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Hear tiny sounds with a Super Sound Cone!
Hear tiny sounds you never noticed before!
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PDFs of Space Place activities
Print-ready, downloadable PDFs of fun hands-on activities.
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Check out these nine unearthly nightmares that could be happening right now in our own galaxy. Eek!
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Glossary for "Sign Here!" words
Defines words in "Sign Here" game.
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The heat that won’t keep you warm
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And what causes them to form?