Date: 3/22/2013 and 3/25/2013
Class: Physical Science
Periods: B2,3 and W1,3,4
Outcomes: Students will be able to explain the “path of least resistance” electric currents take.
Standards: UCP.2,3,4; A.1,2; B.2,4
Student Needs:
Assessment Plan: Ticket-to-leave: Describe in your words what determines the path of least resistance.
Lesson Outline: GPE practice problem. What is Thermal Energy? What is electrical resistance? > Mythbusters episode today once we get through what we need to! > Go over answers to Ch. 7 Review #14 > Practice using ohm’s law (I=V/R) > Mythbusters episode (Lightning through a tongue piercing) > Ticket to Leave > Homework: Answer the worksheet problems on paper
Review: GPE practice problem. What is Thermal Energy? What is electrical resistance?
Anticipatory Set/Opening: Mythbusters episode today once we get through what we need to!
Key Points: The path of least resistance is based on the distance between objects and the resistances of the objects to get the current to the ground.
Teaching Input: Asking questions, giving directions
Modeling: #14 on the board, practice problems
Checking for Understanding: Have students repeat directions
Guided Practice/Monitoring: practice problems and Mythbusters
Closure: Ticket-to-leave: Describe in your words what determines the path of least resistance
Independent Practice: Ohm’s Law Worksheet
Reflection:
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