Simplify the following text for a Grade 7 native English-speaking person.
Original: The first ice pop was created by accident in 1905 when 11-year-old Frank Epperson left a mixture of powdered soda , water , and a stirring stick in a cup on his porch in cold weather .
Simplified: The Popsicle ice pop was accidentally invented in 1905 by 11-year-old Frank Epperson . Epperson left a mixture of powdered soda and water and a stirring stick in a cup on his porch .