Ocean/Streams
Mass of foaming water formed when waves wash up onto beach.
What is surf?
Deep cracks or fissures that develop on surface of glacier.
What is crevasses?
Fossil that extends through multiple strata?
What is polystrate fossil?
A type of rock formed when other types of rocks are "cooked" by heat and pressure.
What is metamorphic?
A device that uses underwater sound waves to determine the size, distance and direction of an object.
What is sonar?
Material carried by stream.
What is a load?
Large holes formed when huge chunks of melting glacial ice lodge in washed out sediments.
What is kettles?
Thought to be missing link in man's evolution but later found to be the remains of modern human.
What is Cro-Magnon man?
A well-known amorphous igneous rock with a glass-like texture and splits to form sharp edges.
What is obsidian?
An oceanographic tool that is a highly maneuverable robot linked to a support ship.
What is a ROV?
Two main factors that determine the density of seawater.
What is temperature and salinity?
What is a star dune?
Supposedly missing link between amphibians and reptiles.
What is Seymouria?
The largest group of minerals.
What is silicates?
An oceanographic tool that charts currents far beneath the surface and sends back accurate measurements.
What is a profiling float?
Type of current made of seawater mixed with mud or silt.
Type of weathering that involves the breaking or peeling away of rock into layers.
What is exfoliation?
The idea that the fittest and strongest organisms are most likely to survive and reproduce.
What is natural selection?
A type of rock that consists of smooth pebbles embedded in hardened sand or clay.
What is conglomerate rock?
A device that oceanographers use to measure the temperatures at different levels.
What is an expendable bathythermograph?
Area that exceeds 6000m deep.
What is Hadal zone.
Very slow downslope movement of soil and rock fragments.
What is soil creep?
The idea that understanding modern geological processes is the key to understanding the earth's geological history.
What is uniformitarianism?
A metal used as fuel for nuclear reactors.
What is uranium?
A submersible consisting of a crew compartment suspended from a float.
What is a bathyscaphe?