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Answer Key
- Lightning strikes Earth about 100 times per second on average, or
8.6 million times a day.
- To be classified as a hurricane, a storm must have maximum sustained
winds of at least 74 miles per hour.
- The United States has the most tornadoes.
- Most people die in their cars during floods as they try to drive through
floodwaters. Eight out of ten, or 80 percent, of flood deaths occur
in vehicles.
- Freezing rain is rain droplets that freeze on contact with the ground.
Sleet is snowflakes that melt into raindrops as they pass through a
layer of warm air, then refreeze when they pass through a layer of below-freezing
air near the ground.
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