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6 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Difference between physical and chemical change |
Physical does not affect chemical composition Chemical change produces a new substance |
Water to steam(physical) Burning fuel (Chemical) |
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What is an element ? |
A substance that cannot be chemically reduced any further |
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What is adhesion? |
The attraction of different molecules to each other |
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What is Cohesion? |
The attraction between the same molecules |
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Relative density of air ? |
0.076 Ib/ft³ or 1.29 kg/m³ |
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Relative density of water? |
62.4 lb/ft³ , 10imp gal , 8.33 US gal , 1000 kg/ m³ |
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