WorksheetsKarst Topography & Indiana Geography
Total questions: 17
Worksheet time: 10mins
Limestone is composed mainly of which mineral?
granite
iron
calcium carbonate
sodium chloride
Limestone rock cannot be penetrated.
True
False
Which of these contribute acids which erode limestone?
coal smoke pollution
CO2 in the air
soil microbes
all of these
This feature is formed when the roof of an underground cavern collapses.
underground stream
ridge
kettle lake
sink hole
Sometimes a large underground hollow or passage called a _________ is formed as water wears away limestone.
underground river
cave
cockpit
karst landscape
What is a Karst Landscape?
A distinctive landscape made of bare limestone and formed by coastal erosion
A distinctive landscape made of bare granite and formed by mechanical weathering
A distinctive landscape made of bare sandstone and formed by chemical weathering
A distinctive landscape made of limestone and formed by chemical weathering
What is produced when rainwater mixes with carbon dioxide gas in the atmosphere?
calcium carbonate
a weak acid
steam
lightning
Indiana was shaped by karst geography and ________.
earthquakes
glaciers
volcanoes
tectonic plates
When did glaciers move over Indiana and the rest of the U.S.
End of the last Ice Age thousands of years ago
They never reached us.
20 million years ago
Around 1500 AD
What is a glacier?
an iceberg
a mass of dissolving limestone
a mass of moving ice
an underground lake
Which of these are true about erosion?
microbes decompose organic material
rock and soil are worn down
sunlight causes much erosion
rock and soil are moved
The water found in the cracks in soil and rocks is called (a) .
What do they call the little surface lakes (often round) left by melting glacier pieces?
(a)
What is the type of geography found in southern Indiana with sinkholes and underground streams?
glacial
Great Flood
karst
prairie
What happens to the water carried by underground streams in karst geography?
It flows to Earth's mantle and evaporates
It emerges as a spring downstream
It flows to the Great Lakes
It all stays underground
Why is it more important not to pollute around a karst geography?
pollutants wash into water supplies quickly
pollutants combine with limestone
we don't want to make the sinkholes even bigger
The sandy soil is too porous (with many holes)
What likely produced this large lake surrounded by ridges?
dissolved limestone
rain
wind
glacier action
