1) What is limestone made out of? a) Fossilised fish bones and shells b) Lava c) Sand 2) What are the vertical cracks in Limestone called? a) Bedding Planes b) Joints c) Caverns 3) What type of rock is Limestone? a) Permeable b) Impermeable c) Purple 4) What structure does Limestone have? a) No struture b) Formed in layers c) Honeycomb 5) Name the mineral that is dissolved in Limestone a) Carbon Dioxide b) Calcium Carbonate c) Phosphorous 6) The rain that falls on the limestone is slightly... a) acidic b) warm c) gritty 7) The limestone is weathered by... a) Freeze thaw weathering b) Onion Skin weathering c) Biological weathering d) Chemical weathering 8) Icicle like features of rock hang down from the ceiling of limestone caves. What are they called? a) Stalagmites b) Stalactites 9) Name the opening down which rivers disappear when flowing over limestone. a) Sink Holes b) River Bedding Planes c) Swallow Holes 10) When stalactites and stalagmites join together this forms a... a) Candle b) Pillar c) Stack

Year 9 Limestone ALG

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