Good Will online has a listing for a 4M Water Rocket. The water rockets retail for $21.99. NASA has free construction plans. A physics friend built her own rocket launcher. I buy mine off the shelf and use it for demos and Camp.
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The class is completing their Designer Baby blogs. Finally. Yes,I sat on top of them in class. I still think the time investment is wort...
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The Co-op is reviewing for a series of cell quizzes and beginning with paper plate cell cycle models and mitosis with yarn. The first t...
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