Thomas R. Rybolt

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Environmental Science Fair Projects Using Water, Feathers, Sunlight, Ballons, And More: Using Water, Feathers, Sunlight, Balloons, And More (EARTH SCIENCE! BEST SCIENCE PROJECTS)
Rybolt, Thomas R.; Mebane, Robert C.

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� 4.18

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Soda Pop Science Projects: Experiments With Carbonated Soft Drinks (Science Fair Success)
Rybolt, Thomas R.

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� 2.68

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Environmental Experiments About Renewable Energy (Science Experiments for Young People S.)
Rybolt, Thomas R.; Mebane, Robert C.

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� 2.30

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Environmental Science Fair Projects, Using the Scientific Method (Earth Science Projects Using the Scientific Method)
Rybolt, Thomas R; Mebane, Robert C

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� 8.45

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Ace Your Food Science Project: Great Science Fair Ideas
Gardner, Robert; Tocci, Salvatore; Rybolt, Thomas R.

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� 6

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Environmental Experiments About Water (Science Experiments for Young People S.)
Rybolt, Thomas R.; Mebane, Robert C.

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� 10.35

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Science Fair Success With Scents, Aromas, and Smells
Rybolt, Thomas R.; Rybolt, Leah M.

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� 7.80

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Ace Your Science Project About the Senses: Great Science Fair Ideas (Ace Your Biology Science Project)
Gardner, Robert; Rybolt, Thomas R.; Rybolt, Leah M.

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� 21.03

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