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Earth Science & Geology Quiz

Earth Science & Geology · Human Body Quiz

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 igneous rock texture is characterized by many small holes or pits, formed as gas bubbles were trapped during rapid cooling?
- A. Aphanitic
- B. Phaneritic
- C. Vesicular
- D. Porphyritic
What is a sedimentary deposit characterized by a coarse-to-fine upward sequence of grains, often formed by underwater landslides?
- A. Cross-bedding
- B. Graded bedding
- C. Varves
- D. Mudcracks
Which instrument measures humidity?
- A. Barometer
- B. Altimeter
- C. Hygrometer
- D. Anemometer
Which type 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
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
What is the term for a large rock that has been transported by a glacier and left behind in an area with a different type of bedrock?
- A. Moraine
- B. Drumlin
- C. Glacial Erratic
- D. Esker
What are the giant waves caused by undersea earthquakes?
- A. Tides
- B. Tsunamis
- C. Rip curls
- D. Currents
What is the hardest natural mineral?
- A. Diamond
- B. Gold
- C. Quartz
- D. Topaz
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
What are the cracks in Earth's crust where movement occurs?
- A. Ridges
- B. Folds
- C. Trenches
- D. Faults
Which part of the plant absorbs water and minerals?
- A. Stem
- B. Leaf
- C. Root
- D. Flower
Which rock floats in water?
- A. Obsidian
- B. Granite
- C. Pumice
- D. Basalt
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 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 principle states that a geologic feature (like a fault or an intrusion) must be younger than the rock it cuts through?
- A. Law of Superposition
- B. Law of Cross-Cutting Relationships
- C. Law of Inclusions
- D. Law of Original Horizontality
What is the estimated temperature at the Earth's center (the Inner Core)?
- A. 1,000C
- B. 2,500C
- C. 5,200C
- D. 10,000C
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 kind of rock is marble?
- A. Metamorphic
- B. Igneous
- C. Sandstone
- D. Sedimentary
Which mineral is used as the standard for a hardness of 10 on the Mohs scale, making it the hardest naturally occurring substance?
- A. Quartz
- B. Topaz
- C. Diamond
- D. Corundum
Which geological cycle describes the periodic opening and closing of ocean basins due to plate tectonics?
- A. The Rock Cycle
- B. The Wilson Cycle
- C. The Hydrologic Cycle
- D. The Milankovitch Cycle

Earth Science & Geology Quiz

Earth Science & Geology · Human Body Quiz

Time is up! Quiz Complete!

Which igneous rock texture is characterized by many small holes or pits, formed as gas bubbles were trapped during rapid cooling?

What is a sedimentary deposit characterized by a coarse-to-fine upward sequence of grains, often formed by underwater landslides?

Which instrument measures humidity?

Which type of fossilization occurs when minerals slowly replace the organic matter of a buried organism, turning it into stone?

Which sedimentary rock is formed primarily from the accumulation of calcium carbonate from the shells and skeletons of marine organisms?

What is the term for a large rock that has been transported by a glacier and left behind in an area with a different type of bedrock?

What are the giant waves caused by undersea earthquakes?

What is the hardest natural mineral?

In which geological process is one tectonic plate forced under another into the mantle, often creating deep ocean trenches and volcanic arcs?

What are the cracks in Earth's crust where movement occurs?

Which part of the plant absorbs water and minerals?

Which rock floats in water?

What is the geological principle of 'Isostasy'?

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

Which principle states that a geologic feature (like a fault or an intrusion) must be younger than the rock it cuts through?

What is the estimated temperature at the Earth's center (the Inner Core)?

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 kind of rock is marble?

Which mineral is used as the standard for a hardness of 10 on the Mohs scale, making it the hardest naturally occurring substance?

Which geological cycle describes the periodic opening and closing of ocean basins due to plate tectonics?