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Judy Keller showing girls how to test for fingerprints. |
How many pennies will this bridge hold up? |
Jennifer Milano shows the girls her "dinosaur" bones. |
Kimberly Kreft explores the PH of various kitchen items with the girls. |
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Two former Tech Trek girls helped the Discover Day girls learn geometry through Origami. |
The girls learned all about their vital signs. |
Can you put a pencil through a bag of water without spilling a single drop? |
Using pennies to construct a "Better Bridge". |