limestone features

How are grykes formed?

• onion skin weathering

• freeze thaw weathering

• chemical weathering

• biological weathering

Grykes is the name given to the blocks in between the gaps

• True

• False

Permeable rock means....

• It is easily eroded

• Water can travel through it

• Its is sedimentary rock

• Water cannot travel through it

Stalactites are found on the _______ of limestone caves

• ground

• walls

• ceiling

• surface

When stalactites and stalagmites meet each other, it creates a....

• limestone cavern

• limestone pavement

• limestone sinkhole

• limestone pillar

Limestone landscapes have underground features because...

• They allow water to move through the rock

• They don't allow water to move through the rock

• The rock already has lots of holes in it

• The rock is eroded by onion skin weathering

Limestone is NOT usually formed under water.

• True

• False

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

• stalagmite

• sink hole

• stalactite

• pillar

Limestone is composed mainly of a mineral called calcium carbonate.

• True

• False

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

• stalagmite

• sink hole

• stalactite

• pillar