Heating Matter There are three states of matter – solids, liquids and gases. Matter can change from one state to another when heat is added or taken away.
Melting When solid matter is heated, it changes from a solid to a liquid. Ice is a solid. When ice is heated it changes into liquid water. This process of changing from a solid to a liquid is called melting. A candle is made of solid wax. When you light a candle, the heat from the flame causes the solid wax to melt into liquid wax. What are some other examples where heat causes a solid to melt into a liquid?
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