The links on the table below lead to portable document files that can be viewed and printed on any computer with Adobe Acrobat Reader.
The documents and all material contained therein are © Dean Baird. All rights reserved. They may be used by teachers and students for classroom instruction. Beyond that, no part of these documents may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage or retrieval system, without permission in writing from the author.
Definitions of quantities, explanations of equations, worked out example problems.
Gives a brief history and explanation of the battery and a definition of current.
Pretty standard discussion of what happens in a simple electric circuit.
Describes an analogy between electric circuits and playground slides.
Battery Lab Springboard
Students are given a lemon wedge and two galvanized nails. They must construct a 0.5V or better battery.
Measurement Technique 2 - Answers - Presentation (QuickTime)
Measurement involving a digit of estimation on the arcing scale of a voltmeter or ammeter.
||Current and Voltage Springboard
- Presentation (QuickTime)
Mechanical analogies for developing the meanings of current and voltage.
Uses the analogy comparing simple circuits to playground slides to conceptually develop Ohm's Law.
Power - Answers
Uses the analogy comparing simple circuits to playground slides to conceptually develop Joule's Law.
Wrap-Up - Answers
Review of the principles and ratios concerning the simple circuit.
|LABS - The unlinked titles below are available in the Conceptual Physics lab manual from Pearson Education - Amazon link|
||Ohm, Ohm on the Range
Hands-on development of Ohm's Law. Introduces ammeters, voltmeters, and power supplies.
Given a battery, bulb, and wire, construct a working circuit. And other conceptual adventures in simple circuitry.
||An Open and Short Case
Determine the difference between an open circuit and a short circuit.
||Be the Battery!
Using the Genecon to power a circuit, feel what it's like to power a short circuit, an open circuit, and a normal circuit. One of those will wear you down fast.
|Brainiacs: Electric Fence
- Presentation (QuickTime—BIG
A nicely produced segment from the British series, Brainiac: Science Abuse. I chopped it up to allow for inquiry, debate, and discussion. Highly recommended!
Universe: Simple DC Circuits
This episode covers current electricity, Ohm's law, and even Kirchoff's laws. Alternate forms accommodate students seated side-by-side.
|Circuits Crossword Puzzle Grid
Crossword puzzles are highly personalized and may not always translate well from my classroom to yours.
Click here for a legend and explanation of cryptic terms and abbreviations.
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