Geology Knowledge Quiz
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What type of rock is formed by cooling lava?
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Sedimentary
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Metamorphic
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Igneous
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Composite
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Do you know what is beneath your feet? Test your skills with our Geology Knowledge Quiz. This quiz takes you into the heart of geology, exploring the processes that shape our planet. You'll tackle questions on everything from rock formation and fossil records to earthquakes and volcanic eruptions. You’ll also discover how geologists use various tools to understand Earth’s layers See moreand the natural events that alter its surface.
Learn about the different types of minerals, how sedimentary rocks are formed, and what causes tectonic plates to shift. This quiz is designed for anyone with an interest in the natural sciences, offering a serious yet accessible way to deepen your understanding of the planet's geology. Whether you're a student, an enthusiast, or just curious about the Earth, our Geology Knowledge Quiz provides a comprehensive overview of fundamental geological concepts.
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- 2.
What measures the hardness of minerals?
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Barometer
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Hydrometer
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Mohs scale
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Seismometer
Correct Answer
A. Mohs scaleExplanation
The Mohs scale is a qualitative ordinal scale that characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. Developed by Friedrich Mohs in 1812, it ranges from talc, rated as 1, to diamond, rated as 10. This scale helps geologists identify minerals in the field by using simple scratch tests against common objects or minerals of known hardness.Rate this question:
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- 3.
Which era is known as the age of reptiles?
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Paleozoic
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Mesozoic
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Cenozoic
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Proterozoic
Correct Answer
A. MesozoicExplanation
The Mesozoic era, often called the Age of Reptiles, spans approximately 252 to 66 million years ago and includes three major periods: Triassic, Jurassic, and Cretaceous. This era is well-known for the dominance of dinosaurs, along with the development of many modern plant groups and the first birds. The Mesozoic is marked by significant geological and climatic events that influenced the evolution and eventual extinction of many species.Rate this question:
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- 4.
What is the main cause of earthquakes?
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Erosion
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Volcanism
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Tectonics
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Weathering
Correct Answer
A. TectonicsExplanation
Most earthquakes are caused by the movement of tectonic plates, which can produce stress that accumulates in the Earth's crust. When the stress exceeds the strength of rocks, it causes a sudden release of energy in the form of seismic waves, creating an earthquake. This process often occurs at fault lines, where plates are either colliding, sliding past each other, or moving apart.Rate this question:
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- 5.
Which mineral is composed primarily of silicon and oxygen?
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Quartz
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Calcite
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Pyrite
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Gypsum
Correct Answer
A. QuartzExplanation
Quartz is a mineral composed of silicon dioxide, or SiO2, and is one of the most abundant minerals in the Earth's crust. It forms at all temperatures and is present in many types of rocks including igneous, metamorphic, and sedimentary. Quartz is renowned for its hard and durable nature, making it resistant to weathering and chemically stable.Rate this question:
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- 6.
What is the study of fossils called?
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Mineralogy
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Paleontology
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Petrology
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Seismology
Correct Answer
A. PaleontologyExplanation
Paleontology is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene Epoch (roughly 11,700 years before present). It includes the study of fossils to classify organisms and study their interactions with each other and their environments. Paleontology helps to reconstruct past environments and understand the evolutionary history of life on Earth.Rate this question:
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- 7.
Which type of rock results from heat and pressure?
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Igneous
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Sedimentary
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Metamorphic
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Hydrologic
Correct Answer
A. MetamorphicExplanation
Metamorphic rocks are formed from the transformation of existing rock types, in a process called metamorphism, which means "change in form". This change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. The minerals in the original rocks undergo chemical reactions in the solid state to form new minerals. Common examples include slate from shale, schist from basalt, and gneiss from granite.Rate this question:
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- 8.
What is magma that reaches the Earth's surface called?
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Lava
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Basalt
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Crust
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Core
Correct Answer
A. LavaExplanation
Lava is molten rock that has reached the Earth's surface through volcanic vents. Unlike magma, which refers to molten rock beneath the Earth's surface, lava visibly flows out during volcanic eruptions and cools to form volcanic rock. The properties of lava, such as its viscosity and gas content, play significant roles in the types of eruptions and shapes of volcanoes formed.Rate this question:
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- 9.
Which layer of Earth is liquid?
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Crust
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Mantle
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Outer core
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Inner core
Correct Answer
A. Outer coreExplanation
The Earth's outer core is a fluid layer composed of molten iron and nickel that lies beneath the mantle and surrounds the inner core. This liquid layer is responsible for the Earth's magnetic field through the process of dynamo action, where the movement of the molten metal converts kinetic energy into magnetic energy. The fluid nature of the outer core contrasts with the solid mantle above and solid inner core within.Rate this question:
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- 10.
What process describes the movement of water through rock?
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Filtration
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Percolation
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Condensation
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Precipitation
Correct Answer
A. PercolationExplanation
Percolation describes the movement of water through porous materials such as soil, rock, or sediments. This process is essential for the recharge of aquifers, filtration of contaminants, and maintaining the hydrological cycle. Percolation rates vary depending on the permeability of the material, which influences how water can be stored and flows through the subsurface environments.Rate this question:
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Quiz Review Timeline (Updated): Feb 11, 2025 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Feb 11, 2025Quiz Edited by
ProProfs Editorial Team -
Oct 17, 2011Quiz Created by
Qeyroo
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