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.

1. Gordale Scar in Yorkshire is an example of what?
[ ] A gorge
[ ] A limestone sidewalk
[ ] A stalactite
[ ] A swallow hole
2. Lines of horizontal weakness between layers of limestone are called what?
[ ] Bedding planes
[ ] Carboniferous fissures
[ ] Rupture lines
[ ] Settling levels
3. Rainwater attacks limestone by which process?
[ ] Abrasion
[ ] Chemical weathering
[ ] Exfoliation
[ ] Physical weathering
4. Redeposited limestone rising from a cave floor has what name?
[ ] Dolomite
[ ] Kryptonite
[ ] Stalactite
[ ] Stalagmite
5. Limestone areas often have which economic activity?
[ ] Coal mining
[ ] Fishing
[ ] Forestry
[ ] Quarrying
6. Which of these National Parks has the most extensive limestone area?
[ ] Dartmoor
[ ] Lake District
[ ] Peak District
[ ] Snowdonia
7. Which streams only appear on limestone after heavy rain?
[ ] Intermittent
[ ] Latent
[ ] Misfit
[ ] Sub-continuous
8. On a diagram, limestone has what type of shading?
[ ] Brick wall
[ ] Circles
[ ] Cross hatching
[ ] Diagonal stripes
9. 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)
1. 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!
2. Lines of horizontal weakness between layers of limestone are called what?
[x] Bedding planes
[ ] Carboniferous fissures
[ ] Rupture lines
[ ] Settling levels
3. Rainwater attacks limestone by which process?
[ ] Abrasion
[x] Chemical weathering
[ ] Exfoliation
[ ] Physical weathering
Limestone dissolves in rainwater
4. Redeposited limestone rising from a cave floor has what name?
[ ] Dolomite
[ ] Kryptonite
[ ] Stalactite
[x] Stalagmite
5. Limestone areas often have which economic activity?
[ ] Coal mining
[ ] Fishing
[ ] Forestry
[x] Quarrying
The rock has many uses e.g. building, in steelworks
6. Which of these National Parks has the most extensive limestone area?
[ ] Dartmoor
[ ] Lake District
[x] Peak District
[ ] Snowdonia
The Peak District is in Derbyshire
7. Which streams only appear on limestone after heavy rain?
[x] Intermittent
[ ] Latent
[ ] Misfit
[ ] Sub-continuous
8. 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
9. 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