Curated OER
Linear Systems: General Solutions
In this linear system worksheet, students explore the characteristics of given matrices. They multiply matrices and determine pivots and multiply solutions. This four-page worksheet contains approximately seven problems.
Soft Schools
Soft Schools: Chemistry Quizzes: Mixtures and Compounds
Assess your knowledge of mixtures and compounds and your ability to identify real-world examples with this interactive multiple choice quiz. Immediate feedback is provided.
Chem4kids
Chem4 Kids: Matter: Solutions and Mixtures
This Chem4kids tutorial teaches the basic properties of solutions.