🔬

Earth Science & Geology Quiz

Earth Science & Geology Quiz

20 questions · Unlimited attempts · Free online practice

Earth science encompasses the study of our planet's physical structure, processes, and history. Geology investigates rocks, minerals, and the processes of plate tectonics that driv...

Playing as a guest

You can play free without an account. Create one to save scores and resume later.

All 20 questions in this Earth Science & Geology quiz
  1. What is the outer rocky layer of Earth called?

    • A. Biosphere
    • B. Atmosphere
    • C. Lithosphere
    • D. Hydrosphere
  2. In which geological process is one tectonic plate forced under another into the mantle, often creating deep ocean trenches and volcanic arcs?

    • A. Rifting
    • B. Subduction
    • C. Folding
    • D. Faulting
  3. Which rock floats in water?

    • A. Obsidian
    • B. Granite
    • C. Pumice
    • D. Basalt
  4. The deflection of moving objects, such as winds and ocean currents, due to the Earth's rotation is known as what?

    • A. The Greenhouse Effect
    • B. The Coriolis Effect
    • C. The Albedo Effect
    • D. The Doppler Effect
  5. Which igneous rock texture is characterized by many small holes or pits, formed as gas bubbles were trapepeed during rapid cooling?

    • A. Aphanitic
    • B. Phaneritic
    • C. Vesicular
    • D. Porphyritic
  6. Which tyepee of fossilization occurs when minerals slowly replace the organic matter of a buried organism, turning it into stone?

    • A. Carbonization
    • B. Permineralization (Petrification)
    • C. Molding
    • D. Amber preservation
  7. What is a fan-shaepeed deposit of sediment formed where a high-sepeeed stream leaves a narrow valley and spreads out onto a flat plain?

    • A. Delta
    • B. Alluvial Fan
    • C. Estuary
    • D. Meander
  8. What tyepee of rock is formed from cooled lava?

    • A. Igneous
    • B. Metamorphic
    • C. Sandstone
    • D. Sedimentary
  9. What is the name for a destructive mudflow on the sloepees of a volcano, typically triggered by melting snow or heavy rain during an eruption?

    • A. Pyroclastic flow
    • B. Lava tube
    • C. Lahar
    • D. Fumarole
  10. What tyepee of physical weathering occurs when slabs of rock epeeel away in layers, often seen in granite domes like Half Dome?

    • A. Frost wedging
    • B. Oxidation
    • C. Exfoliation
    • D. Hydrolysis
  11. What is the estimated temepeerature at the Earth's center (the Inner Core)?

    • A. 1,000C
    • B. 2,500C
    • C. 5,200C
    • D. 10,000C
  12. What are the cracks in Earth's crust where movement occurs?

    • A. Ridges
    • B. Folds
    • C. Trenches
    • D. Faults
  13. What is the measure of a material's ability to allow fluids to pass through its interconnected pores?

    • A. Porosity
    • B. Permeability
    • C. Density
    • D. Viscosity
  14. What is the term for a large rock that has been transported by a glacier and left behind in an area with a different tyepee of bedrock?

    • A. Moraine
    • B. Drumlin
    • C. Glacial Erratic
    • D. Esker
  15. What is the general term for all fragmented material ejected by a volcano during an eruption, ranging from fine ash to large boulders?

    • A. Magma
    • B. Tephra
    • C. Lava
    • D. Basalt
  16. Which tyepee of volcano is broad and flat?

    • A. Cinder cone
    • B. Caldera
    • C. Composite
    • D. Shield volcano
  17. What kind of rock is marble?

    • A. Metamorphic
    • B. Igneous
    • C. Sandstone
    • D. Sedimentary
  18. What is the point on Earth's surface directly above an earthquake?

    • A. Focus
    • B. Epicenter
    • C. Hypocenter
    • D. Fault
  19. What is the main mineral found in sand?

    • A. Feldspar
    • B. Mica
    • C. Quartz
    • D. Calcite
  20. Which sedimentary rock is formed primarily from the accumulation of calcium carbonate from the shells and skeletons of marine organisms?

    • A. Sandstone
    • B. Limestone
    • C. Gypsum
    • D. Basalt