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Did you mean Charles AND roger?
Romesburg, H. Charles – American Biology Teacher, 2014
This article explains four kinds of inquiry exercises, different in purpose, for teaching advanced-level high school and college students the hypothetico-deductive (H-D) method. The first uses a picture of a river system to convey the H-D method's logic. The second has teams of students use the H-D method: their teacher poses a hypothesis…
Descriptors: Logical Thinking, Abstract Reasoning, Inquiry, Hypothesis Testing
The Problem of Sample Contamination in a Fluvial Geochemistry Research Experience for Undergraduates.
Andersen, Charles B. – Journal of Geoscience Education, 2001
Introduces the analysis of a river as an excellent way to teach geochemical techniques because of the relative ease of sample collection and speed of sample analysis. Focuses on the potential sources of sample contamination during sampling, filtering, and bottle cleaning processes, and reviews methods to reduce and detect contamination. Includes…
Descriptors: Chemical Analysis, Chemistry, Data Collection, Earth Science