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Are All Batteries the Same?

Experiment #2 from Investigating Voltage

Education Level
Elementary School


Why are there so many kinds and sizes of batteries? Does the size of the battery determine the voltage of the battery? In this activity, you will set up an electrical circuit and investigate some of the properties of batteries.


  • Make observations about the size of different batteries.
  • Use a probe to measure the voltage of various batteries.
  • Make simple circuits with batteries and bulbs.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

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This experiment is #2 of Investigating Voltage. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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