5th Grade Science Quiz
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MATTER AND ITS INTERACTIONS
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Using the measurements, which known rock best matches Unknown Rock Y's properties?
Reference rocks:
- Quartz: white/clear, very hard, 70 g, not magnetic
- Marble: white, medium hardness, 60 g, fizzes with vinegar
- Basalt: dark gray, hard, 85 g, not magnetic
Unknown Rock Y: dark gray, hard, 83 g, not magnetic.
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