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Found 9 resources at the College grade level for the concept: Scientists often try to generate multiple explanations for what they observe.

imageThe great fossil find
Students are taken on an imaginary fossil hunt and form hypotheses about the identity of the creature they discover. Students revise their hypotheses as new evidence is found.

Audience: College

Source: ENSI

Resource type: classroom activity

imageMystery boxes: Uncertainty and collaboration
Students manipulate sealed "mystery" boxes to determine the inner structure of the boxes. The nature and sources of uncertainty inherent in the process of problem-solving are experienced, but reduced by collaboration.

Audience: College

Source: ENSI

Resource type: classroom activity

imageThe Hobbit: When scientists disagree about the evidence
This classroom activity, adapted from an exercise on PBS's NOVA website, provides an excellent example of an active debate within the scientific community regarding a relatively recent human fossil find, Homo floresiensis.

Audience: College

Source: Visionlearning

Resource type: classroom activity

imageThe story behind the science
Thirty stories spanning five disciplines help students explore key science concepts through the eyes of the scientists who were involved, while emphasizing the nature and process of science.

Audience: College

Source: Iowa State University

Resource type: article

Introducing the Understanding Science flowchart
Students participate in a quick activity and discuss whether they were doing science. They then read a story about Walter Alvarez, discuss the process of science, and trace his scientific journey using the Science Flowchart.

Audience: College

Source: UCMP

Resource type: classroom activity

imageOrnamentation in birds
In this investigation students explore the connection between competition for mates and the evolution of elaborate traits in birds. Using the online database Birds of North America , students develop and test a set of hypotheses to explain the variation in sexual dimorphism among bird species.

Audience: College

Source: Cornell Lab of Ornithology

Resource type: lab activity

imageCells within cells: An extraordinary claim with extraordinary evidence
This Science in Action article on endosymbiosis explores the career of microbiologist, Lynn Margulis and how an unlikely idea overcame strong resistance within the scientific community and finally came to be an accepted part of evolutionary theory.

Audience: College

Source: UCMP

Resource type: article

imageTeaching the Process of Molecular Phylogeny and Systematics: A Multi-Part Inquiry-Based Exercise
Students explore molecular data from Homo sapiens and four related primates and develop multiple hypotheses regarding the ancestry of these five species by analyzing DNA sequences, protein sequences, and chromosomal maps.

Audience: College

Source: Nathan Lents

Resource type: lab activity

imageAmazon fly
This short activity quickly engages the participants in the process of developing testable hypotheses. Students come up with multiple hypotheses to explain a set of observations and figure out how to test these hypotheses.

Audience: College

Source: UCMP

Resource type: classroom activity

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