10 questions
What two states is Tahoe located in?
Oregon
Nevada
Washington
California
Watersheds include
only streams and lakes
only groundwater and precipitation
all of the water that is drained in an area including lakes, streams, groundwater, and more
only ocean water
The water in Lake Tahoe eventually flows into the ocean
True
False
What is a glacier?
a light brief snowstorm with gusts of wind
a slowly moving river of ice that can carve landscapes
snow falling rapidly down a mountainside
a hanging piece of ice formed by the freezing of dripping water
Which of the following did NOT contribute to the formation of Lake Tahoe?
Glaciers
Meteors
The rise of the Sierra Nevada mountains
Tsunami
Why is Tahoe so blue?
a lot of precipitation falls directly into the lake
granite soil does not diminish water quality
snow and rain from the mountains filters through meadows and marshes before making it to the lake
Mysis Shrimp and other invasive species help to keep it clean
Why are wetlands important for keeping Tahoe blue?
they make it harder for invasive species to survive
they give local people a good place to store their garbage
they provide habitat for native species
they slow down moving water and allow sediment to settle before it flows directly into Lake Tahoe
How big is Lake Tahoe?
21 miles long and 12 miles wide
3 miles long and 1 and a half miles wide
100 miles long and 145 miles wide
It has not been measured
Everyone lives a watershed
True
False
Which human activities have a negative affect on lake clarity?
construction, paved surfaces, gasoline additives, and other chemicals from urban expansion
motor boating
human powered boating like kayaking, canoeing, and paddle boarding
introduction of invasive species