Curated OER
Phases of Matter
Eighth graders practice using correct vocabulary and apply content knowledge related to phases of matter when answering questions about situations or observations from everyday life.
Curated OER
Identifying Elements
Students use diffraction glasses to find similarities and differences between observed spectrum of fluorescent light and an incandescent light They work in groups of 4-6 for the experiment/activity part of this exercise.
Curated OER
Introduction to Gas Chromatography
Students analyze gas chromatograms and suggest various applications for gas chromatography.
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.
University of Alberta
The University of Alberta: Separation of Acids, Bases and Neutral Compounds
As a chemist, you will learn to deal with complex mixtures of many compounds. In this interactive activity, you will learn the basis of separations using acid-base extraction. In the virtual lab you will simulate an actual experiment and...
Discovery Education
Discovery Education: Science of Everyday Life: In the Mix [Pdf]
In this lesson plan, students use different types of filters to separate the mixture. This lab requires the students to use engineering skills to solve a real-world problem of filtering water.
TeachEngineering
Teach Engineering: Chromatography Lab
To increase students' awareness of possible invisible pollutants in drinking water sources, students perform an exciting lab requiring them to think about how solutions and mixtures exist even in unsuspecting places such as ink. They use...
Science Education Resource Center at Carleton College
Serc: Investigating Chromatography: Selecting Variables
In this lab, learners will demonstrate observation skills as they design an experiment to separate colors of various water-based pens in order to learn about mixtures and solutions. Students will determine a variable to test and complete...
Dartmouth College
Dartmouth College: Centrifugation
"A centrifuge separates a heterogeneous mixture of solid and liquid by spinning it." Use this site to find out how to correctly use a centrifuge in this informative site.