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Build a Circuit

Build a Circuit

TEKS Objective

The student is expected to demonstrate that electricity travels in a closed path, creating an electrical circuit, and explore an electromagnetic field.


Essential Understanding

The student knows that energy exists in many forms and can be observed in cycles, patterns, and systems.

Science Background

Circuits: California Energy Commission (website) - Explanation of basic electrical circuits.

Circuits
California Energy Commission, www.energyquest.ca.gov

How Electromagnets Work: HowStuffWorks (Website) - Overview of the relationship between electrical current and magnetism.

How Electromagnets Work
HowStuffWorks, science.howstuffworks.com

Electric Circuits: All About Circuits (website) - Series of explanations and illustrations present the basic concepts of electricity. This page also includes links to information about many other topics related to electricity.

Electric Circuits
All About Circuits, www.allaboutcircuits.com

How Does Current Flow in an Electric Circuit? Innovate Us (website) - Brief explanation of different kinds of electrical circuits and how they work.

How Does Current Flow in an Electric Circuit?
Innovate Us, www.innovateus.net

Signature Lesson

Circuits and Electric Light: PowerSleuth (website) – Students examine a flashlight and make their own circuits using a battery, wire and a bulb. (HINT: Holiday light sets are a great source of insulated wire and bulbs for electricity activities. Simply cut the string of lights into sections. Be sure to leave about 3 inches of wire on both sides of each bulb to make the ends easy to connect.)

Circuits and Electric Light
PowerSleuth, www.powersleuth.org

Supporting Lessons

Flashlight: PBS Kids (website) - Instructions for building a simple homemade flashlight.

Flashlight
PBS Kids, pbskids.org

Elaboration Lessons and Extensions

Squishy Circuits: University of Saint Thomas (website) - Make electrical circuits with homemade Play Dough.

Squishy Circuits
University of Saint Thomas, www.courseweb.stthomas.edu

Circuits and Switches: Intel (website) – Online activities and animations that teach how electricity works.

Circuits and Switches
Intel, www.intel.com

Make a Circuit Board: Museum of Science and Industry (website) - Build a mystery circuit board that challenges students to figure out path of each circuit.

Make a Circuit Board
Museum of Science and Industry, www.msichicago.org

Electricity: The Tech Museum (website) - Activities on conductors, insulators and other topics related to electricity, with interactive animations and self-checks.

Electricity
The Tech Museum, www.thetech.org

Assessment Ideas

Have students demonstrate all possible configurations using two wires, a battery, and a bulb. Then, have students draw illustrations showing which of these configurations will light up the bulb.  

Literature Connections

Electricity. Mullins, M. (ISBN: 978-0531265819)

Making a Circuit. Oxlade, Chris (ISBN-13: 978-1432956790)

Cool Circuits, Martineau, Susan (ISBN-13: 978-1615334049)

Dear Mr. Henshaw. Cleary, Beverly (ISBN-13: 978-0688024055)

Discovering Electricity. Bains, Rae (ISBN-13: 978-0893755652)

The Story of Electricity. Bailey, Jacqui (ISBN-13: 978-1404811294)

Related Science TEKS

(4.4A) Tools for Collecting and Analyzing Information
The student is expected to collect, record, and analyze information using tools, including calculators, microscopes, cameras, computers, hand lenses, metric rulers, Celsius thermometers, mirrors, spring scales, pan balances, triple beam balances, graduated cylinders, beakers, hot plates, meter sticks, compasses, magnets, collecting nets, and notebooks; timing devices, including clocks and stopwatches; and materials to support observation of habitats of organisms such as terrariums and aquariums.

(4.6A) Forms of Energy
The student is expected to differentiate among forms of energy, including mechanical, sound, electrical, light, and heat/thermal.

(4.6B) Conductors and Insulators
The student is expected to differentiate between conductors and insulators.

Related Math TEKS

4.14D  The student is expected to use tools such as real objects, manipulatives, and technology to solve problems.

4.16B   The student is expected to justify why an answer is reasonable and explain the solution process.

Additional Resources

Energizer Science Center: Energizer (website) - Learn about circuits, flashlights, batteries and more at this commercial website, home of the famous “bunny.”

Energizer Science Center
Energizer, www.energizer.com

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