Young scientists show off research at district science fair

Courtesy Photo/RUSD Fourth-grader Kaitlyn Sagastume shows the results drinking coffee has on teeth. the 9-year-old was one of dozens who participated in the RUSD 2014 Science Fair.

Did you know that drinking coffee is comparable to swigging battery acid?

That’s the conclusion Rialto fourth-grader, Kaitlyn Sagastume, came to in completing her science project testing which liquids stain teeth most; soda, tea or coffee.

The 9-year-old’s hypothesis wasThis article is available to subcribers only... To continue reading, login or subscribe now.


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