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Starry, Starry Day constellation Keychain Activity - love this cute idea, would be easy to make at home during our Astronomy unit.
Elephant toothpaste (really fun foaming science experiment using hydrogen peroxide, dish soap, and yeast!)
Integrate science & literacy with Learning About Landforms: Student Book (Sample resource from this set of supplemental of materials on landforms. Twelve different landforms featured... includes posters, nonfiction articles, response sheets, and activities.) 46 pages, $
Kids' Science in the Garden...Fun ways to add even more science learning to your spring gardening in the classroom or at home!