Layers of the earth
________ is the earth's thinnest layer.
crust
Divergent plate boundaries create mid-ocean ridges and _________ as tectonic plates move apart.
rift valleys
Volcanoes benefit the biosphere by improving the rate of soil formation through deposition of volcanic ashes that will improve the _______________
fertility of soils
sedimentary rocks are from ____ and ____ of sediments or organic matter
cementation and compaction
_______ slopes tend to experience more erosion due to gravity and runoff.
Steeper
________ is the material that the continental crust mostly made of.
granite
The San Andreas Fault is caused by a transform boundary where two plates slide past each other
________________.
horizontally
The increase in snowfall would further reflect sunlight and cool temperatures may be happen if there is strong volcanic eruption, true or false
true
Increase in the volume of water during ______ leads to ice wedging
freezing
The 3 agent of soil erosion are
wind, water, and snow
Explain convection and how it fuels the movements of plates
Earthquakes most often occur _______________
Along Faults, Plate Boundaries, sites of volcanic activity
Ash cloud from a volcano lower the temperature temporarily by __________________
blocking the sun
Igneous rocks form from __________
volcanic eruption
Erosion removes the nutrient-rich topsoil layer, reducing _________________.
agricultural productivity
Data on earthquakes, specifically the analysis of ___________ generated by earthquakes, allows geologists to understand the Earth's interior by revealing the different layers of the planet and their composition,
seismic waves
Most volcanoes form near ____________
Convergent Boundaries
The amount of carbon dioxide, water vapor and _________ increase when a volcano erupts
sulphur dioxide
Metamorphic rocks form at high
temperature and pressure
____________ is a process of glacial erosion that occurs when glaciers remove large pieces of bedrock.
Plucking
is the material that the oceanic crust mostly made of.
basalt
Oceanic trenches form at _________________ convergent boundaries
oceanic-oceanic plate, oceanic-continental plate
Sulphur dioxide from Volcanic eruption causes acid rains which leads to_____________ of water pH
decrease
Rocks near the equator weather rapidly because of high temperatures and frequent rainfall, which enhance chemical weathering true/false
true
What is the process that causes things like pot holes?
Frost wedging erosion (or something similar teaching moment since we have not gone over this word for word)