Curated OER
Programming the "Rinse Robot"
Experienced chemistry technicians use then layer chromatography to discover how much of a free compound is left after each rinse cycle. Where this could obviously be used as a practice with chromatography technique, it can also be used...
Science Education Resource Center at Carleton College
Serc: Lab Investigation Mixture Separation
An inquiry lab where students try to separate as much as the pure substance they can in a set time period. This lab helps students understand that physical means can be used to take apart a mixture.
E-learning for Kids
E Learning for Kids: Science: Cyprus Dancing School: How Can We Separate Insoluble Solids From Liquids?
This module gives a few techniques of how to separate mixtures.
Khan Academy
Khan Academy: Test Prep: Mcat: Chemical Processes: Separations and Purifications: Principles of Chromatography
Explains what chromatography is and how its principles are applied when separating mixtures.
Massachusetts Institute of Technology
Mit: Open Course Ware: Courses: Chemical Engineering: Separation Processes
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...
Other
Science Alive: Pure Substances, Mixtures, and Separations
One way scientists talk about matter or substance-that is, the stuff in the world-is in terms of pure substances and mixtures. Pure substances are substances that contain only one kind of molecule. Water with nothing else in it is a pure...
Other
Science Alive: Pure Substances, Mixtures, and Separations
This series of activities focuses on the separation of mixtures. The activities can be used in a unit on mixtures and pure substances.
Exploratorium
Exploratorium: Science Snacks: Avalanche
In this activity, pour a salt-sand mixture into a CD case to notice how the particles separate themselves. Observe the effect known as granular convection as the smaller sand particles fall beneath the larger particles leaving a layered...
Museum of Science
Museum of Science and Industry: Online Science: Candy and Chromatography
Follow these illustrated, step-by-step instructions to use chromatography as a tool in identifying a mystery candy.
Science Struck
Science Struck: The Different Purposes and Types of Chromatography
Explains the distinction between the two main types of chromatography - analytical and preparative - and describes eleven chromatography techniques.
BBC
Bbc: Gcse Bitesize: Purity and Separating Mixtures
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.
E-learning for Kids
E Learning for Kids: Science: Italy: How Can We Separate Solid Mixtures?
Help Rozalia clean her Pizzeria kitchen by using different methods to sort out mixtures.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Separating Mixtures
[Free Registration/Login may be required to access all resource tools.] Discusses how mixtures of solids can be separated based on observable properties of their parts such as particle size, shape, color, and magnetic attraction.
Alabama Learning Exchange
Alex: Separation of a Mixture
Students will use their knowledge of physical properties to separate a mixture of four ingredients. The students are required to design their own laboratory procedure for separating the mixture. The separation process itself encourages...
Khan Academy
Khan Academy: Separations and Purifications: Passage 2
This is a four-question quiz pertaining to the passage "Separations and Purifications -- Passage 2".
Khan Academy
Khan Academy: Creating and Separating Acetone
This is a five-question quiz over the informative passage "Creating and Separating Acetone."
Khan Academy
Khan Academy: Separations and Purifications Questions
This is a ten-question quiz pertaining to separations and purifications.
Science Buddies
Science Buddies: Build a Bottle Centrifuge
In this fun activity, you will build your own simple bottle centrifuge and test how it works.
Hunkins Experiments
Hunkin's Experiments: Ink
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one is a...
Science Education Resource Center at Carleton College
Serc: Mn Step: Spotting Chromatography
A lab activity that introduces chromatography using markers, plus water and acetone as the solvents. Learners will take measurements to compare the mobile and stationary phases of the inks, and find the polarity of the inks and solvents....
Other
The Distillation Group: An Overview of the Distillation Process
Use this site to learn about the basic process of industrial distillation. There is also a photo gallery to view real-world distillation plants.
Concord Consortium
Concord Consortium: Molecular Workbench: Size Segregation of Vibrating Particles
View this simulation to observe how larger particles can be separated from smaller particles through vibration.
ClassFlow
Class Flow: Solids, Liquids and How They Can Be Separated
[Free Registration/Login Required] In this unit children learn about the differences between solids and liquids and recognize that the same material can exist as both solid and liquid. They identify changes that occur when solids and...
Ducksters
Ducksters: Chemistry for Kids: Separating Mixtures
Kids learn about separating mixtures in chemistry including separation processes such as filtration, distillation, and the centrifuge.