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No. A Bendy Straw is simply light being refracted as it passes from the air into the water. There is no form of change occurring, just simply the bending of light. Because light travels the fastest in a vacuum (about 300,000,000 ms^-1), but significantly slower in water ( 225,056,264 ms^-1), the light slows radically as it enters the water. To disperse this energy, the light bends to wards the normal, which is perpendicular to the horizontal waters surface. It is this slowing of the light that you see as a Bendy Straw.

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โˆ™ 2012-03-11 03:50:01
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Q: Is a Bendy Straw a form of Physical Change?
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