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Sarah Sell Science Lesson Plan #1- Electricity February 14, 2012

BIG IDEAS OF ELECTRICITY

1.  Electricity is a form of energy that has powered our world for centuries.

2.  Circuits are the system in which electrical currents flows in a complete path to createdifferent forms of energy.

3.  Electricity flows through some matter more efficiently than others.

4.  Static electricity is a form of electrical energy.

5.  Electrical fields are created through changing magnetic fields and vice versa6.  Benjamin Franklin and Thomas Edison were pioneers in the harnessing of electricity

for uses in today’s world.

7.  Electricity is composed of a system and structure of atoms.8.  It is important to avoid electrical hazards when working with electricity.

OBJECTIVES

Big idea: 2.) Circuits are the system in which electrical currents flows in a complete path to

create different forms of energy. 

  SWBAT model the flow of electricity through a circuit by way of a diagram and physicalcircuit.

  SWBAT create diagrams that illustrate how electricity moves and fails to move through acircuit.

  SWBAT construct a physical functioning electrical circuit safely based on their model

and diagram.

  SWBAT judge how effective their circuit operates based on their chosen paths.

  SWBAT compare and contrast their models with peers and how each model affects the

flow of electricity differently.  SWBAT demonstrate multiple forms of energy through their circuits.

Big ideas: 4.) Static electricity is a form of electrical energy.

3.) Electricity flows through some matter more efficiently than others.

7.) Electricity is composed of a system and structure of atoms.

  SWBAT evaluate the substances that release the greatest electrical charge onto a balloon.

  SWBAT categorize their findings into groups that highlight the similarities betweenobjects.

  SWBAT formulate the transfer of positive and negative charges when the balloon in thesimulation is rubbed against a sweater.

  SWBAT test the effects the atom charge transfer has on other objects.

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Sarah Sell Science Lesson Plan #1- Electricity February 14, 2012

ASSESMENT

Big idea: 2.) Circuits are the system in which electrical currents flows in a complete path to

create different forms of energy.

  Students’ models represented the flow of energy in a complete path that returnedto its initial source.

  Students’ diagrams illustrated the complete loop concept and were utilized in theconstruction of the circuit.

  Students created successful circuits based on troubleshooting, collaboration, priorknowledge and their model.

  Students discuss and record why and how their model works to support their

understanding of circuits.

  Students considered different types of circuits in the modeling and constructing of their own and peers by experimenting with their circuit’s path.

  Students rationalize if and how different forms of energy can be expressed

through their circuit by testing different mediums in them (i.e. a light, a fan, etc.).  Students share and discuss with peers their circuit and then generate a class list of 

the most effective and least effective circuit and why.

Big ideas: 4.) Static electricity is a form of electrical energy.

3.) Electricity flows through some matter more efficiently than others.

7.) Electricity is composed of a system and structure of atoms.

  Students justified why some materials were better electrical conductors thanothers.

  Students label certain conductors as being either insulators or resistors. Studentsprovide reasons for these answers.

  Students categorize the objects by good conductors and bad conductors todiscover relationships between objects.

  Students make conclusions based on these categories as to which objects are goodconductors and those that are not. Students relate these findings to what materials

they have already classified as resistors and insulators.

  Students transfer negative charges from the sweater to the balloon and explainwhat happens to the balloon when it is let go.

http://phet.colorado.edu/en/simulation/balloons  

  Students demonstrate and rationalize what happens to the balloon when it tendstowards the wall. Students can illustrate and write about phenomenon and why it

happens.

  Students write/ draw/ verbalize the process of transferred atomic charges based onthe balloon/sweater simulation.

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