Peep and the Big Wide World
The website of the wonderful science-based tv show Peep and the Big Wide World has resources specifically for parents, family child care providers, and classroom teachers. http://peepandthebigwideworld.com/en/ (English) http://peepandthebigwideworld.com/es/ (Spanish)
National Association for the Education of Young Children
Science resources from the National Association for the Education of Young Children: https://www.naeyc.org/resources/topics/science
National Science Teachers Association
Science resources from the National Science Teachers Association: https://www.nsta.org/