Froggy Jumps Tornado Trivia ChallengeOnline version Test your knowledge about tornadoes with this fun quiz game! by Danny Ballan 1 What scale is used to measure tornado intensity? a Saffir-Simpson Scale b Richter Scale c Enhanced Fujita Scale 2 What is the primary ingredient for tornado formation? a Warm, moist air b High pressure systems c Cold, dry air 3 Which region in the U.S. is known as 'Tornado Alley'? a Central United States b Northeast c Southeast Coast 4 What is a tornado's funnel typically made of? a Solid debris b Condensed water vapor c Ice crystals 5 What time of year are tornadoes most common in the U.S.? a Fall b Winter c Spring 6 What is the average speed of a tornado? a 30-40 mph b 10-20 mph c 50-60 mph 7 What is a waterspout? a A rainstorm b A tornado over water c A type of hurricane 8 What is the typical lifespan of a tornado? a A few minutes to an hour b Several days c Less than a minute 9 What kind of clouds often precede tornadoes? a Supercell clouds b Stratus clouds c Cumulus clouds 10 What should you do if a tornado warning is issued? a Go outside to watch b Stay in bed c Seek shelter immediately