Weather is formed by different currents of hot and cold air masses and moisture patterns .Hot air rises and cold air descends .As this happens it can create rotations in the atmosphere and move areas of moisture which creates weather. The sun moves across the sky but not because it is moving but because the earth is spinning and allows us only to see the sun for about 15 hours a day. The pressure of fluids inside you matches the pressure of the atmosphere. The weather is made by the sun heating up the air which surrounds the earth. Lightning is a burst of energy in form of a lightning strike. Lightning is formed when electrical charges in the air build up. A hurricane is a ring shaped storm that is the most dangerous type of storm on earth Tornados are violent rotating columns of air extending from a thunderstorm A tsunami is a enormous amount of water which floods in to one place. www.weather wiz kids.co.nz www.answers .com www. Google images .co.nz