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Warm up 12.01.08

Warm up 12.01.08. Take an Anchor Question from the gray tray and glue it in your notebook. You will need a new sheet for the C-notes. Goals for today:. Announcements Electricity Intro: Charges Anchor Questions Reflection. Topic: Electrical Charges.

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Warm up 12.01.08

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  1. Warm up 12.01.08 Take an Anchor Question from the gray tray and glue it in your notebook. You will need a new sheet for the C-notes.

  2. Goals for today: Announcements Electricity Intro: Charges Anchor Questions Reflection

  3. Topic: Electrical Charges Electrical Charge is a property of matter. Examples of properties of matter: Water- boiling point, freezing point, density

  4. Topic: Electrical Charges Electrical Charge is a property that allows an object to exert force on another object without touching it.

  5. Topic: Electrical Charges Electrical Charge is related to atoms and their particles: Electrons are negative Protons are positive

  6. Topic: Electrical Fields Electrical Field is the space around which an object can exert a force: The force is stronger nearer the object. The force is stronger is the charge is large.

  7. Topic: Electrical Fields Electrical Field is the space around which an object can exert a force: The force is stronger nearer the object. The force is stronger is the charge is large.

  8. Topic: Electrical Fields Electrical Field is the space around which an object can exert a force: The force is stronger nearer the object. The force is stronger is the charge is large.

  9. Topic: Electrical Fields Electrical Field is the space around which an object can exert a force: The force is stronger nearer the object. The force is stronger is the charge is large.

  10. Brain Break 1 Ask the person next to you: What was the favorite dish you had during the break?

  11. Topic: Static Charge Static Charge is the buildup of electric charge in an object caused by the presence of many particles with the same charge Example: Balloon and hair Balloon and paper

  12. Topic: Static Charge Opposites attract. And likes repel.

  13. Topic: Static Charge Charging objects can be done two ways: Charging by contact Charging by induction

  14. Topic: Static Charge Charging objects can be done two ways: Charging by contact- charges move when the objects TOUCH

  15. Topic: Static Charge Charging objects can be done two ways: Charging by induction- charges move without TOUCH

  16. Topic: Static Charge Charge Polarization is the process of separating opposite charges within an object. The positive charge becomes separated from the negative charge.

  17. Diagram the electric field lines for the following configuration of two objects. Place arrows on your field lines.

  18. Which is an example of polarization?

  19. Respond to the following student statement: "A positively charged object is an object which has an excess of positive electrons." Opposites attract. And likes repel.

  20. Topic: Charge Movement Static Charges have Potential Energy. Potential Energy is stored energy.

  21. Topic: Charge Movement Static Charges have Potential Energy. Potential Energy is stored energy. Electric Potentialis the amount of electric potential energy that a unit of charge has at a certain position in an electric field. Electric Potential is measured in Volts

  22. Topic: Charge Movement Charges can move only if there is a DIFFERENCE in electric potential.

  23. Topic: Charge Movement Charges can move only if there is a DIFFERENCE in electric potential.

  24. Examples of Charge Movement “Static Shock” Opposites attract. And likes repel.

  25. Examples of Charge Movement Lightning Opposites attract. And likes repel.

  26. Opposites attract. And likes repel.

  27. Several electric field line patterns are shown in the diagrams below. Which of these patterns are incorrect? _________ Explain what is wrong with all incorrect diagrams.

  28. Several electric field line patterns are shown in the diagrams below. Which of these patterns are incorrect? _________ Explain what is wrong with all incorrect diagrams. Answer: C, D and E In C, the lines are directed towards a positively charged object. In D, the lines are not symmetrically positioned despite the fact that the object is a symmetrical sphere. In E, the lines are directed away from a negative charge.

  29. Opposites attract. And likes repel.

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