Show:
Tectonics
The Ocean
The Elements of Chemistry
Geologic Time
Climate and Weather
100
The Earth can be divided into these rigid pieces of lithosphere.
What are plates?
100
The deepest parts of the oceans associated with subduction zones.
What are trenches?
100
A change does not involve breaking up molecules but can result in changes in color, phase, etc.
What is a physical change?
100
The way that the United States government measures time.
What is radiometric clocks?
100
Cool air descending and spreading out.
What is a high pressure area?
200
Most of what we know about the Earth's interior comes from studying these.
What are seismic waves?
200
The majority of the dissolved components of the oceans are present in this mineral.
What is halite?
200
Electrons that readily participate in reactions.
What are valence electrons?
200
The name of the unconformity when younger sedimentary rocks overlie older, eroded, and exposed igneous or metamorphic rocks.
What is a non-conformity?
200
Warm air that is rising, converging, and associated with evaporation.
What are low pressure areas?
300
This process is happening in the middle of the Atlantic Ocean.
What is sea floor spreading or a divergent boundary?
300
Sediment transport at the shoreline is often dominated by these currents that result from waves coming into the beach from oblique angles.
What is the long-shore current?
300
An atom becomes this when it loses or gains electrons and become charged.
What is an ion?
300
This period of geologic time is marked by the explosion of lifeforms with hard parts and the appearance of most major animal phyla for the first time.
What is Cambrian?
300
Greenhouse gases prevent this from escaping into space.
What is terrestrial radiation?
400
These features within the mantle are responsible for the formation of the Hawaiian Islands and Yellowstone.
What are hot spots?
400
Name of the deep planar area of the oceans that is 2-3 kilometers below sea level.
What is the abyssal plain?
400
Strong bond resultant from sharing electrons.
What is covalent bonding?
400
These rocks formed when the oceans were first oxidized after photosynthesis introduced free oxygen into the atmosphere and ocean.
What is the banded iron formation?
400
Through the majority of Earth's history the Earth could be classified as this type of climate.
What is a hot house?
500
Sea floor spreading was discovered through the detection of these features imprinted in the rocks surrounding mid-ocean ridges.
What are magnetic stripes?
500
Deflection caused by the rotation of the Earth.
What is the Coriolis Effect?
500
The filling of electron shells is complete at the end of each row of the periodic table where these elements are located.
What are the noble gases?
500
This principle states that the processes that change and form the Earth today are the same as those the changed and formed the Earth in the past.
What is Principle of Uniformitarianism?
500
Name of the windless areas of low pressure in the equatorial regions of the globe.
What are the doldrums?