Students observe multiple examples of capillary action. First they observe the shape of a glass-water meniscus and explain its shape in terms of the adhesive attraction of the water to the glass. Then they study capillary tubes and...

[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...

Background on HPLC, and its uses to determine the amount of caffeine in soft drinks.

Ever wonder why some colors dissolve in water and others don't? Watch this video to learn why. [2:16]

College-level chemical engineering course highlighting the general principles of separation by equilibrium and rate processes. Course topics comprise staged cascades and applications to distillation, absorption, adsorption, and membrane...

A forensics activity which deals with the idea of alcohol poisoning. Based on a Biology Lab on cell distruction in alcohol and Chemistry's Beer's Law.

Investigate the science behind traditional Zulu medicinal plants and the mushrooms used by warriors. Relate modern scientific analysis techniques to an understanding of traditional herbal medicine.

Science experiment that demonstrates chromotography. Includes full list of materials, procedures, and scientific explanation of what happens with different colors when they are soaked with water.

This is a site that offers answers to some often hard to answer questions such as why do leaves change colors. Provides an easy to understand answer to the question along with a section that students can read on their own, a puzzle,...

A slideshow illustrating the science of matter from its properties, states, and classification to mixtures and the Periodic Table of Elements.

An interesting lesson that taps into students' interest in crime solving and forensics. Students examine glass fragments and their density to help them solve a crime.

This site provides links to pages with information and techniques on analytical chemistry.

Activity involves collecting leaves to compare green leaves with fall leaves that have changed color. Students will record data on an observation sheet.

Learn about ten different methods of separation of substances.