Matter and energy
6.6(E)Clues That a New Substance Formed
Identify the formation of a new substance by using the evidence of a possible chemical change, including production of a gas, change in thermal energy, production of a precipitate, and color change.
Part of The student knows that matter is made of atoms, can be classified according to its properties, and can undergo changes
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Intro
Spotting a New Substance
When atoms rearrange, a brand-new substance forms. You can't see atoms moving, so scientists look for clues instead. This lesson teaches you four clues: gas production, a change in thermal energy, a precipitate, and a color change.
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