Given descriptions, scenarios, or illustrations of properties, students will distinguish between pure substances and mixtures.

[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will define a mixture and understand why mixtures are different than pure substances. They will classify mixtures as homogeneous or...

This lesson focuses on different types of chemical substances, distinguishing between pure substances and mixtures, and changes of temperature based in substance. It provides a link to a test.

[Free Registration/Login Required] Discover the composition of matter and the relationship between matter, atoms, and elements. Students will learn the differences between elements and compounds, and how molecules are formed. Chemical...