Why does the earth have four seasons, while the moon does not? The answer is ----weather. Clouds, winds, rains and s______----these are all s______ of weather. They are a part of the weather picture. Three things make these signs of weather. When you k______ what they are, you will always see them in every kind of weather. Without them you would have no weather. The first thing is the sun. It gives us l_______ and heat, too. The second thing is air. There is air around us. You move around in the air just as a fish moves around in the ocean. The t_______ thing is water-----water in the streams and rivers, water in the lakes, seas and oceans and water in you.