Sedimentary Processes
Karst and Carbon Cycle
Relative Dating
Earth History
Things I Should Know
100
Flowing water decreases in velocity, allowing sand grains to settle on the bottom. What sedimentary process is this?
Weathering
100
Land that exhibits Karst Topography is unique because it contains… (2 things)
Caves and Sinkholes
100
The relative age of a rock is its age ___________ to the ages of other rocks.
Compared
100
About 88 percent of geologic time (4 billion years of Earth’s history) is represented by the time span called the.....
Precambrian
100
Groundwater erosion shaping landform like caves and sinkholes refers to which of Earth's Spheres?
Hydrosphere
200
Calcite crystals grow within the pore spaces of compacted sand grains, cementing them together. What sedimentary process is this?
Lithification
200
"Brown coal" found nearest to the Earth's surface is called?
Lignite
200
A place where old eroded surface is in contact with new rock later is called.....
Unconformity
200
Land during the Paleozoic can be best described as _________, and resulted in ___________
Swampy and flooded with inland seas
Marine fossils and coal deposits
200
Pollution in the air affecting human health and ecosystems refers to which of Earth's Spheres?
Atmosphere
300
Rocks below a cliff face are crushed and fractured into smaller pieces by the force of falling material. What sedimentary process is this?
Erosion
300
Excess carbon dioxide is trapped in the Earth's atmosphere due to what effect?
Greenhouse Effect
300
Letter E is referring to which relative dating law?
Cross-Cutting Relationship
300
Great diversification of marine, multicellular organisms populating the shallow seas flooding much of North America occurred in what geological era?
Paleozoic
300
The effects of deforestation on biodiversity and climate refers to which of Earth's Spheres?
Biosphere
400
Heavy rainfall engorges a stream channel, washing away soil along the edges of a bank. The initial movement of sediment particles from their place of origin. What sedimentary process is this?
Deposition
400
Describe the formation of coal.
Plant dying in swampy environments and partially decay and alter as they are buried and subjected to increasing pressure.
400
The law of superposition states that, in horizontal layers of sedimentary rock, oldest layers and youngest layers are found where?
Oldest are towards the bottom, youngest towards the top.
400
Climatic variability and periodic glaciation promoted the success of mammals, along with grass and flowering plants
Mesozoic
400
Volcanic eruptions impacting the formation of new land refers to which of Earth's Spheres?
Geosphere
500
As a rock goes undergoes cycle of freezing and melting, the freezing water does what, and in turn does this to crack walls?
Expands and pushes apart
500
Carbonic acid infiltrates the ground, chemically weathers the rock layers and erodes the dissolved minerals.
What type of rock does this happen to and what does is cause?
Limestone and Caves
500
Place the layers in correct order from oldest to youngest.
B
O
X
D
A
M
J
500
The amniotic egg advantaging reptiles on the arid interior of the Pangaea supercontinent
Paleozoic
500
Describe the movement of Carbon through 3 of Earth's Spheres.
Varying answers