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Understanding Electrostatics: Key Concepts and Activities in Physics

This resource explores fundamental concepts of electrostatics including charge types (insulators and conductors), electrostatic forces, and the principles of grounding. Students will engage in hands-on activities like creating gelatin stalagmites and observing the electrostatic charge on objects using an electroscope. We will also delve into Coulomb's Law to calculate electric forces between charged particles, including practical problems using Van de Graaff generators. Enhance your understanding of electricity and the impact of electrostatics in the physical world.

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Understanding Electrostatics: Key Concepts and Activities in Physics

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  1. Electricity Physics Ms. Henry School House Rock: Title 49 (Chapter 1)

  2. Words to Know: • Electrostatic (Electro + Static) • Charge • Insulator • Conductor

  3. Words to Know, cont.: • Electroscope • Grounding • Coulomb • Grounding • Generator

  4. Electrons

  5. Lightning • http://dsc.discovery.com/videos/wonders-of-weather-lightning-phenomena.html

  6. Getting Charged… Pick a Station (3-4 in a group): • Paper Pick Up • Gelatin Stalagmites • Runaway Soda Can • Repelled Tape • Swinging “Pith” of Death

  7. Coulomb’s Law • Charge (q) • Distance (r) • Force (F)

  8. Van de Graaff Problems • 4.0x10-6C VDG with a 6.0x10-6C VDG at 1.5 meters apart. • What is the electric force? • Electron (-1.6x10-19C) with a proton at 1.0x10-10m to the right. • What is the electric force? • Add an electron at 2.5x10-6m below. • Find the net force with both charges.

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