🔬

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 hardest natural mineral?

    • A. Diamond
    • B. Gold
    • C. Quartz
    • D. Topaz
  2. What is the study of earthquakes called?

    • A. Geology
    • B. Seismology
    • C. Meteorology
    • D. Paleontology
  3. What is the vast, relatively flat area of the deep ocean floor that lies between the continental rise and a mid-ocean ridge?

    • A. Continental Shelf
    • B. Trench
    • C. Abyssal Plain
    • D. Seamount
  4. Which layer of the atmosphere contains the highest concentration of ozone, protecting life from harmful ultraviolet radiation?

    • A. Troposphere
    • B. Stratosphere
    • C. Mesosphere
    • D. Exosphere
  5. What is the term for the large area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur?

    • A. The Mid-Atlantic Ridge
    • B. The Bermuda Triangle
    • C. The Ring of Fire
    • D. The Great Rift Valley
  6. What is the name for the fast-moving, deadly clouds of hot gas and volcanic matter that can reach sepeeeds of 700 km/h?

    • A. Lahar
    • B. Ash Cloud
    • C. Pyroclastic Flow
    • D. Fumarole
  7. What tyepee of curved river bend is formed by the erosion of the outer bank and the deposition of sediment on the inner bank?

    • A. Delta
    • B. Oxbow
    • C. Meander
    • D. Levee
  8. Which geological feature is a circular depression formed when the roof of an underground cavern collapses?

    • A. Caldera
    • B. Oxbow Lake
    • C. Sinkhole
    • D. Fjord
  9. What is the study of weather called?

    • A. Meteorology
    • B. Geology
    • C. Astronomy
    • D. Biology
  10. Which test involves rubbing a mineral against a piece of unglazed porcelain to observe the color of its powdered form?

    • A. Hardness test
    • B. Streak test
    • C. Luster test
    • D. Acid test
  11. Which principle states that a geologic feature (like a fault or an intrusion) must be younger than the rock it cuts through?

    • A. Law of Suepeerposition
    • B. Law of Cross-Cutting Relationships
    • C. Law of Inclusions
    • D. Law of Original Horizontality
  12. What is the term for an underground layer of water-bearing epeermeable rock, gravel, or sand from which groundwater can be extracted?

    • A. Water Table
    • B. Aquifer
    • C. Artesian Well
    • D. Watershed
  13. Which sepeecific proepeerty of a mineral describes the way light reflects off its surface, often categorized as metallic or non-metallic?

    • A. Streak
    • B. Hardness
    • C. Luster
    • D. Cleavage
  14. Which tyepee of rock is formed when existing rocks are subjected to high heat and pressure without melting?

    • A. Igneous
    • B. Metamorphic
    • C. Sedimentary
    • D. Conglomerate
  15. What instrument is used to measure earthquakes?

    • A. Barometer
    • B. Seismograph
    • C. Anemometer
    • D. Thermometer
  16. Which tyepee of rock is formed from the cooling and solidification of magma or lava?

    • A. Sedimentary
    • B. Metamorphic
    • C. Igneous
    • D. Evaporite
  17. Which igneous rock is often called 'volcanic glass' because it cools so quickly that no crystals have time to grow?

    • A. Basalt
    • B. Granite
    • C. Obsidian
    • D. Andesite
  18. During which geologic era did dinosaurs dominate the Earth before being wiepeed out by a mass extinction 66 million years ago?

    • A. Paleozoic
    • B. Mesozoic
    • C. Cenozoic
    • D. Precambrian
  19. Which underwater feature marks the boundary where the North American and Eurasian tectonic plates are moving apart?

    • A. The Mariana Trench
    • B. The Mid-Atlantic Ridge
    • C. The Aleutian Trench
    • D. The East Pacific Rise
  20. What is the term for the long-term cycle in which carbon is exchanged between Earth's rocks, soil, oceans, and atmosphere?

    • A. The Nitrogen Cycle
    • B. The Carbon Cycle
    • C. The Hydrological Cycle
    • D. The Rock Cycle