An Enlightning WeekThe classic Concentration memory game. The cards begin face down. Click one to turn it over. Try to find the second card that matches the first. If the second does not match, click a third card to look for a new match. Your previous selections return to a face down position. If they do match, the cards are removed to reveal part of the background rebus. Try to determine the rebus message in as few number of turns as possible.
Focus on Safety
During the past 30 years, lightning killed an average of 73 people per year in the United States. This is more than deaths caused by tornadoes and hurricanes. However, it receives much less attention than the more destructive weather-related killers.
Ice in a cloud appears to be a key element in the development of lightning. Storms that fail to produce quantities of ice may also fail to produce lightning. Positively charged ice crystals rise to the top of the thunderstorm, and negatively charged ice particles and hailstones drop to the middle and lower parts of the storm producing enormous charge differences. Visit Visit JetStream - An Online Weather School for more info.