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18 Cards in this Set

  • Front
  • Back
Benthos organisms are those that live
ON THE OCEAN FLOOR
Many large volcanoes have at the top of their cones a roughly circular, steep-walled basin specifically called what?
CALDERA (ACCEPT: CRATER)
On the Earth's surface, the point directly above the underground point of origin of an earthquake is known as the:
EPICENTER
What two elements are the most abundant in the Earth's crust
OXYGEN AND SILICON
Gypsum and rock salt are two kinds of
SEDIMENTARY ROCKS
What is the name of the layer of the Earth's atmosphere where we live?
TROPOSPHERE
On the U.S. east coast, the boundary where the land and ocean meet is called the:
SHORELINE
What is the common name for the calm center of a hurricane?
THE EYE
Which of the following most directly causes surface ocean waves:
WIND
Which of the following most accurately describes the motion of the Sun from the lower 48 states:
SUNRISE AND SUNSET BOTH MOVE MORE NORTHERLY IN THE SUMMER
What element is present in Navaho sandstone that gives it its red color?
IRON
The mass of most stars is composed mostly of what element?
HYDROGEN
A pressure gauge has the letters PSI printed on its face. What does PSI stand for?
POUNDS PER SQUARE INCH
Which of the following best accounts for the backwards or retrograde motion that planets seem to follow when viewed from Earth:
THE EARTH MOVES FASTER IN ITS ORBIT AROUND THE SUN THAN SOME OF THE OTHER PLANETS
Which of the following is a type of telescope that typically used a primary glass lens to collect the light from the night sky:
REFRACTOR
Which of the following is an element most directly needed in trace amounts by humans for the production of a hormone:
IODINE
What did Copernicus think was the shape of orbits of the planets?
CIRCLE
How many bytes are in a single gigabyte?
1 BILLION