This classroom demonstration illustrates the effect of stream velocity on the sediments in the water column. Water is poured at varied rates into two containers, which simulate a stream environment. Students observe and discuss the positive and negative effects on stream habitat.

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1. The force of water can cause significant change in the features of a watershed.

2. Human actions can directly influence how water affects changes in a watershed.

3. Stream velocity is determined by different factors. These factors include rainfall, topography, vegetation, and soil structure and permeable/impermeable surface ratios.