Check out this infographic from the Smithsonian Science Education Center - Transforming Science Education. People who understand science and technology are smarter, more competitive, more productive, and more engaged global citizens.
Simple Solar System mobile craft made from recycled circular foams, yarn and foam balls in assorted sizes. Space the planets according their distance to the Sun and attach labels on the yarn to name the planets.
Over 3000 searchable STEM (Science, Technology, Engineering and Math) activities for kids - compiled by top science museums in the US. All are FREE, can be accessed on computer or mobile devices via the free app.