Explore the unique characteristics of polymers. A complete instructional activity begins with a presentation introducing polymers. Following the presentation, young scientists develop a laboratory plan for creating substances using...

This isn't your typical basic lesson—it's more acidic! Learners use pH information to determine the hydroxide ion concentration of different substances and then use these values to analyze information. The calculations require...

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 may be required to access all resource tools.] Discusses elements and their different properties, the history of elements, and how atoms relate to elements.

A module reviewing over how vaporization occurs and its difference from evaporation. Also, review over the definition of boiling point. Module includes a video, pictures, explanation, and review questions.

[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...