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7 2.1 Properties Mat
Physical and chemical properties
Term | Definition |
---|---|
Biodegradable | bacteria or fungi breaks down the substance into simpler substances |
Chemical properties | how substances react with other substances |
Compressed | Squashed |
Incompressible | not able to be compressed or squashed |
Non-biodegradable | doesn't rot or break down |
Odour | smell |
Physical properties | describe things about the substance like its appearance, melting, freezing and boiling points and its hardness |
Plasma | the fourth state of matter, found in sparks, lightning bolts and in stars |
States of Matter (phases) | solid, liquid, gas (and plasma at temperatures over 6000 degrees C) |