The United States of America accepted Hawaii as the 50th state to enter the union. Below, you will find the official state symbols and interesting facts about Hawaii.
Thunderstorm Formation. Most thunderstorms form by a cycle that has three stages: the cumulus stage, mature stage, and dissipating stage. Cumulus Stage. The sun heats the Earth's surface during the day. The heat on the surface and warms the air around it.
Every thunderstorm produces lightning, which kills more people than tornadoes each year. Thunderstorms also cause heavy rain, flash flooding, hail, strong winds and tornadoes. When warm and cold air masses meet, a thunderstorm can grow. In this activity, you will learn about convection and how air moves.