Karst Topography & Indiana Geography

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

Tags

NGSS.MS-ESS2-2

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

Tags

NGSS.MS-ESS2-4

What is produced when rainwater mixes with carbon dioxide gas in the atmosphere?

• calcium carbonate

• a weak acid

• steam

• lightning

Tags

NGSS.MS-PS1-5

Indiana was shaped by karst geography and ________.

• earthquakes

• glaciers

• volcanoes

• tectonic plates

Tags

NGSS.MS-ESS2-2

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

Tags

NGSS.MS-ESS2-4