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Science: Middle School: Grades 6, 7 and 8 Quiz - Limestone Scenery 2 (Questions)

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Limestone is a sedimentary rock composed largely of the minerals calcite and/or aragonite, which are different crystal forms of calcium carbonate (CaCO₃).

Test your knowledge with this second quiz on Limestone Scenery.

Gordale Scar in Yorkshire is an example of what?

[ ]	A gorge
[ ]	A limestone sidewalk
[ ]	A stalactite
[ ]	A swallow hole

Lines of horizontal weakness between layers of limestone are called what?

[ ]	Bedding planes
[ ]	Carboniferous fissures
[ ]	Rupture lines
[ ]	Settling levels

Rainwater attacks limestone by which process?

[ ]	Abrasion
[ ]	Chemical weathering
[ ]	Exfoliation
[ ]	Physical weathering

Redeposited limestone rising from a cave floor has what name?

[ ]	Dolomite
[ ]	Kryptonite
[ ]	Stalactite
[ ]	Stalagmite

Limestone areas often have which economic activity?

[ ]	Coal mining
[ ]	Fishing
[ ]	Forestry
[ ]	Quarrying

Which of these National Parks has the most extensive limestone area?

[ ]	Dartmoor
[ ]	Lake District
[ ]	Peak District
[ ]	Snowdonia

Which streams only appear on limestone after heavy rain?

[ ]	Intermittent
[ ]	Latent
[ ]	Misfit
[ ]	Sub-continuous

On a diagram, limestone has what type of shading?

[ ]	Brick wall
[ ]	Circles
[ ]	Cross hatching
[ ]	Diagonal stripes

What are upright blocks in a limestone sidewalk called?

[ ]	Brads
[ ]	Clints
[ ]	Grints
[ ]	Tors

10.

Why does a gorge floor contain lots of boulders?

[ ]	From the collapse of a cavern roof
[ ]	They were carried there by glaciers
[ ]	They were deposited by streams
[ ]	They were thrown by vandals

Science: Middle School: Grades 6, 7 and 8 Quiz - Limestone Scenery 2 (Answers)

Gordale Scar in Yorkshire is an example of what?

[x]	A gorge
[ ]	A limestone sidewalk
[ ]	A stalactite
[ ]	A swallow hole

It's approximately 15-16 million years old!

Lines of horizontal weakness between layers of limestone are called what?

[x]	Bedding planes
[ ]	Carboniferous fissures
[ ]	Rupture lines
[ ]	Settling levels

Rainwater attacks limestone by which process?

[ ]	Abrasion
[x]	Chemical weathering
[ ]	Exfoliation
[ ]	Physical weathering

Limestone dissolves in rainwater

Redeposited limestone rising from a cave floor has what name?

[ ]	Dolomite
[ ]	Kryptonite
[ ]	Stalactite
[x]	Stalagmite

Limestone areas often have which economic activity?

[ ]	Coal mining
[ ]	Fishing
[ ]	Forestry
[x]	Quarrying

The rock has many uses e.g. building, in steelworks

Which of these National Parks has the most extensive limestone area?

[ ]	Dartmoor
[ ]	Lake District
[x]	Peak District
[ ]	Snowdonia

The Peak District is in Derbyshire

Which streams only appear on limestone after heavy rain?

[x]	Intermittent
[ ]	Latent
[ ]	Misfit
[ ]	Sub-continuous

On a diagram, limestone has what type of shading?

[x]	Brick wall
[ ]	Circles
[ ]	Cross hatching
[ ]	Diagonal stripes

Because the rock is full of cracks like some brick walls

What are upright blocks in a limestone sidewalk called?

[ ]	Brads
[x]	Clints
[ ]	Grints
[ ]	Tors

10.

Why does a gorge floor contain lots of boulders?

[x]	From the collapse of a cavern roof
[ ]	They were carried there by glaciers
[ ]	They were deposited by streams
[ ]	They were thrown by vandals

A gorge is formed when the roof of a cavern falls in