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In chemistry: The substances in a mixture can be elements, or compounds, or both. Being part of a mixture does not change the chemical properties of the substances that are in it. Mixtures can be ...

Students will apply tests, based on physical properties of matter samples, to determine whether a heterogeneous mixture is a suspension or a colloid. Part of science is learning how to ask questions ...

A team of researchers led by a physics graduate student recently made the surprising discovery of what they call a 'shape-recovering liquid,' which defies some long-held expectations derived from the ...