1. Water flows downhill due to gravity, so it naturally follows the path of least resistance, which is often along valleys or low-lying areas formed by erosion over time.
2. The most significant impact is that water can erode soil and rock, gradually carving out channels, gullies, and eventually rivers, reshaping the land surface over long periods.
3. A dam would be most effective in a narrow valley or gorge where the river is confined, as this allows for a smaller structure to hold back a large volume of water with greater structural efficiency.
4. It’s best to build on higher ground away from floodplains or active river channels to avoid damage from flooding, erosion, or sudden changes in water flow during heavy rains or snowmelt.
5. The meaning of “water carves the land” is that flowing water slowly but persistently wears away at the earth’s surface, creating new landforms like valleys, canyons, and deltas through erosion and sediment transport.
Parent Tip: Review the logic above to help your child master the concept of reading comprehension worksheet 4th.