The Space Place is an integrated set of activities about space for elementary-school-age kids, with cool images, animations, hands-on projects, games, puzzles, and more.
Explore the solar system with text, pictures, sounds, and occasional movies at The Nine Planets. Each of the planets and major moons in the solar system is described and illustrated with pictures from NASA.
If you don't have any time to look at any other links, then this is the place for you. Windows on the Universe offers the choice of appropriate educational levels — beginner, intermediate, or advanced. It is brought to you by the University Corporation for Atmospheric Research (UCAR).
Want a convenient way to find NASA space science resources for use in classrooms, science museums, planetariums, and other settings? Check out the NASA Wavelength. It's searchable or browsable by keyword, topic, and/or grade level.
As part of NASA's Imagine Mars Project, students explore their own community and decide which artistic, scientific and cultural elements will be important on Mars. Then they develop their ideal community, from an inter-disciplinary perspective that includes arts, sciences and technology.
PBSKids and DragonflyTV invite you to think like a scientist — how would you go about finding water on Mars?
Amazing Space has developed educational materials for learners of all ages.