Hurricanes & Blizzards
Hurricanes form over what?
Oceans
______________ is inside the volcano or under the Earth's surface. Once it exits the volcano, it's called ____________.
Magma
Lava
What is a drought?
A period of time where there is not enough precipitation to meet the water needs of a certain area.
True or False: Earthquakes are unpredictable
True
The name of the most recent supercontinent.
Pangaea
What are the 3 types of rocks?
Metamorphic
Igneous
Sedimentary
What 2 things are needed for a hurricane to form?
Warm water and wind.
How are tornadoes and hurricanes classified?
By their wind speed.
What US state has the most wildfires?
California
What causes an earthquake?
Plates sticking and then a giant release of energy when they become unstuck.
The measurement from crest to crest or trough to trough
wavelength
Radio
The center of a hurricane is called _____________
the eye
Where are most of the world's volcanoes found?
Ring of Fire (plate boundaries)
How are most wildfires started?
Humans
Where do many of the world's Earthquakes happen?
On the ring of fire
When water changes from a liquid to a gas
Evaporation
When water vapor cools down
Condensation
Tornadoes happen here a lot
Tornado alley (Midwest- Texas, Kansas, Oklahoma, Mississippi, and Alabama)
Are wildfires always bad? Explain.
No, they can kill diseases, insects, and allow for new growth on forest floors to happen.
What can cause a tsunami?
Earthquakes and volcanoes
When you see yourself in the mirror, light is ___________
Is a tsunami considered a Natural hazard or a Natural Disaster?
A Natural Disaster because it is destroying property and sometimes (most of the time) takes lives.
True or False: A hurricane needs winds to be at least 74 miles per hour
True
≥74mph = hurricane
39-73mph = tropical storm
<30mph = tropical depression
What happens when the updrafts and downdrafts become larger and faster?
The tornado starts to spin
What in nature causes wildfires?
Lightning
At what type of plate boundary do earthquakes most often occur on
Transform Boundary
When you see a rainbow, light is _____________
Refraction
Transpiration
What are the 3 conditions needed for a blizzard?
Winds over 35 miles per hour
Low visibility (less than 1/4 mile) due to blowing snow
Both above conditions lasting more than 3 hours.
How was Hawaii formed?
Drought
How fast can tsunamis travel. (100 mph, 300 mph, 500 mph or 700 mph)
500 miles per hour
Around what ocean does the ring of fire cirlce?
Pacific ocean
What do scientist use to detect hurricanes?
Scientist use a Doppler Radar.