Things of Earth
Things on Earth 2
Tie Breakers
Tie Beakers 2
100

What is the sandy, gently sloping underwater plain that borders the coasts of continents?

continental shelf

100

What are hills that form when advancing glaciers overrun old piles of till?

drumlins

100

What space program first landed a man on the moon?

Apollo

100

The natural ridges formed when water flow causes sediments to drop along the edge of a river's channel

levee

200

What convection cell exists between latitude 30° and latitude 60°?

Ferrel cell

200

What forms when rocks along one side of a fault move horizontally along the fault?

strike-slip fault

200

What calendar has leap years every four years with no exceptions?

Julian

200

What is the process in which an atom of an element with a large nucleus breaks into two atoms of elements with smaller nuclei?

nuclear fission

300

What layer of the atmosphere acts like a giant mirror, bouncing certain types of radio waves back down toward the ground?

ionosphere

300

What is the main agent of chemical weathering?

water

300

What is a device that safely starts and controls a fission chain reaction called?

nuclear reactor

300

The best explains for why planets closer to the sun orbit the sun faster than those farther away?


The sun's gravitation pulls more strongly on closer planets.

400

On what did Darwin evolutionary ideas?

natural selection

400

What type of oceanographic vessel is lowered from a surface ship near the area to be studied and can operate without any outside guidance?

AUV

400

 What sedimentary rock consists of rough, angular fragments embedded in hardened sand or clay?

breccia

400

Throughout the year, the length of a sidereal day does not change. Why not?

The stars do not seem to move as Earth orbits the sun.

500

What gemstone consists of corundum with traces of iron or titanium that give it a distinctive blue color?

sapphire

500

Which view claims that understanding modern geological processes is the key to understanding the earth's geological history?

uniformitarianism

500

The oceans' surface currents move in circular paths

gyres

500

A situation in which warm air rests on top of a layer of cold air, trapping the cold air against Earth's surface

temperature inversion