Show:
Clouds
Causes
Safety
Lightning
Random Facts
100
These are feathery clouds.
cirrus clouds
100
You can tell a thunderstorm might be approaching when you see this type of cloud.
cumulonimbus clouds
100
This is something you should not go under if it is lightning outside because it could be struck.
tree
100
What is lightning?
a giant electric spark
100
Where and when do thunderstorms occur most often?
in North America during spring and summer
200
These clouds are found during fair weather.
cirrus and cumulus clouds
200
What is a giant electric spark?
lightning
200
You should not be holding anything made out of this material when it is lightning.
metal
200
True or False: Lightning occurs in all thunderstorms.
True
200
True or False: The rubber soles of shoes or rubber tires on a car will protect you from being struck by lightning.
False
300
These clouds look like cotton balls.
cumulus clouds
300
What is the power source that creates lightning?
electricity
300
If you hear this, you should take shelter.
thunder
300
True or False: The air near a lightning strike is heated to hotter than the surface of the sun.
True
300
True or False: If it is not raining then there is no danger from lightning.
False
400
These clouds signal that rain or snow might be coming.
stratus clouds
400
What is the name of the explosion that is created when the air around the electricity gets very hot and expands quickly?
thunder
400
You should pay attention to this to find out what is going on outside.
the radio or television
400
How can you determine how far away a thunderstorm is?
count the number of seconds between lightning and thunder and divide by 5
400
Which state has the highest daily average of thunderstorms?
Florida
500
These clouds puffy, gray, and signal a thunderstorm.
cumulonimbus
500
During which seasons are thunderstorms more likely to appear?
spring and summer
500
During the summer you need to get out of the ? if you hear thunder.
pool or ocean
500
About how many times does lightning strike the Earth in a year?
20,000,000
500
About how many thunderstorms are estimated to occur daily around the planet?
1800