Storyclover
Storyclover
On a sunny afternoon, Maya lowered a striped straw into a glass of water at the kitchen table. She stopped and blinked.
Why Does a Straw Look Broken in a Glass of Water?The straw looks bent because light changes direction when it moves between air and water.
1. On a sunny afternoon, Maya lowered a striped straw into a glass of water at the kitchen table. She stopped and blinked.
2. Above the water, the straw looked straight. Below the water, it seemed to bend sideways.
3. Maya lifted the straw out. It was straight again. She dipped it back in, and the bend returned.
4. She tried a blue pencil and a wooden spoon. Each one looked bent where it crossed the water.
5. Maya set the straw beside the glass. It was straight from end to end. “So the straw is not bent,” she said.
6. Maya watched the sunlight from the straw reach her eyes through the water. The glass had not changed the straw. It had changed the path of the light.
7. Light travels through air one way. When it enters water, it changes direction. Her eyes receive the light from a shifted place, so the underwater part looks somewhere else.
8. Maya drew a straight straw in her notebook and smiled. The straw looks bent because light changes direction when it moves between air and water.
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