The stream water in the jar can be classified as a suspension. This is because it initially exhibited characteristics of a mixture, specifically having small particles dispersed throughout the water, resulting in the light brown and cloudy appearance. The separation into two layers after sitting for a few hours indicates that the solid particles settled out of the water, which is characteristic of a suspension. The clarifying of the water after the particles settled further supports this classification, as suspensions can separate upon standing. Additionally, since the particles are not dissolved in the water, this confirms that it is not a solution but rather a suspension.
A student wants to test the safety of different water sources in their city. They go to a stream near their house and collect some water in a jar. The student observes that the water is light brown, and it is cloudy. After a few hours, the student observes that the water has separated into two layers. There is a layer of small particles at the bottom of the jar. Then there is a layer of water at the top of the jar. The water is now clear. How would you classify the stream water in the jar and why?(1 point)
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