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Matter and its changes/properties (States of matter (Liquid (Particles are…
Matter and its changes/properties
Matter
Everything that's around us/ hole universe
States of matter
Liquid
Particles are moving but not so quickly
definite volume/ independent shape
Solid
Particles are almost not moving
definite volume/ definite shape
Gas
Particles move quickly and they're separated.
no definite shape/ no definite volume
Physical property
characteristics that you can change without changing the identity of substances.
Conductivity, Malleability, Magnetism, reflectivity/transparency, mass, weight, volume, density, solubility, melting point, freezing point, the boiling point.
Physical properties do not change.
Ripping paper Ex.
Chemical properties
Flammability, rust,
Does change, Ex. Burning paper.
Density
Mass/Volume
D= 25g/1cm3
law of consantration of mass
The total mass of constration before=total mass of consantration after
6CO2 + 6H2O ---> C6 H12 O6 +6O2