -- 39 - What Happens When You Bring a Compass Near a Current-Carrying Wire? -- Index -- PB274X2_Back Cover.
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