Analyzing evolutionary relationships requires that students have a thorough understanding of evidence and of how scientists use evidence to develop these relationships. In this lesson sequence, students work in groups to process many different lines of evidence of evolutionary relationships between ungulates, then construct a scientific argument…

Describes the nature and procedure of individualized inquiry and provides an illustration of its use in one social studies classroom. Steps include problem definition, hypothesis formation, information gathering, data analysis, hypothesis testing, and drawing conclusions. Recommends that teachers select responsible, intellectually capable, and…

Presents a fun, inexpensive, and pedagogically useful laboratory exercise that involves indoor studies of the dispersal properties of the winged fruits (samaras) of boxelder trees. Engages students in the process of hypothesis testing, experimental design, and data analysis as well as introducing students to important concepts related to…

Explains the design and implementation of a student research project called Project SunSHINE. Explores the relationships between ultraviolet light and humidity, temperature, cloud type, and cloud cover. (SOE)

Describes an instructional strategy to help students understand behavior variations and the factors related to that variation. Maintains that the technique helps students understand the difference between a statement of association and a hypothesis. Includes a recommended diagram to help implement the strategy. (CFR)

A single-semester elective combines Mendelian and molecular genetics in a problem-solving format. Students encounter a genetic disease scenario, construct a family pedigree, and try to confirm their medical diagnoses through laboratory experiences. Encouraged to generate ideas as they test their hypotheses, students realize the importance of data…