Weathering and Limestone Features

What is the chemical formula of calcium carbonate

• Ca₂CO₃
• Ca(CO)₃
• CaCO₃
• CaCO

General name of chemical that is mainly a building material and is quarried

• Limestone
• calcium oxide
• calcium hydroxide
• limewater

Cement and sand together with water makes.

• mortar
• cement
• concrete

Limestone is NOT usually formed under water.

• True

• False

Limestone is an impermeable rock.

• True

• False

Limestone can be slowly dissolved by rainwater or groundwater.

• True

• False

This feature is formed when calcium carbonate is deposited on the ceiling of a cave.

• stalagmite

• sink hole

• stalactite

• pillar

This feature is formed when the roof of an underground cavern collapses.

• stalagmite

• sink hole

• stalactite

• pillar

This feature is formed when calcium carbonate is deposited on the floor of a cave.

• stalagmite

• sink hole

• stalactite

• pillar

When a stalactite and a stalagmite meet they form a new feature known as a:

• cave

• stalactomite

• cockpit

• pillar