Which is the best evidence that rocks found deep underground were once exposed at the surface?
The rocks have been weathered by water.
Name the terms for these glacial actions in the order as presented.
1. Breaks large rocks into smaller ones
2. Pushes broken rocks ahead of itself
3. Leaves broken rocks behind when the front edge melts
1. Weathering 2. Erosion 3. Deposition
Which characteristic property indicates that igneous rock cools slowly?
Crystal Size
Using your soil triangle, which type of soil is 35% clay, 30% silt, and 35% sand?
clay loam
Earth’s thin, rocky outer layer is its_________.
crust
Cracks in rocks widen as water in them freezes and thaws. How does this affect the surface of the Earth?
It exposes rocks to increased rates of erosion and weathering.
How could the removal of trees and other vegetation impact an environment in regards to the Geo 1 unit?
by increasing erosion
Limestone is an example of what kind of rock?
Sedimentary rock
Using your soil triangle, which type of soil is 10% clay, 20% silt, and 70% sand?
sandy loam
The Earth’s core is made of an alloy of ________________.
Iron and nickel
How can water be an agent for physical weathering?
by seeping into the cracks of rocks and freezing
Which agent of erosion leads to the formation of sand dunes?
wind
As some organisms die, their remains become buried by mud and are eventually compressed into a type of rock. Which of these is a rock type that forms from this process?
Sedimentary
Which layer of the soil horizon has the most organic matter?
O
What layers make up the lithosphere?
The crust and upper mantle
The roots of a plant can grow through cracks in a driveway, eventually causing the driveway to break. Which kind of process would be taking place?
weathering
Which of these is a property of water that allows it to transport materials through the Earth system?
It dissolves many substances.
Which terms should be placed in the boxes labeled 1, 2 and 3?
1. Sedimentary Rocks 2. Igneous Rocks 3. Metamorphic Rocks
What type of soil does a farmer have if the soil contains 40% sand, 40% silt, and 20% clay?
loam
Earth’s inner core is solid because of_____.
Immense pressure
In which type of climate would it be best to place the statue for the slowest rate of chemical weathering?
cold and dry
Which action most often causes sinkholes to form on the surface of Earth?
removing groundwater
Why does oceanic crust generally tend to subduct under continental crust when plates collide?
The oceanic crust is denser than the continental crust.
A farmer has a steeply sloping pasture that is eroding. What is the BEST option to stop the immediate erosion of the topsoil?
Increase the amount of vegetation on the sloping pasture.
A diagram of sedimentary rock is shown below. Assuming the layers have NOT been disturbed, which layer would be the oldest?
Z