Stellarium is a free open source science planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
BBC Science Simulations 2 provides opportunities for early elementary students to interact with seven virtual science investigations. Students can observe how shadows change over the course of a day, investigate which of four materials is the best thermal insulator, and much more. Students can develop their understanding of fair testing by controlling variables on screen and can see instant results by selecting to view a table or graph alongside the animation. A "Questions" section with full narration provides ideas for investigations that students can complete independently.
BBC Science Simulations 3 was designed to enhance science investigation skills for upper elementary students. Virtual experiments exploring varying topics such as plant growth and and electrical circuits allow teachers and students to experience a wide range of phenomena in ways and at speeds that would be difficult to achieve in the classroom. The "Questions" portion of the software includes ideas for exploration. Students can manipulate a variety of variables and instantly observe their effects.
Explore the solar system with Space Academy GX-1!
Classworks is a web-based instructional software that provides interactive lessons, customized learning and assessment in K-12 Math, Reading, and Language Arts. Elementary Science lessons are also available. Classworks units are based on state standards and offer interactive instruction through a multi-sensory approach that includes voice, pop-up text, audio support, video, photographs, artist drawings, and animated clips. The multiple modalities may be helpful for those with limited English proficiency or learning disabilities, or as a Response to Intervention.