Most substances we use on a daily basis are mixtures—from the air we breathe to the water we drink and the foods we eat. Can the components of a mixture be separated?
Students discover how to separate certain mixtures in this two-part, guided-inquiry lab. A mixture is a combination of two or more pure substances. Each of these substances retains its separate chemical and physical properties. Students first examine the physical properties of salt, sand, iron, and stearic acid. Then they use their collected data to design and carry out a procedure for separating a mixture of these substances. An engaging lab in which students apply concepts such as solubility, magnetism, and filtration. Teacher Notes, extensive background material, reproducible student handouts, and sample data and analysis are included. Student handouts can be modified to fit the learning styles and ability levels of the students.
Complete for 30 students working in pairs.
Additional ResourcesNo Additional Resources at the time.
Flinn Catalog/Reference Manual Page 442
Flinn Middle School Catalog/Reference Manual Page 374
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