What are the Characteristics of Wind Wind has two important characteristics—direction and speed. The direction of wind can be gauged using an instrument called the wind vane. It is also called a weather vane. Every wind vane has two parts, the front and the rear. A very common shape for a wind vane is the shape of an arrow. The tip of the arrow is the ‘front’, and the tail of … [Read more...] about What are the Characteristics of Wind
Biology
How Many Layers Are In The Rainforest
The Layers Of A Typical Rainforest Forests are home to a variety of plants and animals. Several trees, shrubs, mosses, and mushrooms, birds and mammals, spiders, frogs, and snakes grow and live in forests. Human beings, too, depend on forests for a variety of things. Felling of trees and clearing of forests may have undesirable effects on all life forms on Earth.About … [Read more...] about How Many Layers Are In The Rainforest
What Is Water Conservation
Conservation Of Water India is still not in the ‘water stressed’ category but the day is not far when we will be facing a water crisis. We need to think of various ways to strictly avoid wastage. Since only a small percentage of water on our planet is usable, it is very important that we use water carefully. Conservation of water can be done by building dams, avoiding wastage … [Read more...] about What Is Water Conservation
How Do Birds Fly
How Do Birds Fly Most birds are capable of flying. Birds can also walk, run, or hop on the ground. Some birds like swan and duck can even swim in water.The following features help birds to fly.Birds have streamlined bodies, which make it easier for them to move through air. Their bones are hollow, which make them lightweight. They have wings, which help … [Read more...] about How Do Birds Fly
Movement Of Fish In Water
Movement of Fish in Water Fish are vertebrates. All vertebrates have an internal skeleton made up of bones; a tough, elastic substance called cartilage; or both.Most fish have a streamlined body - the head and the tail are narrow; the middle portion of the body is broader. This kind of shape offers least resistance to the flow of water and makes it easier for them to swim … [Read more...] about Movement Of Fish In Water