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Earth Science & Geology Quiz

Earth Science & Geology · Hard

20 questions · Unlimited attempts · Free online practice

Earth is a planet in constant motion, shaped by powerful natural forces over billions of years. Earth science and geology help us understand everything from towering mountains and...

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All 20 questions in this Earth Science & Geology quiz

Which group of unusual, soft-bodied organisms represents the earliest known complex multicellular life, appearing about 600 million years ago?
- A. Burgess Shale fauna
- B. Ediacaran biota
- C. Dinosaurs
- D. Trilobites
What is the term for the replacement of one mineral by another through the action of hydrothermal fluids, without melting the rock?
- A. Metamorphism
- B. Metasomatism
- C. Sublimation
- D. Solidification
Which glacial landform is an elongated, teardrop-shaped hill of till that points in the direction of the former ice flow?
- A. Moraine
- B. Drumlin
- C. Cirque
- D. Kettle
What is the ratio of a mineral's weight to the weight of an equal volume of water?
- A. Density
- B. Specific Gravity
- C. Molar Mass
- D. Hardness
Which dating method is most commonly used by geologists to determine the absolute age of the oldest rocks on Earth?
- A. Radiocarbon Dating
- B. Dendrochronology
- C. Uranium-Lead Dating
- D. Stratigraphy
What is the boundary between the crust and the mantle?
- A. Gutenberg
- B. Moho
- C. Core
- D. Epicenter
What is the term for a failed rift valley where the Earth's crust began to pull apart but the process stopped before an ocean could form?
- A. Graben
- B. Horst
- C. Aulacogen
- D. Syncline
Because the Richter scale is logarithmic, how much more ground motion does a magnitude 6.0 earthquake have compared to a magnitude 4.0?
- A. 2 times
- B. 20 times
- C. 100 times
- D. 1,000 times
What is the angle between the 'True North' (geographic) and 'Magnetic North' as measured at a specific location on Earth?
- A. Magnetic Inclination
- B. Magnetic Declination
- C. Magnetic Latitude
- D. Magnetic Dip
What is the name of the semi-fluid layer of the mantle directly below the lithosphere that allows tectonic plates to move?
- A. Mesosphere
- B. Asthenosphere
- C. Exosphere
- D. Inner Core
What is the name of the rare, igneous rock pipes that originate deep in the mantle and are the primary source of mined diamonds?
- A. Basalt Columns
- B. Kimberlite Pipes
- C. Obsidian Flows
- D. Tuff Beds
What was the 'Great Oxidation Event' that occurred approximately 2.4 billion years ago?
- A. A massive volcanic eruption that released oxygen
- B. The point when photosynthesis by cyanobacteria first filled the atmosphere with oxygen
- C. The first time oxygen was found in the Earth's core
- D. A period when oxygen was completely removed from the air
Which cyclical changes in the Earth's orbit and tilt are believed to be the primary drivers of the Ice Ages?
- A. Milankovitch Cycles
- B. Solar Flare Cycles
- C. The Coriolis Effect
- D. El Nio Cycles
What is the name of the 'shadow zone' where S-waves from an earthquake cannot be detected because they cannot travel through the liquid outer core?
- A. The P-wave gap
- B. The Benioff zone
- C. The S-wave shadow zone
- D. The Mohorovii discontinuity
What is the geological principle of 'Isostasy'?
- A. The idea that rocks always form in horizontal layers
- B. The state of gravitational equilibrium between Earth's crust and mantle
- C. The process of naming new minerals
- D. The speed at which tectonic plates move
What is the most abundant metal in Earth's crust?
- A. Gold
- B. Iron
- C. Aluminum
- D. Copper
During which period of the Paleozoic Era did the first land plants and insects appear, following a period of massive coral reef development?
- A. Cambrian
- B. Silurian
- C. Carboniferous
- D. Permian
What is the term for a continental margin that is not a plate boundary and is characterized by a wide continental shelf, like the U.S. East Coast?
- A. Active Margin
- B. Passive Margin
- C. Transform Margin
- D. Subduction Margin
The Earth's lithosphere is composed of which two layers?
- A. The crust and the upper-most solid mantle
- B. The outer and inner core
- C. The troposphere and stratosphere
- D. The crust and the asthenosphere
What is the study of rocks called?
- A. Pathology
- B. Petrology
- C. Biology
- D. Cytology

Earth Science & Geology Quiz

Earth Science & Geology · Hard

Time is up! Quiz Complete!

Which group of unusual, soft-bodied organisms represents the earliest known complex multicellular life, appearing about 600 million years ago?

What is the term for the replacement of one mineral by another through the action of hydrothermal fluids, without melting the rock?

Which glacial landform is an elongated, teardrop-shaped hill of till that points in the direction of the former ice flow?

What is the ratio of a mineral's weight to the weight of an equal volume of water?

Which dating method is most commonly used by geologists to determine the absolute age of the oldest rocks on Earth?

What is the boundary between the crust and the mantle?

What is the term for a failed rift valley where the Earth's crust began to pull apart but the process stopped before an ocean could form?

Because the Richter scale is logarithmic, how much more ground motion does a magnitude 6.0 earthquake have compared to a magnitude 4.0?

What is the angle between the 'True North' (geographic) and 'Magnetic North' as measured at a specific location on Earth?

What is the name of the semi-fluid layer of the mantle directly below the lithosphere that allows tectonic plates to move?

What is the name of the rare, igneous rock pipes that originate deep in the mantle and are the primary source of mined diamonds?

What was the 'Great Oxidation Event' that occurred approximately 2.4 billion years ago?

Which cyclical changes in the Earth's orbit and tilt are believed to be the primary drivers of the Ice Ages?

What is the name of the 'shadow zone' where S-waves from an earthquake cannot be detected because they cannot travel through the liquid outer core?

What is the geological principle of 'Isostasy'?

What is the most abundant metal in Earth's crust?

During which period of the Paleozoic Era did the first land plants and insects appear, following a period of massive coral reef development?

What is the term for a continental margin that is not a plate boundary and is characterized by a wide continental shelf, like the U.S. East Coast?

The Earth's lithosphere is composed of which two layers?

What is the study of rocks called?