Share 1st Semester Review (Day Two)
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What is it called when water gets into cracks in a rock and repeatedly freezes and unfreezes breaking the rock over time?
Frost Wedging or Ice Wedging
What is it called when plants or animals break rocks?
Biological weathering
What is it called rocks smash against each other and break?
Abrasion
What are the three examples of weathering the include acid that dissolves rock
Carbonic Acid, Lichen and Oxidation
Name the layer of soil that is being described below: Made up of partially weathered rock and contains no Humus.
Horizon C: Parent Material
Name the layer of soil that is being described below: Small loose inorganic material that is rich in nutrients due to high amounts of humus. Usually very dark in color.
Horizon A: Top Soil
Name the layer of soil that is being described below: Made up of solid rock. Known as the foundation of soil
Horizon R: Bedrock
Name the layer of soil that is being described below: This layer is made up of mostly decomposed or decomposing organic material.
Horizon O: Humus
Name the layer of soil that is being described below: This layer is very rich in minerals and clay. There is very little humus in this layer.
Subsoil
Which layer is the coolest and the least dense?
Crust
A layer of the earth that is made up of a solid and liquid part, composed of mostly iron and nickel, makes up roughly one-third of the Earth’s mass. What layer of the Earth is being described?
Core
What type of boundary is the diagram showing and what can occur at this boundary?
Transform
What boundary would form at point A?
Divergent
What boundary would form at point B?
Convergent
What causes the movement of Earth's tectonic plates?
Convection Currents
What forms at a Continental- Continental Divergent boundary
Rift Valley
