The Science for Kids site provides several resources for different subjects in science, but the Physics page of this site is especially useful. The links to games, experiments, project ideas, and fact pages are all easy to navigate and offer plenty of fun information for kids to play with while they learn. There are also videos that provide introductions to topics such as electricity and gravity. Children can challenge their knowledge through quizzes and other activities as well. The Science for Kids site tailors to the learning needs of many types of children with different learning strategies, while also providing a fun and factual database for discovering physics. Follow the link to the site here!
Physics Practice for Kids