Show:
Montana's Regions
Land/Time Periods
Changes of the Land
Miscellaneous
'Ologies"
100
This is the region of Montana where you live.
Eastern
100
This is the era of dinosaurs, volcanoes and plate tetonics.
The Mesozoic Period.
100
This a slow process of change to the land caused by forces of ice, water and wind.
Erosion
100
Found in the Precambrian period, the fossils of this era had no spine
What are invertebrates?
100
The study of the earth's physical structures and the process of what changed them.
What is geology
200
Is the Statement True of False? Montana's Eastern region contains the headwaters of the Yellowstone and Missouri Rivers
False
200
Why did hunters need new technology in the Middle period?
The smaller animals of this period were much faster and more difficult to hunt.
200
A par of the Rocky Mountains full of active earthquake faults. Lake Hebgen was formed along this area.
Intermountain Seismic Belt
200
Erosion can be harmful to MT soil because
It washes away nutritives
200
A person who studies volcanoes
What is an volcanologist?
300
Why does the Western region of Montana have the greatest precipitation in the state? It is also occurs on the inland side of the mountain.
Rain-shadow effect
300
The most recent era encompassing the ice age.
Cenozoic
300
This violent eruption about 650,000 years ago caused the deep crater formation in Yellowstone
Caldera
300
Native grasses on the northern plains thrived when dry grass seeds of the prairie were spread about by
buffalo hooves
300
They study fossils
Who are paleontologists?
400
This region is home to almost all of the grizzly bears in Montana
Western
400
Animals were much faster during this period requiring new technology in tools
Middle Period or Mesozoic
400
Snow and ice that collects faster than it can melt
Glacier
400
Open land and abundant spaces in MT pose problems because
Transportation is very expensive
400
Paleontologists found this state dinosaur near Choteau, MT.
What is maiasaurus
500
Why is water particularly important in the eastern region?
The eastern region has the least amount of rainfall and often experiences drought
500
How has erosion harmed Montana's Landscape
Erosion has taken many nutrients downstream and out of the state.
500
Warm, dry winds happen here
Chinook corridor
500
This divides western and eastern flowing rivers.
The continental divide
500
They study landscapes and what formed them: earthquakes, glacial action, volcanoes or other forces.
What is geologists?