when it rains alot
timber = wood dam = structure built to block/slow the flow of water so... timber dam is a wooden structure created to block or slow the flow of water.
a dam is made by a beaver which they make to stop the flow of water
Build a dam.
control water flow
Structure that controls the flow of water.
It's called a dam. Usually made from wood or concrete. It's like a large wall that can hold back and control the flow of water.
A dam or weir
Dam
A dam is typically built to contain the flow of water. Dams are structures built across rivers or waterways to control and regulate the water flow, store water for various purposes, and generate hydroelectric power.
The Aswan Dam
No. A dam is a man-made structure that collects water by reducing the natural flow of a river or stream. Water, however, which the dam holds back, is a natural resource.
Yes. The dam holds back water that would normally flow down the river, leading to water accumulating behind the dam: an artificial lake.