Royal Society of Chemistry
Separating Mixtures: How We Concentrate Natural Materials
Have your class look at a granite specimen and describe what they see. They should note three distinct components. Discuss mixtures with them and how they might be separated, then send them to the lab to figure out how to take apart five...
Baylor College
How Can We Find Out What Is in Water?
Using paper chromatography, water watchers discover that several substances might be dissolved even though they aren't visible. For this case, you will prepare a mixture of three different food colorings for them to experiment with. A...
Curated OER
Separating Mixtures Worksheet #2
In this separating mixtures worksheet, students answer 6 questions about they ways to separate mixtures including using chromatography, using skimming, and pouring off a liquid. Students are given different fractions and their properties...
Curated OER
#13 Chromatography is a Gas: An Inquiry-Based Introduction to Gas Chromatography
Advanced chemistry scholars read about gas chromatography as a means of separating mixtures into their components. Then they try the technique on fingernail polish remover. Detailed instructions are provided via a lab sheet for your...
LABScI
The Separation Lab: Candy Colors
There's no better motivator than candy! An engaging activity has pupils explore methods for separating mixtures. A two-part lab first explores methods of separation based on size and magnetism. The second activity introduces learners to...
Teach Engineering
Properties of Mixtures vs. Solutions: Mix It Up!
Now it becomes crystal clear why the unit is called Mixtures and Solutions. The fifth installment of a six-part unit explores mixtures and solutions. After viewing a demonstration on mixing pebbles with water, salt with water, and...
Curated OER
Recognition and Classification of Mixtures
Immerse your chemistry class in solutions! They melt and compare the mixtures that make up margarine, separate black ink into its component colors, distill ocean saltwater, and practice chromatography with plant pigments. There are eight...
Curated OER
Lipstick Chromatography/Ink Chromatography
Junior crime scene investigators are instructed in two different chromatography exercises. For female suspects, they separate and compare lipstick pigments. For male suspects, they separate and compare ink samples. A data sheet is...
Olomana School
Mixtures and Solutions: Paper Chromatography Experiment
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...
Curated OER
Marvelous Mixtures
Fifth graders design an experiment in which they separate mixtures. In this mixtures lesson, 5th graders define mixtures, solutions, solutes, and solvents. They watch a video, complete worksheets, and perform an experiment to separate...
Curated OER
Chromatographic Separation of Methylene Blue and Sodium Fluorescein
Students determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography. They conduct an initial TLC separation using ethanol and a different solvent mixture and analyze the data...
Curated OER
Separation of a Complex Mixture
Students develop a method to separate different types of mixtures. For this chemistry lesson, students model the steps in the scientific method. They perform the experiment and analyze data.
Curated OER
#16 Separation Science Lab
High schoolers in this inquiry-based experiment, put in the role of a method development chemist. The scenario they are given is that a train wreck has occurred resulting in a chemical spill. Students are told that the spill mixture...
Curated OER
In the Mix
Students construct a water filter. In this engineering lesson, students discover how to construct a water filtration system. Students work in groups to sort tools by their properties. Students analyze and construct a water filtration...
Curated OER
Mixtures
Learners experiment with solutions. In this mixtures and solutions science instructional activity, students work in groups of three to perform an experiment. Learners place a sugar cube in three glasses, and observe and record the...
Curated OER
Chromatography - Chemical Separation of Colors
Third graders use the scientific method as they separate the colors used in ink. In this chromatography lesson, the teacher introduces students to how chromatography is used in several careers, then students perform an experiment to see...
Curated OER
Simulating Mixture Problems with Colored Beads
High schoolers practice creating mixtures out of colored beads.
Curated OER
Mixtures of Matter
Learners experiment with mixtures of matter. For this matter lesson, students investigate which liquids form a solution when mixed together and which do not. Learners also identify which solids can be separated from matter.
Curated OER
Mixtures
Students differentiate the two types of mixtures. In this chemistry lesson, students create their own mixture and classify them according to their type. They simulate steel production with the help of a guest speaker.
Curated OER
The Effects of Temperature on Chemical Mixtures
Students explore chemical cahnges and the effect of temperature on chemical mixturees, They make observations of the behavior and appearance of certain chemical mixtures and reactions.
Curated OER
What Are Mixtures And Solutions?
Students explore mixtures and solutions. In this chemistry lesson plan, students will add different ingredients to jars in order to classify them as mixtures or solutions. There is also a nail balancing activity that can be done at home.
Curated OER
Thin Layer Chromatography (TLC) Separation of Plant Pigments - Chlorophyll, Carotene
Students use TLC separations to identify various substances. In this chlorophyll lesson students separate pigments found in different plants.
California Academy of Science
Composting: A Scientific Investigation: California Academy of Sciences
Garbage, recycle, compost: Does it really matter where we put our trash once we are done? By making detailed observations over seven weeks, kids will see which materials break down naturally to become a healthy part of the soil, and...
Curated OER
Mixtures are Exciting
Fifth graders collaborate with other classmates to classify and create mixtures made of two or more substances. In this mixture lesson, 5th graders create solid-solid, liquid-solid, and liquid-liquid mixtures. Students discuss with the...