Properties of Matter. Physical Properties, Phases of Matter, Chemical Properties. General (Physical) Properties. Physical properties may be observed without changing the nature of the matter. Boiling point is a physical property
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Properties of Matter
Physical Properties, Phases of Matter, Chemical Properties
90g ÷ 30cm3 = 3g/cm3
1) If the mass of a rock is 500g and its volume is 25cm3, what is its density?
The northern lights are caused by plasma streams from
the sun hitting our atmosphere. This causes electrons in
atmospheric gases to be excited to a higher energy level,
And when they drop back down, a photon of light is emitted.