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Question | Answer |
---|---|
What is a physical property? | Any characteristic of a material that can be observed without changing the identity of it |
What is density? | the mass per unit volume i=of the substance |
What is the hardest substance found in nature? | Diamonds |
What has more density: gas, solid, or liquid? | gas |
Why does water have a higher boiling point than other molecules? | the molecules have a greater attraction for one another |
What is the boiling point for water? | 100 degrees |
What is elctrical conductivity? | the ability of a material to transfer electric charges through a material |
This can be easily seperated | mixtures |
What chenges during a change os state? | Physical properties |
why can't you get shocked when you touch an electrical cord? | The plastic is not conductive |