Most Tsunamis are caused by what?
Earthquakes
How many miles per hour does the wind have to blow to be a hurricane?
74 mph
Strong, spinning columns of air are called what?
Tornadoes
What are the three elements needed to start a fire?
fuel, oxygen, and a heat source
How do heat waves form?
They form when warm, high pressure systems stop moving and stick around a certain region.
What is it called when there is too little surface or ground water?
Drought
What 3 things make a blizzard?
Winds more than 35 miles per hour, visibility less than 1/4 of a mile, lasts at least 3 hours
Tsunamis have been recorded at speeds up to what?
500 miles per hour
Which way do hurricanes rotate in the Southern Hemisphere?
Clockwise
How do tornadoes form?
They form when warm, moist air and cool, dry air meet.
Fuel, oxygen, and a heat source together compose what?
The Fire Triangle
Cities that lack forests and cooling pools of water making them vulnerable to heat waves are called what?
What is the urban heat island?
According to the article, drought can affect what?
Agriculture crops
Old snow on the ground is called what?
Tsunamis usually occur in which ocean?
Pacific
The center of the hurricane is called what?
The eye
The place where most strong tornadoes form is called what?
Tornado Alley
The only way to stop a fire is what?
Removing one or more factors from the Fire Triangle
When energy from the sun gets trapped in the atmosphere, it is called what?
Greenhouse effect
An overabundance of rain is called what?
Flooding
True or False
Snow must be falling in order to call it a blizzard.
False
Where is the Pacific Tsunami Warning System located?
Hawaii
When a hurricane warning is issued, a hurricane is definitely on the way and will make landfall within how many hours?
24
Most tornadoes have wind speeds of less than how many miles per hour?
110 miles per hour
Your clothing catches fire. What should you do?
Stop, drop, and roll
Heat wave safety tips include staying indoors, dressing appropriately, cooling down, and what else?
Staying hydrated
Flooding can cause plants to what?
Wilt
The wind is 40 mph, you can see 1/2 mile away, and the storm lasts 3 hours. Is it a blizzard?
No. You can see no more than 1/4 mile in a blizzard.
Landslides, volcanic eruptions, earthquakes and what else can also cause tsunamis?
Glaciers breaking off
How many categories of hurricanes are there?
5
What kind of land is perfect for tornadoes to form and travel?
Flat land
4 out of 5 wildfires are started due to what?
Human error
How high did the temperature go during the 2006 North American heat wave?
117 degrees
Once place that flooding is a good event is where?
Egypt
It hasn't snowed in days, but the wind is blowing at 35 mph. The blowing ground snow stops me from seeing more than 1/4 of a mile away. It's been like this for the last hour. Is it a blizzard?
No. The blizzard conditions have to last for at least 3 hours.