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what is Specific, physical characteristics that can be observed using senses
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GPT-5 mini
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Those are called physical (or sensory/observable) properties — specific, physical characteristics you can detect with your five senses (or simple tools). They describe what a substance or object looks, feels, smells, tastes, or sounds like, and can include measurable quantities.
Common examples:
- Sight: color, shape, size, luster, transparency, grain or pattern
- Touch: texture, hardness, flexibility, temperature (rough feel)
- Smell: odor/aroma
- Taste: sweet, sour, bitter, salty, umami (use with caution)
- Hearing: sound when tapped, brittleness (crack vs. dull thud)
- Measurable physical properties often observed with tools: mass/weight, volume, density, melting/boiling point, electrical conductivity
These differ from chemical properties (reactivity, flammability, acidity), which describe how a substance changes chemically rather than how it appears or feels.
Common examples:
- Sight: color, shape, size, luster, transparency, grain or pattern
- Touch: texture, hardness, flexibility, temperature (rough feel)
- Smell: odor/aroma
- Taste: sweet, sour, bitter, salty, umami (use with caution)
- Hearing: sound when tapped, brittleness (crack vs. dull thud)
- Measurable physical properties often observed with tools: mass/weight, volume, density, melting/boiling point, electrical conductivity
These differ from chemical properties (reactivity, flammability, acidity), which describe how a substance changes chemically rather than how it appears or feels.
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