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Scientific Method and Measurement
35
Scientific Method and Measurement— Laboratory Kits, continued
Match the Mystery Solutions—
Guided-Inquiry Kit
By: Bob Becker
Kirkwood High School, Kirkwood, MO
Challenge students to solve the puzzle of the unknown solutions. Students brainstorm how to match three colorless mystery solutions with the same solutions a partner has. One catch—once a course of action has been determined, no visual comparisons are allowed! Good inquiry and communication skills are emphasized as students test the solutions and exchange information about the results. A great lab for the first day of class, with 100% participation guaranteed!
Complete for 30 students working in pairs.
Solubility Races—Scientific Method
Guided-Inquiry Kit
By: The Flinn Staff
The best way to teach the scientific method is to actually use the scientific method! In this guided-inquiry lab, students determine how different factors will affect the rate at which a solid dissolves in a liquid by following the steps of the scientific method. Students devise experi- ments to measure the effects of each variable, conduct the necessary tests, and analyze and graph the results. Supplementary information is provided in the instructor’s notes so that the lab may be performed as either a student-designed experiment or as a more conventional experi- ment with step-by-step instructions. Includes reproducible student handouts, detailed background information, sample data and answers to all questions, and all necessary chemicals and consumable supplies.
Complete for 30 students working in pairs. Super Value Kit is complete for 5 classes of 30 students working in pairs.
Conservation of Mass and Buoyancy—
Student Laboratory Kit
By: The Flinn Staff
In a chemical reaction, matter is neither created nor destroyed, except in this apparent contradictory experiment! Students will understand what is really measured when we “weigh” something on a balance. Students first conduct an experiment to note that the change of state of a material does not affect its mass, confirming the Law of Conservation of Mass. Students then perform a second experiment that considers the buoyant forces on an object in air. The difficult concept of “weighing” versus “massing” is illustrated as students try to explain the apparent discrep- ancy in the mass readings they find during the experiment.
Complete for 30 students working in pairs. Requires a balance with sensitivity greater than 0.1 g.
Discovering Density—General, Organic and Biological Chemistry Experiment See page 6.
SCIENTIFIC METHOD AND MEASUREMENT—LABORATORY KITS continued on next page.
Match the Mystery Solutions—Guided-Inquiry Kit AP7323
Catalog No.
Description
Price/Each
AP7323
Match the Mystery Solutions—Guided-Inquiry Kit
$37.90
Catalog No.
Description
Price/Each
AP7058
Solubility Races—Scientific Method Guided-Inquiry Kit
$25.55
AP7575
Solubility Races—Super Value Guided-Inquiry Kit
56.85
Solubility Races—Scientific Method Guided-Inquiry Kit AP7058
Catalog No.
Description
Price/Each
AP6994
Conservation of Mass and Buoyancy— Student Laboratory Kit
$41.85
Conservation of Mass and Buoyancy—Student Laboratory Kit AP6994