PracticeVideosBlogFlashcardsEspañol
All Practice Exams

Free Practice Questions for Madrid PAU Geology & Environmental Sciences

Exam-style questions and explanations by OpenExamPrep.

✓ No registration✓ No credit card
100+ Questions
100% Free

Loading practice questions...

Same family resources

Explore More Spain Madrid PAU (Prueba de Acceso a la Universidad)

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

Madrid PAU Applied Mathematics for Social Sciences II

Practice Questions

Madrid PAU Art Foundations

Practice Questions

Madrid PAU Artistic Drawing II

Practice Questions

Madrid PAU Biology

Practice Questions

Madrid PAU Business and Business Model Design

Practice Questions

Madrid PAU Chemistry

Practice Questions
Exam Review

Key Facts: Madrid PAU Geology & Environmental Sciences Exam

Madrid PAU 2026

Official Madrid University Access Examination Authority

Comunidad de Madrid / UCM

90 Mins

Official examination time duration

PAU Madrid Regulations

Min 4.0

Minimum score required in Access Phase to calculate university admission mark

BOCM PAU Guidelines

5 Modules

Internal Processes, Surface Geomorphology, Petrology & Deep Time, Environmental Systems & Hazards, Sustainability

LOMLOE 2º Bachillerato Syllabus

100

Original high-quality practice questions in OpenExamPrep bank

OpenExamPrep

The Madrid PAU Geology and Environmental Sciences examination evaluates core geological literacy, Earth systems science, and environmental sustainability competencies for 2º Bachillerato students across Madrid.

Sample Madrid PAU Geology & Environmental Sciences Practice Questions

Try these sample questions to review concepts for the Madrid PAU Geology & Environmental Sciences exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which seismic wave phenomenon accounts for the total absence of direct S-waves on seismograms recorded at angular distances greater than 104° from an earthquake focus?
A.S-waves cannot propagate through the liquid outer core because fluids lack shear strength.
B.S-waves undergo refraction and increase in speed, bending upward away from deep stations.
C.S-waves are converted into high-frequency Rayleigh surface waves at the lithosphere-asthenosphere boundary.
D.S-waves are completely absorbed by plastic deformation within the solid inner core.
Explanation: Transverse shear waves (S-waves) require a rigid medium with shear strength to propagate. Because the Earth's outer core is molten liquid metal, shear stress cannot be transmitted, creating an S-wave shadow zone beyond 104° from the epicenter.
2A seismograph station records the initial arrival of P-waves at 10:00:00 AM and the initial arrival of S-waves at 10:00:15 AM. Assuming average P-wave velocity v_p = 8.0 km/s and S-wave velocity v_s = 4.0 km/s, what is the distance from the seismograph to the epicenter?
A.120 km
B.90 km
C.150 km
D.180 km
Explanation: The distance d is calculated using d = Δt / (1/v_s - 1/v_p). With Δt = 15 s, 1/v_s = 0.25 s/km, and 1/v_p = 0.125 s/km, we get d = 15 / (0.25 - 0.125) = 15 / 0.125 = 120 km.
3How do the compositional divisions of Earth's interior differ from its mechanical (rheological) divisions?
A.Compositional layers (crust, mantle, core) are defined by chemical composition, whereas mechanical layers (lithosphere, asthenosphere, mesosphere, outer core, inner core) are defined by physical behavior.
B.Compositional layers are based on rigidity and ductility, while mechanical layers depend entirely on mineral crystal structures.
C.Mechanical layers represent chemical differentiation during primordial accretion, whereas compositional layers describe thermal convection units.
D.Compositional layers apply only to oceanic lithosphere, whereas mechanical layers describe continental margins.
Explanation: Earth is chemically divided into crust, mantle, and core based on rock composition and density differences. Rheologically, physical state and rigidity define the mechanical layers: rigid lithosphere, ductile asthenosphere, solid mesosphere, liquid outer core, and solid inner core.
4What physical mechanism generates Earth's main magnetic field according to the geodynamo theory?
A.Convection currents of molten iron-nickel in the outer core combined with Earth's rotation (Coriolis effect).
B.Permanent remanent magnetization of iron-rich minerals within the continental lithosphere.
C.Thermonuclear fusion occurring at the center of the solid inner core.
D.Piezoelectric currents generated by quartz crystals under extreme pressure in the lower mantle.
Explanation: Earth's geomagnetic field is generated by self-sustaining dynamo action in the liquid outer core, where thermal and compositional convection currents of liquid iron-nickel are organized into spiral columns by the Coriolis force.
5Under the Airy model of isostasy, what root depth r is required beneath a mountain range elevated h = 3.0 km above sea level, assuming average crustal density ρ_c = 2.7 g/cm³ and mantle density ρ_m = 3.3 g/cm³?
A.13.5 km
B.8.1 km
C.18.0 km
D.22.5 km
Explanation: Airy isostasy requires hydrostatic balance at the depth of compensation: r = h * (ρ_c / (ρ_m - ρ_c)). Substituting values gives r = 3.0 * (2.7 / (3.3 - 2.7)) = 3.0 * (2.7 / 0.6) = 3.0 * 4.5 = 13.5 km.
6If the mean surface temperature is 15°C and the average continental geothermal gradient is 30°C/km, what temperature is expected at a depth of 4.0 km?
A.135°C
B.120°C
C.150°C
D.105°C
Explanation: Temperature at depth d is T = T_surface + (gradient * d). Here, T = 15°C + (30°C/km * 4.0 km) = 15 + 120 = 135°C.
7What major observational discovery in the 1960s provided the key physical mechanism validating continental drift into modern Plate Tectonics?
A.Symmetrical paleomagnetic stripes recording magnetic reversals on opposite sides of mid-ocean ridges.
B.Discovery of Mesosaurus fossils in both South America and Africa.
C.Matching fit of continental shelf boundaries across the Atlantic Ocean.
D.Glacial striations indicating Carboniferous ice flow directions across Gondwana.
Explanation: The Vine-Matthews-Morley hypothesis proved sea-floor spreading by linking seafloor paleomagnetic stripes to geomagnetic field reversals, providing the quantitative engine driving plate movement.
8Which rock sequence represents an ophiolite suite emplaced onto continental margins during ocean closure?
A.Deep-sea pelagic sediments, pillow basalts, sheeted dikes, layered gabbros, and mantle peridotites.
B.Granitic batholiths, ignimbrites, arkosic sandstones, and continental flood basalts.
C.Limestone reef structures, evaporites, red beds, and quartzites.
D.Eclogites, blue schists, migmatites, and high-grade regional gneisses.
Explanation: An ophiolite sequence preserves oceanic lithosphere: pelagic sediments (chert/shale) on top, followed by pillow basalts, sheeted dike complex, layered gabbros, and ultramafic mantle tectonites (harzburgite/lherzolite).
9What structural and bathymetric features characterize an oceanic-oceanic convergent subduction zone?
A.Deep oceanic trench, accretionary wedge, forearc basin, and volcanic island arc.
B.Central rift valley, high geothermal heat flow, transform faults, and pillow lavas.
C.Suture zone, broad interior plateau, regional thrust belts, and crustal thickening.
D.Linear escarpment, horizontal offset streams, sag ponds, and pressure ridges.
Explanation: Subduction of oceanic lithosphere beneath another oceanic plate creates a deep ocean trench where flexure occurs, an accretionary prism of scraped sediment, a forearc basin, and a curved chain of volcanic islands (island arc).
10What defines the Wadati-Benioff zone in subduction geodynamics?
A.A planar zone of dipping earthquake hypocenters tracing the descending cool oceanic slab into the mantle down to ~670 km.
B.The horizontal boundary separating the asthenosphere from the lower mantle mesosphere.
C.The shallow region of partial melting immediately beneath mid-ocean ridge crests.
D.The low-velocity seismic zone where basaltic magma accumulates in continental crust.
Explanation: The Wadati-Benioff zone is a dipping seismic surface produced by brittle deformation within subducting lithospheric plates, extending from shallow trenches down to the 670 km mantle transition zone.

About the Madrid PAU Geology & Environmental Sciences Exam

The Madrid PAU Geology and Environmental Sciences (Geología y Ciencias Ambientales 2º Bachillerato) practice bank provides comprehensive preparation for students sitting the Spanish university entrance examination in the Community of Madrid. The syllabus tests fundamental geodynamics, global plate tectonics, seismic wave propagation, surface processes, karstification, fluvial and coastal geomorphology, petrology, stratigraphic principles, geological history of the Iberian Peninsula and Madrid Basin (Guadarrama granites and Tertiary detrital sediments), environmental systems, biogeochemical cycles, natural hazards mitigation, hydrologic resource management, climate change dynamics, and environmental impact assessment.

Exam sponsor: PAU Organising Commission of the Community of Madrid / Universidad Complutense de Madrid (UCM). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

90-minute examination covering 5 core thematic modules: Earth Structure, Plate Tectonics & Internal Processes (25%), Surface Processes & Geomorphology (20%), Mineralogy, Petrology & Geological Time (20%), Environmental Systems & Natural Hazards (20%), and Resource Management & Sustainability (15%).

Time Limit

90 minutes (1.5 hours)

Passing Score

Marked on a 0–10 scale. Minimum 4.0 required in Access Phase to combine with Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).

Exam / Certification Fees

EUR 93.02 base registration fee for compulsory Access Phase in Community of Madrid (or ~11.63 € per optional subject in voluntary phase).

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

25%

Earth Structure, Plate Tectonics & Internal Processes

Seismology, velocity discontinuities, compositional and mechanical layering, geodynamo, mantle convection, plate tectonics, magmatism, metamorphic facies, and structural geology.

20%

Surface Processes & Geomorphology

Physical and chemical weathering, soil formation, slope mass movements, fluvial channel dynamics, karst topography, glacial systems, aeolian processes, and coastal geomorphology.

20%

Mineralogy, Petrology & Geological Time

Crystallography, physical properties of minerals, petrogenesis of igneous, sedimentary, and metamorphic rocks, stratigraphy principles, radiometric dating, and Iberian geological history.

20%

Environmental Systems & Natural Hazards

Systems theory, biogeochemical cycles, atmospheric dynamics, climate change forcing, risk equation analysis, seismic, volcanic, flood, and mass movement hazards, and pollution.

15%

Resource Management & Sustainability

Mineral deposits, fossil fuels, renewable energy transition, water resource management, waste hierarchy, circular economy, Environmental Impact Assessment (EIA), and SDGs.

Preparing for the Madrid PAU Geology & Environmental Sciences Exam

What You Need to Know

  • Passing score: Marked on a 0–10 scale. Minimum 4.0 required in Access Phase to combine with Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).
  • Assessment: 90-minute examination covering 5 core thematic modules: Earth Structure, Plate Tectonics & Internal Processes (25%), Surface Processes & Geomorphology (20%), Mineralogy, Petrology & Geological Time (20%), Environmental Systems & Natural Hazards (20%), and Resource Management & Sustainability (15%).
  • Time limit: 90 minutes (1.5 hours)
  • Exam / certification fees: EUR 93.02 base registration fee for compulsory Access Phase in Community of Madrid (or ~11.63 € per optional subject in voluntary phase). Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Madrid PAU Geology & Environmental Sciences: Suggested Study Strategy

1Master seismic wave propagation physics (P vs. S wave shadow zones, Mohorovičić and Gutenberg discontinuities).
2Understand regional Madrid geology: Guadarrama Hercynian granites/gneisses, Madrid Tertiary detrital basin arkoses, and gypsum evaporites.
3Practice quantitative calculations including Darcy's law, slope safety factor, river discharge, seismic travel times, and radiometric decay half-lives.
4Review soil horizons, USLE erosion factors, karst dissolution mechanisms, and coastal longshore transport dynamics.
5Study Environmental Impact Assessment procedures (EsIA vs. DIA), risk matrix formulas, and circular economy waste management hierarchies.

Frequently Asked Questions

What is the fee for taking the PAU exam in the Community of Madrid (2026)?

The base registration fee for the compulsory Access Phase in the Community of Madrid is EUR 93.02 (with an additional ~€11.63 per subject for the voluntary admissions phase).

What passing score is required on the PAU Geology and Environmental Sciences exam in Madrid?

The exam is marked on a 0–10 scale. A minimum mark of 4.0 is required in the Access Phase to calculate the final university access mark (60% Bachillerato GPA + 40% PAU >= 5.0).

What is the duration of the PAU Geología y Ciencias Ambientales exam?

The official examination duration is 90 minutes (1.5 hours).

Which body organizes the PAU in the Community of Madrid?

The exam is coordinated by the PAU Organising Commission of the Community of Madrid alongside public universities (UCM, UAM, UPM, UC3M, URJC, UAH).

What content blocks are covered in Madrid PAU Geology and Environmental Sciences?

The syllabus covers 5 main blocks: Earth Structure & Plate Tectonics (25%), Surface Processes & Geomorphology (20%), Mineralogy, Petrology & Geological Time (20%), Environmental Systems & Natural Hazards (20%), and Resource Management & Sustainability (15%).