Transcontinental railroad

Transcontinental railroad

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Materials (for each student pair) a€c one whole lemon a€c brass thumbtack a€c steel paper clip a€c 2 lengths of electrical wire a€c 3-volt (or less) flashlight bulb Directions: ... Repeat the procedure with the paper clip (see diagram). ... Materials: (for each group) a€c wire clippers a€c 72 inches (1 80 cm) electrical wire a€c bar magnet a€c compass 1.

Title:Transcontinental railroad
Author:Mary Ellen Sterling
Publisher:Teacher Created Resources - 1993-04


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