This material is appropriate for an introductory course such as Physical Geology, Earth Science or Environmental Geology

This quiz assesses student basic knowledge that is learned by watching the video. Students are expected to have only limited prior knowledge of geology.

Students respond to quiz questions after viewing the related video and before attending class.

This quiz includes questions associated with two learning objectives: 1) Students will be able to explain what happens during radioactive decay; 2) Students will be able to define the terms: parent isotope, daughter isotope and half-life; 3) Students will be able to use the relative proportions of parent and daughter isotopes to determine how many half-lives have occurred.

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After watching the associated video, students complete the quiz to ensure that they have a working knowledge of some basic content related to numerical time. This provides the instructor with more time in the subsequent class to incorporate active learning exercises that may include the application of higher order thinking skills.

• Numerical Time_Quiz -- private instructor-only file
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  Numerical Time_Quiz

  
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  (answers included at the bottom)
• Numerical Time (Candy & Radioactive decay) video

We include the video and quiz as a pre-class exercise offered in our course management system.

Compare student responses to answer key (included - see bottom of PDF).