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Power Up


Power Up

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Using old batteries and a voltage sensor, students get a real feel of the meaning of negative and positive numbers. Students explore addition of signed numbers by placing batteries end to end (in the same direction or opposite directions) and observe the sum of the batteries’ voltages.
Material Type: Assignment
Technical Format: HTML/Text
Date Added to MERLOT: December 16, 2009
Date Modified in MERLOT: November 05, 2013
Keywords: integers


  • Editor Review avg: 4 rating
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Primary Audience: Middle School, High School
Mobile Compatibility: Not specified at this time
Technical Requirements: Voltage sensors
A collection of old batteries (all the same size)
Masking tape
Ruler (with ridge, to hold the batteries)
Graphing calculators (optional; will be needed if using the TI CBL 2TM or the Casio EA‑100 Data Analysis System, or some other calculator‑based technology)
Battery Lab Activity Sheet
Power Up Activity Sheet
Volt Meter Tool
Language: English
Cost Involved: no
Source Code Available: unsure
Accessiblity Information Available: unsure
Creative Commons: unsure


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