Science - Earth Science
MCQS
A. Wind
B. Solar radiation
C. Geothermal heat
D. Nuclear energy
Solar radiation from the Sun is the primary source of energy for the Earth's climate system.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The ozone layer is located in the stratosphere.
A. Nitrogen
B. Oxygen
C. Carbon Dioxide
D. Argon
Carbon dioxide is a greenhouse gas that contributes to Earth's greenhouse effect.
A. Erosion
B. Deposition
C. Weathering
D. Sedimentation
Weathering is the process of breaking down rocks into smaller particles.
A. Sedimentary rock
B. Metamorphic rock
C. Igneous rock
D. Fossilized rock
Igneous rocks are formed from the cooling and solidification of molten magma.
A. Mid-Atlantic Ridge
B. East African Rift
C. Himalayan Mountains
D. San Andreas Fault
The collision between the Indian and Eurasian plates forms the Himalayan Mountains at a convergent plate boundary.
A. Erosion
B. Volcanism
C. Earthquake
D. Tsunami
Earthquakes are caused by the movement of tectonic plates.
A. Crust
B. Mantle
C. Outer Core
D. Inner Core
The inner core, composed of iron and nickel, generates Earth's magnetic field.
A. Evaporation
B. Condensation
C. Precipitation
D. Transpiration
Condensation is the process of water vapor changing to liquid water.
A. Solar radiation
B. Wind
C. Earth's rotation
D. Gravitational pull
Wind is the main driver of surface ocean currents.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The mesosphere is where meteors burn up upon entry into the Earth's atmosphere.
A. Evaporation
B. Condensation
C. Precipitation
D. Transpiration
Transpiration is the release of water vapor from plants into the atmosphere.
A. Cumulus
B. Stratus
C. Cirrus
D. Cumulonimbus
Cumulonimbus clouds are associated with thunderstorms and severe weather.
A. Geothermal heat
B. Solar radiation
C. Nuclear energy
D. Wind power
Solar radiation is the primary source of energy for weather systems and atmospheric circulation.
A. Evaporation
B. Infiltration
C. Precipitation
D. Runoff
Infiltration is the process by which water soaks into the ground and becomes groundwater.
A. Evaporation
B. Condensation
C. Precipitation
D. Transpiration
Precipitation is the process by which water returns to the Earth's surface from the atmosphere.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The stratosphere contains the ozone layer, which absorbs harmful UV radiation.
A. Convergent boundary
B. Divergent boundary
C. Transform boundary
D. Subduction boundary
Transform boundaries involve the sliding or rubbing motion between two tectonic plates.
A. Methane
B. Nitrous oxide
C. Water vapor
D. Ozone
Methane is a greenhouse gas more potent than carbon dioxide but less abundant.
A. Weathering
B. Erosion
C. Deposition
D. Lithification
Lithification is the process by which sediments are compacted and cemented to form sedimentary rocks.
A. Erosion
B. Tsunami
C. Volcanism
D. Earthquake
An earthquake is a sudden and violent shaking of the ground caused by tectonic plate movement.
A. Evaporation
B. Condensation
C. Transpiration
D. Precipitation
Transpiration is the release of water vapor from the surface of leaves into the atmosphere.
A. Bedrock
B. Soil
C. Regolith
D. Sediment
Soil is the layer of loose, unconsolidated material covering the Earth's surface.
A. Coal
B. Natural gas
C. Petroleum
D. Peat
Petroleum is a fossil fuel formed from the remains of ancient marine organisms.
A. Volcanic mountain
B. Folded mountain
C. Fault-block mountain
D. Dome mountain
Folded mountains are formed by the folding and uplift of rock layers along plate boundaries.
A. Weathering
B. Erosion
C. Lithification
D. Metamorphism
Metamorphism is the process by which rocks change form or structure due to heat, pressure, or mineral composition changes.
A. Canyon
B. Plateau
C. Basin
D. Crater
A crater is a bowl-shaped depression in the Earth's surface often caused by the impact of a meteorite.
A. Crust
B. Mantle
C. Outer Core
D. Inner Core
The mantle's convection currents drive plate tectonics.
A. Evaporation
B. Condensation
C. Transpiration
D. Precipitation
Evaporation is the process by which water from the surface enters the atmosphere as water vapor.
A. Oxygen
B. Carbon Dioxide
C. Nitrogen
D. Argon
Nitrogen is the most abundant gas in Earth's atmosphere.
A. Erosion
B. Deposition
C. Weathering
D. Sedimentation
Weathering is the process by which rocks are broken down into smaller particles.
A. Shield volcano
B. Stratovolcano
C. Cinder cone volcano
D. Composite volcano
Shield volcanoes have gentle slopes and non-explosive eruptions with basaltic lava flows.
A. Tides
B. Tsunamis
C. Storm surges
D. Seiches
Tsunamis are large oceanic waves caused by underwater earthquakes or volcanic eruptions.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The troposphere contains the ozone layer and is where most weather phenomena occur.
A. Refraction
B. Reflection
C. Diffraction
D. Dispersion
Refraction is the bending of light as it passes from one medium to another.
A. Carbon Dioxide
B. Methane
C. Water vapor
D. Nitrous oxide
While water vapor is the most abundant greenhouse gas, carbon dioxide is often considered the primary anthropogenic contributor.
A. Aluminum
B. Silicon
C. Sulfur
D. Oxygen
Sulfur is a major component of Earth's core along with iron and nickel.
A. Erosion
B. Deposition
C. Weathering
D. Sedimentation
Deposition is the process by which rocks are transported and deposited by various agents.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The thermosphere contains the ionosphere and is where auroras occur.
A. Sinkhole
B. Caldera
C. Butte
D. Mesa
A caldera is a large, circular depression formed by the collapse of an underground cave or magma chamber.
A. Deposition
B. Abrasion
C. Attrition
D. Corrosion
Abrasion is the process where waves cut into rock, forming a notch along the shoreline.
A. Sublimation
B. Evaporation
C. Condensation
D. Freezing
Sublimation is the process by which ice changes directly into water vapor without melting.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The thermosphere experiences high temperatures due to the absorption of solar radiation.
A. Convection
B. Advection
C. Coriolis effect
D. Isobar
Convection is the movement of air from areas of high pressure to low pressure, creating wind.
A. Cumulus
B. Cirrus
C. Stratus
D. Altostratus
Cirrus clouds are thin and wispy, found at high altitudes and composed of ice crystals.
A. Weathering
B. Erosion
C. Dissolution
D. Corrosion
Dissolution is the process by which rocks are dissolved by acidic water.
A. Evaporation
B. Condensation
C. Precipitation
D. Transpiration
Condensation is the process by which water droplets form on surfaces due to temperature changes.
A. Erosion
B. Deposition
C. Weathering
D. Sedimentation
Deposition is the process by which sediment is dropped or laid down by natural forces.
A. Ozone depletion
B. Deforestation
C. Volcanic eruptions
D. Ocean currents
Deforestation contributes to increased greenhouse gases, intensifying the greenhouse effect.
A. Weathering
B. Erosion
C. Lithification
D. Fossilization
Fossilization is the process by which sedimentary rocks form from the remains of plants and animals.
A. Moraine deposition
B. Glacial abrasion
C. Ice calving
D. Glacial retreat
Moraine deposition is the process by which a glacier melts and releases sediments, shaping the landscape.
A. Turbidity
B. pH
C. Conductivity
D. Salinity
Salinity is a measure of the total amount of dissolved salts in water.
A. Ocean currents
B. Tidal currents
C. Surface currents
D. Deep currents
Ocean currents refer to the circular movement of water driven by various factors.
A. Sedimentary rock
B. Igneous rock
C. Metamorphic rock
D. Fossilized rock
Metamorphic rocks are formed from the alteration of existing rock without melting.
A. Air mass
B. Front
C. Cyclone
D. Anticyclone
An air mass is a large body of air with relatively uniform temperature and humidity.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The thermosphere is where auroras occur due to the interaction of charged particles with Earth's magnetic field.
A. Ice sheet
B. Glacier
C. Iceberg
D. Ice cap
An ice sheet is a large, dome-shaped mass of ice that flows outward in all directions, typically found in polar regions.
A. Mesa
B. Butte
C. Plateau
D. Canyon
A canyon is a landform formed by the erosion of sedimentary rock layers, creating steep cliffs and valleys.
A. Erosion
B. Deposition
C. Weathering
D. Sedimentation
Weathering is the process by which rocks are physically broken into smaller pieces without changing their composition.
A. Radiometric dating
B. Carbon dating
C. Stratigraphy
D. Dendrochronology
Stratigraphy involves comparing rock layers to determine their relative ages in geology.
A. Epicenter
B. Hypocenter
C. Seismic focus
D. Richter point
The epicenter is the point on the Earth's surface directly above the earthquake's origin.
A. Cumulus
B. Stratus
C. Cirrus
D. Cumulonimbus
Cumulonimbus clouds are associated with thunderstorms, featuring a dark, towering structure.
A. Erosion
B. Deposition
C. Weathering
D. Sedimentation
Erosion is the process by which a river wears away the land and carries sediment downstream.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
The stratosphere is characterized by decreasing temperature with altitude and contains the ozone layer.
A. Bay
B. Sound
C. Channel
D. Fjord
A channel is a long, narrow body of water that connects two larger bodies of water.
A. Frost action
B. Abrasion
C. Chemical weathering
D. Biological weathering
Frost action involves the expansion and contraction of rocks due to temperature changes, breaking rock into smaller fragments.
A. Epipelagic zone
B. Mesopelagic zone
C. Bathypelagic zone
D. Abyssopelagic zone
The abyssopelagic zone is the oceanic zone where light cannot penetrate, and temperatures are low with high pressure.
A. Sheet erosion
B. Rill erosion
C. Gully erosion
D. Wind erosion
Wind erosion involves the lifting and transportation of small, loose particles by the wind.
A. Erosion
B. Deposition
C. Weathering
D. Sedimentation
Deposition is the process by which a river deposits sediment as it loses energy, often forming a fan-shaped landform.
A. Granite
B. Basalt
C. Shale
D. Marble
Basalt is an igneous rock that forms from the cooling and solidification of lava on the Earth's surface.