In May, our Re'Chelle Turner was invited to the USPS Local Processing Center in Missouri City for an inside look at the new equipment and technology to improve mail delivery. However, in recent months, problems have resurfaced.

Science’, Jason Lindsey shares seasonal science experiments to spark your child’s curiosity and learning during the holiday break. HOW TO CREATE HOT ICEINGREDIENTSSodium Acetate Hand Warmer2 Plastic CupVinegarScissorsINSTRUCTIONSSTEP 1: Turn the plastic cup upside down and sit it on a flat surface. Dip your fingers, scissors, and the sodium acetate hand warmer into the vinegar. STEP 3: Using the scissors carefully cut open the sodium acetate hand warmer without activating the hand warmer. Once the sodium acetate hits the bottom of the upside-down plastic cup a chain reaction happens causing the solution to crystallize.

KPRC 2 Meteorologist Britta Merwin shows you how to make a chemical reaction using a balloon, baking soda and vinegar. If you need help with the Public File, call (713) 778-4745.