How did the lab activities help you answer the lesson question: What factors affect the power of a river to cause erosion? What conclusions can you make from your observations?

Answer:

The lab activities allowed me to see how different variables change the rate of erosion. By increasing the slope of the model river, I observed that the water velocity increased, which led to more sediment being moved and deeper channels being formed. Similarly, increasing the water volume increased the river's energy and its ability to transport larger materials. From these observations, I can conclude that factors such as the gradient (slope) of the land, the volume of water, and the velocity of the flow directly affect a river's power to cause erosion.