caused      falling      meets      melt      occurs      some      travels      where   
Lightning is a streak of electricity that in every thunderstorm. You see lightning before you hear thunder because light faster than sound. Lightning is when the negative charge of electricity in the rain clouds the positive charge of electricity in the raindrops. Most lightning occurs from cloud-to-cloud, but lightning occurs from cloud-to-ground, it can start fires, metal, or be deadly to people.