Thursday, April 2, 2020

Waves: Case Studies Concept Builder



The Waves - Case Studies Concept Builder focuses on an understanding of how a wave pattern is affected by changes in the properties of a wave (such as frequency and speed) and by the properties of a medium (such as tension and linear density of a string). There are 36 total questions organized into 12 different Question Groups and spread across three different activities. In Activity 1 - Wavelength and Amplitude - learners are presented with a wave pattern and asked to identify a wave pattern that has two times or one-half the wavelength or amplitude. In Activity 2 - Frequency, Speed, and Wavelength - learners are presented with one wave pattern and asked to identify a second wave pattern resulting from two times or one-half the speed or frequency. In Activity 3 - Speed, Tension, and Density - learners are presented with one wave pattern and asked to identify a second wave pattern that results from four times or one-fourth the tension or density. The built-in score-keeping makes this Concept Builder a perfect candidate for a classroom activity.



Wednesday, April 1, 2020

Inside the Human Eye Infographic



This infographic discusses the anatomy of the human eye and its role in the vision process. If you like infographics as much as we do, you will enjoy its organization, its clear graphics, and its understandable language. View the infographic at 







Tuesday, March 31, 2020

Decibel Scale Concept Builder



The Decibel Scale Concept Builder sharpens a learner's understanding of the logarithmic nature of the deciBel scale. Learners are told the deciBel level os Sound Source A and are told that Sound Source B is 10n time more or less intense. The learner must use this information and an understanding of deciBels in order to determine the deciBel level of Source Source B. There are 36 total questions organized into 12 different Questoin Groups and spread across three difficulty levels. The built-in score-keeping makes this Concept Builder a perfect candidate for a classroom activity.



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