Oceanography 3rd 9 weeks test review

Tiny grains of sediment that originate from outer space are termed _______.

In order for sediment to be deposited, a low lying area, called a _______, is usually required.

The average elevation on land (the continents) is ______m.

Typical beaches exposed to wave energy would likely be composed of _______ sized particles.

Fine and coarse grains of sediment produced by weathering on land are termed _______ sediment.

At least _____% of the content of ‘biogenic’ ooze must come from microscopic organisms.

If the earth was a perfect sphere, the ocean would cover the surface to around ______ deep.

About 65% of all sedimentary rocks originated from dried and compressed______.

The coal layers, which we produce much of our electricity with, formed by burying _______.

In a current of gradually slowing water, which would be the first sediment size deposited?

Which method of “seeing” the sea floor uses satellites to detect changes in sea level?

Continental rocks (crust) are typically denser than oceanic rocks.

Which of the following is a carbonate (calcium carbonate) rock?

On the basis of water depth, the two major areas where sedimentation occurs are the _______.

Sediments precipitated near the sea floor by chemical reactions are termed _____ sediments.

Bathymetry refers to submarine _______.

The providence made of the drowned edges of the continents are the continental _______.

Wave energy on the ocean bottom, _________ with increasing distance offshore.

A major component of sediments in tropical seas is _______.

The processes which break rock and minerals into smaller particles are collectively termed ___.

The river-supplied sediments of the shelves are mostly from the weathering of _______ sediment.

The bathymetry of the oceans can be divided into __________ large physiographic provinces.

Which method of “seeing” the sea floor only shows the depth to the sea floor?

Energy for eroding and moving sand grains on the shelf is provided by waves, tides and_______ .

The biggest effect of large scale, ice-age glaciation on the oceans was to cause _______.

Particle size of a deposit is proportional to the ____ level present at the time of deposition.

How would you express 8,500,000,000,000 in scientific notation?

The point at the end of the continental shelf, where the bottom steepens, is called the shelf _

Guyots were once active volcanoes whose tops were flattened and leveled by _______.

The continental shelves of Polar Regions are covered with __________ sediment deposits.

The continuous submarine mountain range that winds through all the oceans is called the ______.

The deepest sediment samples are obtained by _______.

The system of mid-ocean ridges is a mountain range that extends for over __ km of Earth.

About 29% of Earth is above sea level and much of the rest is at a depth of __-__ km below S.L.

The Hjulstrom diagram is a plot of _______.

The nearly flat (.1-.5^O), underwater edges of the continents are called the continental ______.

The average ocean depth is ______m

Mud is typically made of silt and __________-sized materials.

About _____ percent of the water on Earth is in the oceans.

The flattest areas on Earth are the _______.

Before the 1830’s the leading theory to explain Earth’s sedimentary rock layers was _____ flood

Which method of “seeing” the sea floor can show thicknesses of sediments and beneath the water?

Shelf breaks occur at an average water depth of about ________ meters.

Fine and coarse sediments derived from the hard parts of organisms are termed _______.

Today about _____% of continents are covered in sedimentary rock, to an average depth of 1,800m