| See how changing from air to water to glass changes the bending angle | If you are experiencing issues using an HTML5 sim on a supported platform, please disable any browser extensions |
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| Explain how light bends at the interface between two media and what determines the angle | Embed an image that will launch the simulation when clicked Click to Run Use this HTML code to display a screenshot with the words "Click to Run" |
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| Chromebook: Latest version of Google Chrome The HTML5 and Flash PhET sims are supported on all Chromebooks | Describe how the speed and wavelength of light changes in different media |
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| You can change the width and height of the embedded simulation by changing the "width" and "height" attributes in the HTML | Describe the effect of changing wavelength on the angle of refraction |