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   ocr: CHANGES OF STATE ANY SUBSTANCES can exist in ) Mm - more than one state - as a solid, liquid, or gas. Which state they are in depends on their temperature and Glass flask pressure. At certain temperatures, under normal atmospheric pressure, some Water in substances change state. Liquids, for the solid example, may become solids or gases, state ofice and gases may condense into liquids. Elements change state, undernormal pressure, at specific temperatures, known as melting (or freezing) and boiling (or condensation) points. KD THE THREE STATES OF WATER We use water in each ofits three states. i ...