Earth Science: Continents and Layers
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Questions and Answers

What are the large landmasses on Earth's surface called?

Continents

What is the solid rock portion of Earth's surface called?

Lithosphere

What is the thin layer of gases surrounding Earth called?

Atmosphere

What is the term for all the water at and near the surface of the earth?

<p>Hydrosphere</p> Signup and view all the answers

What consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere?

<p>Biosphere</p> Signup and view all the answers

What is the hypothesis that the continents slowly move across Earth's surface called?

<p>Continental drift</p> Signup and view all the answers

What is the term for the sun, planets, and all the other objects that revolve around the sun?

<p>Solar system</p> Signup and view all the answers

What is the Earth's core made of and where is it?

<p>The Earth's core is made of iron and nickel and is located at the center of the Earth.</p> Signup and view all the answers

What is the layer of hot, solid material between Earth's crust and core called?

<p>Mantle</p> Signup and view all the answers

What is the thin and solid outermost layer of the Earth above the mantle called?

<p>Crust</p> Signup and view all the answers

What is the cycle through which water in the hydrosphere moves called?

<p>Hydrologic cycle</p> Signup and view all the answers

What is a large stream of moving water that flows through the oceans called?

<p>Current</p> Signup and view all the answers

What are swells and ridges produced by winds in water called?

<p>Waves</p> Signup and view all the answers

What is the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth called?

<p>Tides</p> Signup and view all the answers

What is the area from which a single stream or river and its tributaries drains all of the water called?

<p>Drainage basin</p> Signup and view all the answers

What is the term for water held underground in the soil or in pores and crevices in rock?

<p>Groundwater</p> Signup and view all the answers

What is the upper level of the saturated zone of groundwater called?

<p>Water table</p> Signup and view all the answers

What is a natural feature of the earth's surface called?

<p>Landform</p> Signup and view all the answers

What is the earth's surface from the edge of a continent to the deep part of the ocean called?

<p>Continental shelf</p> Signup and view all the answers

What is the combination of the surface shape and composition of the landforms and their distribution in a region called?

<p>Topography</p> Signup and view all the answers

What are the sections of the Earth's crust that move due to convection currents called?

<p>Tectonic plates</p> Signup and view all the answers

What is a plate boundary where two plates move away from each other called?

<p>Divergent boundary</p> Signup and view all the answers

What is a tectonic plate boundary where two plates collide, come together, or crash into each other called?

<p>Convergent boundary</p> Signup and view all the answers

What is a plate boundary where two plates move past each other in opposite directions called?

<p>Transform boundary</p> Signup and view all the answers

What is a break in the earth's crust called?

<p>Fault</p> Signup and view all the answers

What is a device that measures the strength of an earthquake called?

<p>Seismograph</p> Signup and view all the answers

What is the point on Earth's surface directly above an earthquake's focus called?

<p>Epicenter</p> Signup and view all the answers

What is a giant wave usually caused by an earthquake beneath the ocean floor called?

<p>Tsunami</p> Signup and view all the answers

What is magma that reaches Earth's surface called?

<p>Lava</p> Signup and view all the answers

What is a major belt of volcanoes that rims the Pacific Ocean called?

<p>Ring of Fire</p> Signup and view all the answers

What is the breaking down of rocks and other materials on the Earth's surface called?

<p>Weathering</p> Signup and view all the answers

What are small, solid pieces of material that come from rocks or living things called?

<p>Sediment</p> Signup and view all the answers

What is the breakdown of rock into smaller pieces by physical means called?

<p>Mechanical weathering</p> Signup and view all the answers

What is the process in which rock is broken down by changes in its chemical makeup called?

<p>Chemical weathering</p> Signup and view all the answers

What are the processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation) called?

<p>Erosion</p> Signup and view all the answers

What is a landform made of sediment that is deposited where a river flows into an ocean or lake called?

<p>Delta (landform)</p> Signup and view all the answers

What is a wind-formed deposit made of fine particles of clay and silt that produce fertile soil called?

<p>Loess</p> Signup and view all the answers

What is a large mass of moving ice and snow on land called?

<p>Glacier</p> Signup and view all the answers

What is a process by which glaciers form and spread called?

<p>Glaciation</p> Signup and view all the answers

What are piles of rocky debris left by melting glaciers called?

<p>Moraine</p> Signup and view all the answers

What is organic, dark material remaining after decomposition by microorganisms called?

<p>Humus</p> Signup and view all the answers

What is the third planet from the Sun in the solar system called?

<p>Earth</p> Signup and view all the answers

What is the distance from the Sun to Earth?

<p>93 million miles</p> Signup and view all the answers

What are ice and dust spheres leaving vapor trails called?

<p>Comets</p> Signup and view all the answers

What are large rocky materials found in space called?

<p>Asteroids</p> Signup and view all the answers

What is the region between Mars and Jupiter's orbits called?

<p>Asteroid Belt</p> Signup and view all the answers

What is the approximate circumference of the Earth?

<p>24,900 miles</p> Signup and view all the answers

What is the approximate diameter of the Earth?

<p>7,900 miles</p> Signup and view all the answers

What is the liquid layer surrounding the inner core called?

<p>Outer Core</p> Signup and view all the answers

What is the solid center of the Earth called?

<p>Inner Core</p> Signup and view all the answers

What is the layer surrounding the core containing most mass called?

<p>Mantle</p> Signup and view all the answers

What is molten rock formed in the mantle called?

<p>Magma</p> Signup and view all the answers

What is the thin outer layer of rock on Earth's surface called?

<p>Crust</p> Signup and view all the answers

What is the name of the supercontinent that existed before continental drift?

<p>Pangaea</p> Signup and view all the answers

What is the ocean surrounding the supercontinent Pangaea called?

<p>Panthalassa</p> Signup and view all the answers

What is the exact location of a place on the earth described by global coordinates called?

<p>Absolute Location</p> Signup and view all the answers

What is the position of a place in relation to another place called?

<p>Relative Location</p> Signup and view all the answers

What describes the features of the earth's surface, such as landforms, water systems, climate patterns, and plant and animal life?

<p>Physical characteristics</p> Signup and view all the answers

What includes a variety of factors such as history, government, social groups, economic systems, language, religion, clothing, housing, food, or art forms?

<p>Human characteristics</p> Signup and view all the answers

What describes the distinctive features, attributes, and qualities of a place?

<p>Place</p> Signup and view all the answers

What examines the interactions between people and their environment?

<p>Human Environment Interaction (HEI)</p> Signup and view all the answers

What describes the ways in which places are connected through the movement of people, ideas, or goods?

<p>Movement</p> Signup and view all the answers

What describes how common geographic characteristics help us describe/understand a place?

<p>Regions</p> Signup and view all the answers

What is a region defined by government or administrative boundaries called?

<p>Formal region</p> Signup and view all the answers

What is a region defined by some function or reason called?

<p>Functional Region</p> Signup and view all the answers

What is a region defined by what people think and the perceptions of the region called?

<p>Vernacular region</p> Signup and view all the answers

What is a map that shows geographic locations on Earth's surface, such as the locations of cities or oceans (topographic) called?

<p>Reference map</p> Signup and view all the answers

What is a type of map that displays one or more variables-such as population, or income level-within a specific area called?

<p>Thematic map</p> Signup and view all the answers

What is a map that tells you how to get from place to place (aeronautical and nautical maps) called?

<p>Navigational map</p> Signup and view all the answers

What involves observing, measuring, and recording data that will be used for map accuracy?

<p>Survey</p> Signup and view all the answers

What is a database of information called?

<p>Global Information Systems (GIS)</p> Signup and view all the answers

What is the distance north or south of the equator called?

<p>Latitude</p> Signup and view all the answers

What is the distance east or west of the prime meridian, measured in degrees called?

<p>Longitude</p> Signup and view all the answers

What is either of the two times of the year when the sun is at its greatest distance from the celestial equator called?

<p>Solstice</p> Signup and view all the answers

What is the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about September 22 and March 20) called?

<p>Equinox</p> Signup and view all the answers

What is the condition of Earth's atmosphere at a particular time and place called?

<p>Weather</p> Signup and view all the answers

What is the overall weather in an area over a long period of time called?

<p>Climate</p> Signup and view all the answers

What is the formation of precipitation due to surface heating of the air at the ground surface called?

<p>Convectional precipitation</p> Signup and view all the answers

What is precipitation which results when two air masses of different temperatures meet and the warm air is forced over the cooler air called?

<p>Frontal precipitation</p> Signup and view all the answers

What is precipitation caused by winds blowing warm, moist air toward coastal mountains; results when warm air rises over the mountains and cools enough to form clouds that release rain and snow called?

<p>Orographic precipitation</p> Signup and view all the answers

What is a dry region on the side of a mountain that is sheltered from wind called?

<p>Rain shadow</p> Signup and view all the answers

What is a climate located along the equator that experiences rain every day of the year called?

<p>Tropical wet climate</p> Signup and view all the answers

What is a climate located along the equator that has a dry season with little to no rain, usually in the winter called?

<p>Tropical wet and dry climate</p> Signup and view all the answers

What climate has hot, dry summers and cool, dry winters?

<p>Semiarid climate</p> Signup and view all the answers

What climate has very dry weather conditions?

<p>Desert climate</p> Signup and view all the answers

What is a climate marked by warm, dry summers and cool, rainy winters called?

<p>Mediterranean climate</p> Signup and view all the answers

What is a moderate climate with cool summers and mild winters that is heavily influenced by maritime conditions called?

<p>Marine west coast climate</p> Signup and view all the answers

What climate is located on the east coast of continents; warm humid summers, mild to cool winters?

<p>Humid Subtropical climate</p> Signup and view all the answers

What is the climate located in the middle latitudes, the agriculturally productive, true four-season climate called?

<p>Humid Continental climate</p> Signup and view all the answers

What is the climate with limited precipitation, cool summers, and very cold winters called?

<p>Subarctic climate</p> Signup and view all the answers

What is a vast treeless plain in the arctic regions between the ice cap and the tree line called?

<p>Tundra</p> Signup and view all the answers

What is the cold area near the North or South pole called?

<p>Polar region climate</p> Signup and view all the answers

What is a climate found in mountains and on high plateaus, with cool to cold temperatures that change with altitude called?

<p>Highland climate</p> Signup and view all the answers

What are broadleaf trees that lose leaves in the cold season called?

<p>Deciduous</p> Signup and view all the answers

What is the name for broadleaf trees that stay green year-round?

<p>Rainforest</p> Signup and view all the answers

What are needle leaf trees with cones that stay green year-round called?

<p>Coniferous</p> Signup and view all the answers

What is a scrubland biome of dense, spiny evergreen shrubs found at midlatitudes along coasts where cold ocean currents circulate offshore; characterized by mild, rainy winters and long, hot, dry summers called?

<p>Chaparral</p> Signup and view all the answers

What is a grassy plain in tropical and subtropical regions, with few trees called?

<p>Savanna</p> Signup and view all the answers

What is the name for temperate grasslands?

<p>Steppe or prairie</p> Signup and view all the answers

Study Notes

Continents and Earth's Layers

  • Continents are large landmasses on Earth's surface.
  • Lithosphere: Solid rock portion of Earth's surface.
  • Atmosphere: Thin layer of gases surrounding Earth.
  • Hydrosphere: All water at and near Earth's surface.
  • Biosphere: All life on Earth and its environments (land, water, atmosphere).

Earth's Structure

  • Earth's core is made of iron and nickel.
  • Mantle: Layer of hot, solid material between Earth's crust and core.
  • Crust: Thin, solid outermost layer above the mantle.

The Hydrologic Cycle

  • The hydrologic cycle describes water movement in the hydrosphere, including evaporation, precipitation, and runoff.

Oceans and Water Features

  • Currents: Large streams of moving water in oceans.
  • Waves: Swells and ridges produced by winds in water.
  • Tides: Regular rise and fall of ocean surfaces due to lunar gravity.
  • Drainage basin: Area drained by a single river and its tributaries.
  • Groundwater: Water held underground in soil or rock.
  • Water table: Upper level of the groundwater saturated zone.

Landforms and Topography

  • Landforms: Natural features of Earth's surface.
  • Continental shelf: Earth's surface from the continent edge to the deep ocean.
  • Topography: Combination of landform shapes, compositions, and distributions in a region.

Plate Tectonics

  • Tectonic plates: Sections of Earth's crust that move due to convection currents.
  • Divergent boundary: Plate boundary where plates move apart.
  • Convergent boundary: Plate boundary where plates collide.
  • Transform boundary: Plate boundary where plates slide past each other.
  • Fault: Break in Earth's crust.
  • Seismograph: Device measuring earthquake strength.
  • Epicenter: Point on Earth's surface directly above an earthquake's focus.
  • Tsunami: Giant wave caused by underwater earthquakes.

Volcanic Activity

  • Lava: Magma that reaches Earth's surface.
  • Ring of Fire: Belt of volcanoes around the Pacific Ocean.

Weathering, Erosion, and Deposition

  • Weathering: Breaking down of rocks.
  • Mechanical weathering: Physical breakdown of rocks.
  • Chemical weathering: Breakdown of rocks by chemical changes.
  • Erosion: Processes that remove and transport rock, sand, and soil.
  • Sediment: Small pieces of rock or living things.
  • Delta: Landform formed by river deposition at the ocean/lake outlet.
  • Loess: Wind-formed deposit of fine silt and clay.
  • Glacier: Large mass of ice and snow on land.
  • Glaciation: Processes of glacier formation and spread.
  • Moraine: Piles of rocky debris left by melting glaciers.
  • Humus: Dark, organic material after decomposition.

Earth's Place in Space

  • Solar system: Sun, planets, and their orbiting objects.
  • Earth's distance from sun: 93 million miles.
  • Comets: Ice and dust spheres with vapor trails.
  • Asteroids: Large rocky materials in space.
  • Asteroid belt: Region between Mars and Jupiter's orbits.
  • Earth's circumference: About 24,900 miles.
  • Earth's diameter: About 7,900 miles.

Geographic Concepts and Tools

  • Absolute location: Exact position on Earth using coordinates.
  • Relative location: Position of a place compared to another.
  • Location: Where something is.
  • Physical characteristics: Features of land (landforms, water, climate, organisms).
  • Human characteristics: Factors affecting a place (history, people, culture, economy, religion, housing).
  • Place: Descriptors of a location.
  • Human-environment interaction (HEI): How people affect and are affected by environments.
  • Movement: Connections between places.
  • Regions: Common geographic features.
  • Formal region: Area defined by government.
  • Functional region: Area defined by function.
  • Vernacular region: Area defined by perceptions.
  • Reference map: Geographic locations.
  • Thematic map: Variables in specific areas.
  • Navigational map: Directions.
  • Survey: Collecting data for maps.
  • Global Information Systems (GIS): Database of geographic information.
  • Latitude: Distance north or south of the Equator.
  • Longitude: Distance east or west of the Prime Meridian.
  • Solstice: Time of year with longest/shortest days.
  • Equinox: Time when day/night are equal lengths.

Weather and Climate

  • Weather: Atmospheric conditions at a particular time and place.
  • Climate: Long-term weather patterns in an area.
  • Convectional precipitation: Precipitation from surface heating.
  • Frontal precipitation: Precipitation from air mass collisions.
  • Orographic precipitation: Precipitation from mountains.
  • Rain shadow: Dry region on a mountain's leeward side.

Climate Types

  • Tropical wet: Constant rain.
  • Tropical wet and dry: Rainy and dry seasons.
  • Semiarid: Hot, dry summers; cool, dry winters.
  • Desert: Very dry conditions.
  • Mediterranean: Warm, dry summers; cool, rainy winters.
  • Marine west coast: Cool summers; mild winters, maritime influences.
  • Humid subtropical: Warm, humid summers; mild/cool winters.
  • Humid continental: Four distinct seasons.
  • Subarctic: Limited precipitation, cool summers, very cold winters.
  • Tundra: Treeless plain in arctic regions.
  • Polar: Cold areas near poles.
  • Highland: Cool to cold climates in mountains.

Vegetation Types

  • Deciduous: Broadleaf trees that lose leaves in cold seasons.
  • Rainforest: Broadleaf trees that remain green year-round.
  • Coniferous: Needle-leaf trees with cones, remaining green.
  • Chaparral: Scrubland, found in coastal areas, hot dry summers; rainy winters.
  • Savanna: Grasslands with few trees in tropical and subtropical regions.
  • Steppe/Prairie: Temperate grasslands.

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Description

Test your knowledge on Earth's structure, including continents, layers, and the hydrologic cycle. This quiz covers fundamental concepts such as the lithosphere, hydrosphere, and various water features like tides and currents. Explore the interrelationships between Earth's physical components and their significance.

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