Oceans Unit 4 Flashcards
sometimes floods can develop within a few minutes and without any signs of rain. We call these:
flash flooding
when there are not very many trees or plants to catch the water, excess water will increase. This is the lack of:
vegetation
a __________ is a landform following the path of a river or stream.
channel
True or false. Floods leave damage to vegetation, organisms and animals. They have no positive impact on Earth.
false
river engineering is
widening or deepening a river to carry more water
_______ are used to prevent flooding.
dams
True or False. If flooding occurs, you should go to higher ground just like a tsunami
true
flooding is usually caused by?
heavy rainfall
floods can be…
local, small scale, and large scale
which city might experience more flooding than the others?
New Orleans
socioeconomic drought is when humans have abused?
the supply and demand of clean water
purchasing water and energy saving faucets are examples of?
Prevention of Droughts
which of the following is NOT an example of a drought?
New Orleans
which of the following is NOT an impact of droughts?
lakes can start to over produce
forests and vegetation disappear which make…
it difficult for water to be absorbed
what are the following things droughts and floods have in common?
can cause death and disease
which of the following is NOT a type of drought?
astronomical
________ occurs when low water supply becomes evident in lakes, streams, and rivers.
hydrological
drought can be defined by:
low rainfall
hurricane form at the __________ latitude.
15-20 S and N
hurricanes form over what type of water?
warm
the spiral in hurricanes is created from:
Coriolis effect
The hurricane on the right is found in which hemisphere?
Southern
hurricanes are pushed by the wind. The _______ winds blow them across the ocean.
Trade winds
rank the following in correct order:
- warm water provides energy
- humid air rising makes clouds of the storm
- winds coming together force air upward
- light winds outside the hurricane steer it and let it grow
the eye of a hurricane is very:
calm
a hurricane moving at 99 miles per hour is considered a:
category 2
hurricane notes: In the Northern Hemisphere, hurricanes form in the ______ direction.
counter clockwise
the top of a tsunami wave is called:
crest
how long does it take for a tsunami to travel across an entire ocean?
hours
what is a tsunamis natural warning sign?
earthquakes
the most common place to find tsunamis would be:
ring of fire
tsunamis can only happen in the _______.
oceans, lakes, and rivers
which of the following causes tsunamis the most?
earthquakes
compare and contrast droughts and floods to one another.
droughts are due to a lack of rainfall creating a dry climate. Floods happen because of heavy rainfall creating regular or flash floods. They both negatively impact farmers and crops and they both cause death and disease.
