| − | A mixture whose composition is different depending on what part of the sample you are observing.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> | + | A '''heterogeneous mixture''' is a mixture whose [[composition]] is different depending on which part of the sample you are observing.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> An example of a heterogeneous mixture would be a bucket of rocks, or a metal [[alloy]]. |