Vocabulary Challenge
This process occurs when pieces of Earth's crust slowly pile up as an oceanic plate slides under a continental plate at a shallow angle.
A) Subduction B) Erosion C) Accretion D) Weathering
C) Accretion
The Himalaya Mountains were formed when the Indian Plate did this to the Eurasian Plate.
A) Melted B) Collided C) Separated D) Subducted
B) Collided
This type of weathering changes the chemical makeup of rocks, such as when rainwater containing carbon dioxide dissolves limestone.
A) Subduction B) Physical weathering C) Accretion D) Chemical weathering
D) Chemical weathering
About this percent of Earth's total water supply is freshwater.
A) 30% B) 10% C) 50% D) 3%
D) 3%
This narrow strip of land connects North America and South America.
A) Bering Strait B) Isthmus of Panama C) Suez Canal D) Strait of Gibralta
B) Isthmus of Panama
These piles of rock and debris are left behind when glaciers melt and move back.
A) Trenches B) Moraines C) Aquifers D) Tributaries
B) Moraines
This South American mountain range formed by subduction, as the Nazca Plate slides under the South American Plate.
A) The Rockies B) The Alps C) The Himalayas D) The Andes
D) The Andes
Water erosion first cuts a gully into the land, which can eventually erode into this V-shaped landform.
A) A delta B) A valley C) A trench D) A moraine
B) A valley
This is the largest of Earth's five oceans.
A) Arctic Ocean B) Pacific Ocean C) Indian Ocean D) Atlantic Ocean
B) Pacific Ocean
This human-made canal separates Africa and Asia at the Sinai Peninsula.
A) Panama Canal B) Bosphorus Strait C) Strait of Malacca D) Suez Canal
D) Suez Canal
This term refers to the shape and position of Earth's physical features, which affects runoff, drainage, and the rate of erosion.
A) Biology B) Climate C) Geology D) Topography
D) Topography
When a subducting oceanic plate melts into magma that rises and bursts through the crust, this type of mountain forms.
A) A fold mountain B) A moraine C) A volcanic mountain D) A fault-block mountain
C) A volcanic mountain
This famous landform is a well-known example of the eroding power of water carving out a canyon.
A) The Great Salt Lake B) The Mariana Trench C) The Grand Canyon D) The Dead Sea
C) The Grand Canyon
These two salt-water lakes are actually the remains of ancient seas.
A) The Nile and Amazon Rivers B) The Caspian Sea and Lake Baikal C) The Dead Sea and the Great Salt Lake D) Lake Superior and Lake Michigan
C) The Dead Sea and the Great Salt Lake
These are the only two continents that stand completely alone, not joined to another landmass.
A) North and South America B) Africa and Asia C) Australia and Antarctica D) Europe and Asia
C) Australia and Antarctica
maller streams or rivers that flow into larger rivers are called this.
A) Deltas B) Moraines C) Tributaries D) Aquifers
C) Tributaries
800: Scientists think heat rising from Earth's core creates currents that move slowly through this middle layer, possibly moving the plates.
A) The crust B) The outer core C) The inner core D) The mantle
D) The mantle
This is the type of glacier that today covers most of Greenland and all of Antarctica.
A) An iceberg B) A mountain glacier C) A sheet glacier D) An ice cap
C) A sheet glacier
Desalinated water in the United States can cost up to this many times more than other sources of freshwater.
A) Half the cost B) 10 times C) 2 times D) 5 times
D) 5 times
Europe and Asia are actually joined together as one landmass, known together by this name.
A) Pangaea B) Laurasia C) Gondwana D) Eurasia
D) Eurasia
This is freshwater found beneath Earth's surface, coming from rain and melted snow that filters through soil.
A) Desalinated water B) Precipitation C) Condensation D) Groundwater
D) Groundwater
1000: According to the reading, plate tectonics has been shaping Earth's surface for approximately this many years.
A) 100,000 years B) 4.5 million years C) 2.5 to 4 billion years D) 10 million years
C) 2.5 to 4 billion years
Which list correctly names the five factors that influence soil formation?
A) Rock type, water, wind, ice, and gravity
B) Climate, topography, geology, biology, and time
C) Temperature, latitude, longitude, altitude, and pressure
D) Climate, elevation, rainfall, wind, and soil type
B) Climate, topography, geology, biology, and time
About three-fourths of the world's desalinated water is produced in these two regions.
A) South America and Australia B) North America and Europe C) North Africa and Southwest Asia D) East Asia and Antarctica
C) North Africa and Southwest Asia
Earth's diameter at the Equator is about this many miles.
A) About 3,960 miles B) About 24,900 miles C) About 12,000 miles D) About 7,930 miles
D) About 7,930 miles