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Andrew Meacham: TAMPA — Tiffany Messingham wanted to get her first-grade students thinking about how the sun works.

How does it change things?

So in November, the bubbly teacher at Lee Elementary School of Technology and World Studies started an experiment. She directed her students to cut outlines of their hands on turquoise construction paper.

The students wrote their names on the palm prints and taped them to classroom windows, where they would absorb the light.

What will happen to the paper over time, she asked them. Make a prediction.