Show:
Earthquakes
Volcano
Weathering and Soil
Erosion and Deposition
Geologic Time
100
Can cause damage days or months after an earthquake?
What is an aftershock.
100
A large hole at the top of a volcano where the magma chamber has collapsed?
What is a caldera.
100
What do living organisms in the soil to the soil?
What is mix the soil and make humus.
100
A stream or river that runs into another stream or river?
What is a tributary.
100
Preserved remains or traces of an organism?
What is a fossil.
200
The point benneath Earth's surface where rock breaks and triggers an earthquake?
What is focus.
200
Can be used to identify a substance or how it will behave?
What are chemical and physical properties.
200
Protecting soil for for future generations is called what?
What is soil conservation.
200
The process by which natural forces moved weathered rock and soil from one place to another?
What is erosion.
200
Fossils that form when minerals replace all or part of an organism?
What is petrified.
300
Type of earthquake wave that arrives at the surface first?
What is a P wave.
300
A volcano that may erupt at some time in the distant future?
What is dormant.
300
Kind of weathering that causes the mineral composition of a rock to change?
What is chemical weathering.
300
The volume of water that moves past a point on a river in a given time?
What is flow.
300
An organism that no longer exists on earth?
What is extinct.
400
What type of earthquake wave moves slower than a P wave?
What is an S wave.
400
Lava under the surface mainly composed of silica?
What is magma.
400
Loss of soil that is not protected by plant cover?
What is erosion.
400
What are deltas built up by?
What is deposition.
400
In what type of fossil might you find the reamins of an insect preserved with little or no change?
What is a fossil in amber.
500
What records the ground movements of seismic waves?
What is a seismograph.
500
Giant wave caused by an earthquake? (Yes, I know this is under the volcano, not earthquake category!).
What is tsunami.
500
The geologic principle stating that the same processes that operate today also operated in the past?
What is uniformitarianism.
500
What produces ocean waves?
What is strong winds.
500
What law styates that in horizontal layers of sedimentary rock each layer is older than the layer above it and younger than the layer below it?
What is the Law of Superposition?