Tag Archives: Lakes
What is a dune?
A dune is a hill or mound of sand drifted by the wind. A dune is a hill of sand. Dunes are round along sandy shores of lakes and oceans and in sandy deserts. They are built by the wind. At the wind blows, it piles the sand into hills that often look like ocean …
What causes waves?
Water waves are caused mainly by the wind. On a windy or stormy day there are many waves in the water, and on a calm day there are fewer waves. This explains what makes most waves in the water. Winds push up waves on seas, lakes and ponds. The waves you see on a calm …
What is Artesian well?
An artesian well needs no pump. It spurts out of the ground like fountain. There is more water in the world than in our oceans, lakes and streams. A good deal of water can be found beneath the ground. Springs are formed when water from rain and melted snow seeps deep into the ground. The underground water can fill …