Chromatograhic Analysis

How do properties of water change in space? Learners explore the concept of chromatography in the installment of Christa's Lost Lessons series as they learn about capillary action. They compare findings from an in-class experiment or...

There are many hidden colors in a leaf. A hands-on lesson from the series of Christa's Lost Lessons has pupils use chromatography to uncover beautiful hidden colors. They then connect their findings to the chlorophyll present in the...

Why does some ink bleed through paper, and other ink doesn't? Practice some paper chromatography to separate the colors from a pen with an interactive experiment for middle and high schoolers. Learners use a variety of solutions to track...

A greenhouse provides additional warmth and protection to the plants inside, but what if the greenhouse gets too hot? Pupils discuss and experiment with the difference between natural and anthropogenic greenhouse effect. They measure the...

When was the last time your class saw a catalyst in action? Chemistry scholars observe an activated complex during an engaging experiment. Through both color change and evolution of a gas, individuals gain insight into the...

Does your blood type matter? The video explains the four main blood types and the importance of knowing blood types when performing transfusions. The interactive reviews the information with a quick graphic organizer and questions.

Middle schoolers investigate the pigments in Magic Markers using chromatography. In this paper chromatography lesson plan, students use absorbent paper and mark the strip with a Magic Marker. They place the strip in a solvent and observe...

Chromatography is a method used to separate mixtures of compounds and to identify each compound in the mixture. You may have separated the different inks in a black marker by using a strip of paper and water. There are many different...

Discover how to approach a scientific question, and learn eight steps students will perform in doing so. Offers suggestions on how to ask a testable question as well as several examples.

Let's hope that your soap is doing what it's supposed to! The second of six installments in the Cells unit has scholars perform an experiment cultivating bacteria in Petri dishes. They test soaps and detergents to see which is most...