Non-Porous Materials - raincoat, Porous materials - sponge, Biodegradable - decayed fruits, Non-biodegradable - plastic cups, Melting - solid to liquid, Homogeneous - only one phase of matter observed, Heterogenous - there are always two or more phases, Evaporation - happens when a liquid turns into a gas, Condensation - phase change from water vapor to liquid water, Deposition - changes from gas to solid,

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