Free Elementary Science Fair Projects (3rd - 5th Grade) : Making CO2
Create a gas by causing a chemical reaction. Note some of the properties of CO2.

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With a mix of solid colors, bring variety to your Science Fair, packed 24 to a case, these Display Boards...
Ready-made titles for a professional looking display: Hypothesis, Abstract, Data, Procedure, Conclusion, Materials, Graph, and Purpose, and a blank card...
Ready-made title cards for a professional looking display: Hypothesis, Abstract, Data, Procedure, Conclusion, Materials, Graph, and Purpose. Includes blank card...
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