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Light Intensity Lab
| Content Provider | TeachEngineering: STEM curriculum for K-12 |
|---|---|
| Author | Paschal, Cynthia Klein, Stacy Brophy, Sean Garay, Chris McKelvey, Hunt Schleicher, Stephen Shevin, Rachael Zambon, Rebecca Shaffer, Kristyn Johnston, Megan |
| Copyright Year | 2013 |
| Description | Students complete this Beer's law activity in class by examining the attenuation of various thicknesses of transparencies. From this activity, they come to understand that different substances absorb light differently. Students complete this Beer's law activity in class by examining the attenuation of various thicknesses of transparencies. From this activity, they come to understand that different substances absorb light differently. This concept is transferred to x-rays to explain that different substances absorb x-rays differently, hence the need for dual-energy analysis. In looking at Beer's law, students use the properties associated with natural logarithms. To conclude the activity, students complete a series of questions and calculations. |
| Language | English |
| Access Restriction | Open |
| Rights Holder | Vanderbilt University Regents of The University of Colorado |
| Subject Keyword | Algebra Intensity Attenuation Beer's Law Light Intensity X-ray Light Light Absorption Linear Regression |
| Content Type | Text |
| Time Required | PT45M |
| Education Level | Class IX Class X Class XI Class XII |
| Pedagogy | Experimental Activity |
| Resource Type | Hands-on |
| Subject | Modern Physics |
