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Found 13 resources at the 9-12 grade level for the concept: Scientists test their ideas using multiple lines of evidence. (P6, NOS2)

imageCrime scene: The case of the missing computer chip
In this classroom activity, teams of students use clues to adjust working hypotheses about an unsolved crime. The nature and process of science are recognized through discussion of the crime solution metaphor.

Audience: 9-12

Source: ENSI

Resource type: classroom activity

imageThe checks lab
Students construct plausible scenarios to explain a series of canceled bank checks. They revise their original hypotheses with new evidence and learn how human values and biases influence observation and interpretation.

Audience: 9-12

Source: ENSI

Resource type: classroom activity

imageNewton's 2nd law: Inquiry approach
Students act as colleagues of Isaac Newton. Students focus on how to design a procedure to test Newton's hypothesis and then communicate that idea to others. The emphasis is on the process rather than the actual results.

Audience: 9-12

Source: Tung, Cecilia

Resource type: lab activity

imageDesigning your very own science experiment
Students design and carry out an experiment using pill bugs (isopods). Other organisms could be used in place of the pill bugs. Students reflect on the process used by charting their pathway on the Science Flowchart.

Audience: 9-12

Source: Stefanski, Mark

Resource type: lab 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: 9-12

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: 9-12

Source: Iowa State University

Resource type: article

imageIntroducing 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: 9-12

Source: UCMP

Resource type: classroom activity

imageInvestigating a Deep Sea Mystery
In this lab activity, students examine authentic morphological and phylogenetic data of three fish families and then pose and test alternative hypotheses about the fishes' classification.

Audience: 9-12

Source: ETOL

Resource type: lab activity

imageAnolis Lizards
Students "travel" to the Greater Antilles to figure out how the Anolis lizards might have evolved there. Students make observations, ask questions, share data, form hypotheses, generate expectations, get more data, interpret them, and test their ideas.

Audience: 9-12

Source: Collins, Jennifer

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: 9-12

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: 9-12

Source: Nathan Lents

Resource type: lab activity

imageInvestigating a Crime Scene
Two suspicious dogs and a shredded book provide a perfect combination for focusing on the process of science and to do so with a bit of a chuckle. This powerpoint has been developed so that you can ask for student responses throughout.

Audience: 9-12

Source: UCMP

Resource type: powerpoint slides

imageAge dating star clusters
Students explore how classification and graphing are used by astronomers to determine the age of star clusters. They will measure the color and brightness of stars, as proxies for temperature and luminosity

Audience: 9-12

Source: Whitfield, Lisé

Resource type: lab activity

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