this happens when the ground shakes
earthquake
this occurs when there is too much water
flood
there are more than ________ active volcanoes in the world
a) 20
b) 540
c) 1400
c, 1400
this type of pollution (verschmutzung) is common in big cities
air pollution
a. 11%
b. 21%
c. 31%
this is red, hot liquid that comes out of a volcano
lava
this is a huge sea wave often caused by an earthquake
tsunami
Richter Scale
this four letter word is a combination of the word "smoke" and "fog" and describes air pollution
smog
how can animals become endangered? give two examples
changes in environment, hunting/overfishing, pollution, disease, habitat loss
these are moving rocks covering earth. their movement leads to earthquakes, tsunamis, and other natural disasters
tectonic plates
In California, there are many __________. These are unplanned and uncontrolled fires in areas with many plants.
wildfires
the most widespread natural disaster is
flooding
solar, wind, water, etc.
Pompeii
this happens when dirt, rocks, or other debris falls down a mountain or hill
landslide/mudslide
this is a rapidly rotating column of air, usually attached to a thunderstorm
tornado
another word for tornado is a ....
twister
this word is used to describe animals that no longer exist on this planet
extinct
Tornado Alley
this is a long period of dry weather with no rain
drought
this occurs when a mass of snow falls quickly down a mountainside
avalanche
An area in the central United States is called _________ because there are frequent tornadoes there.
most plastic waste ends up in...
oceans
each year 3.4 million people die because of contamination (verschmutzung) of which important resource?
water