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Activity
Tops Learning Systems: Top Science: In Between [Pdf] Activity
TOPS Learning Systems

Tops Learning Systems: Top Science: In Between [Pdf]

For Students 4th - 8th
Investigate why mixing salt with rice, or salt with water, causes the overall volume to decrease.
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Website
General Chemistry Online: Ten Signs of Chemical Change Website
Frostburg State University

General Chemistry Online: Ten Signs of Chemical Change

For Students 9th - 10th
Resource provides the ten signs that tell when a chemical change has occured. Each sign has a detailed explanation.
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