Planet Project, great visual representation of the planets' distances
Cell Models - such a fun way to make them with Shrinky Dinks! By Got to Teach!
Kuufaasid (väga hea näitvahend)
Layers of the Earth (C1, W13)
moon phases flip book
Project shows how the Earth goes around the Sun and the Moon goes around the Earth.
Solar System: Rotating and Revolving Teaching Special Thinkers
Copy, enlarge, and punch out your constellations. by marietta
Space science rotation? Foldable for the earth's rotation around the sun - the reasons for the seasons
phases of the moon--Third grade
Lawrence Hall of Science -science games and hands-on activities for elementary school students. (25 online games some of which go along with the hands-on activities.)