Interactive simulations for science teaching
400 downloadable interactive simulations
Sundial
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- Summary
The Earth moves around the sun but, in our terrestrial frame of reference, the sun seems to move around the Earth. This periodic motion is the basic principle underlying the sundial. The shadow cast by the “gnomon” indicates the hour of the day.
- Learning objectives
- To illustrate a famous application dealing with the straight-line path of light.
- How to use the animation
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