The Ultimate Test Questios On Earth Science! Trivia
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Earth science is a very interesting subject, and once you understand much of it, then your thirst for it will never end. I am a super fan of earth science, are you? Take up the quiz below and see if you are an ultimate fan when it comes to earth science or just a beginner who doesn’t know what earth science entails.
Questions and Answers
- 1.
Which layer of Earth's atmosphere is the very edge of space?
- A.
Exosphere
- B.
Ionosphere
- C.
Troposphere
- D.
Stratosphere
Correct Answer
A. ExosphereExplanation
The exosphere is the outermost layer of Earth's atmosphere, extending from about 500 kilometers above the surface to the edge of space. It is characterized by extremely low density and high temperatures. The exosphere is where the atmosphere gradually merges with the vacuum of space, making it the very edge of space.Rate this question:
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- 2.
What is the release of water vapor from plants called?
- A.
Transpiration
- B.
Friction
- C.
Condensation
- D.
Aspiration
Correct Answer
A. TranspirationExplanation
Transpiration is the process by which plants release water vapor into the atmosphere through their leaves. It occurs primarily through small openings called stomata, which are found on the surface of leaves. Transpiration is an essential process for plants as it helps in the absorption of nutrients, cooling of leaves, and maintaining the plant's shape and structure.Rate this question:
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- 3.
What winds in California are responsible for forest fires during the winter?
- A.
Santo Domingo
- B.
Santa Ana
- C.
La Nina
- D.
El Nino
Correct Answer
B. Santa AnaExplanation
The Santa Ana winds in California are responsible for forest fires during the winter. These winds are strong, dry, and warm, originating from the high-pressure system over the Great Basin. As they blow towards the coast, they cause a decrease in humidity and increase the risk of fire. The dry conditions combined with the gusty winds can quickly spread wildfires, making the Santa Ana winds a significant factor in the occurrence and severity of forest fires in California during the winter months.Rate this question:
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- 4.
What is the organized history of the Earth called?
- A.
Geological History Scale
- B.
Geographical Watcher
- C.
Geologic Time Scale
- D.
Biosphere
Correct Answer
C. Geologic Time ScaleExplanation
The organized history of the Earth is called the Geologic Time Scale. This scale categorizes and organizes the Earth's history into different time intervals, such as eras, periods, and epochs. It provides a framework for scientists to study and understand the Earth's geological processes, the evolution of life, and the occurrence of major events throughout history. The Geologic Time Scale is an essential tool for geologists and paleontologists to interpret and analyze the Earth's past.Rate this question:
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- 5.
How old do scientists think the Earth is?
- A.
460 Thousand Years Old
- B.
4.6 Billion Years Old
- C.
46 Billion Years Old
- D.
4.6 Million Years Old
Correct Answer
B. 4.6 Billion Years OldExplanation
Scientists believe that the Earth is 4.6 billion years old. This estimation is based on various scientific methods and evidence, such as radiometric dating of rocks and minerals, studying the formation of the solar system, and analyzing the age of meteorites. These techniques provide a reliable understanding of the Earth's age and have been widely accepted by the scientific community.Rate this question:
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- 6.
What is the current era in the geologic time scale?
- A.
Ozonic Era
- B.
Mesozoic Era
- C.
Cenozoic Era
- D.
Paleozoic Era
Correct Answer
C. Cenozoic EraExplanation
The current era in the geologic time scale is the Cenozoic Era. This era began approximately 66 million years ago and is characterized by the diversification and dominance of mammals, including humans. It is also known as the "Age of Mammals" and is marked by significant climate change, the evolution of modern plant and animal species, and the formation of major mountain ranges. The Cenozoic Era is still ongoing and encompasses the present time.Rate this question:
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- 7.
What is the sediment left behind after a glacier moves through an area called?
- A.
Sedimentaries
- B.
Moraines
- C.
Icebergs
- D.
Movines
Correct Answer
B. MorainesExplanation
When a glacier moves through an area, it picks up and carries along various types of sediment such as rocks, soil, and debris. As the glacier melts or retreats, it deposits this sediment in the form of ridges or mounds called moraines. Moraines are composed of a mixture of different-sized particles that were transported and then left behind by the glacier. They provide valuable information about the movement and behavior of glaciers in the past.Rate this question:
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- 8.
What is the common name for the Cenozoic Era?
- A.
The Age Of Mammals
- B.
Mammoth Ages
- C.
The Age Of Man
- D.
The Age Of Fish
Correct Answer
A. The Age Of MammalsExplanation
The Cenozoic Era is commonly known as the Age of Mammals because it is a geological era that began after the extinction of the dinosaurs and saw the rise and dominance of mammals on Earth. This era is characterized by the diversification and evolution of various mammalian species, including early primates and eventually humans. The term "The Age of Mammals" accurately describes this era and its significant biological developments.Rate this question:
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- 9.
What soft brown coal that has lost all of its moisture called?
- A.
Sedimentation Rock
- B.
Natural Gas
- C.
Lignite
- D.
Peat
Correct Answer
C. LigniteExplanation
Lignite is the correct answer because it is a soft brown coal that has lost all of its moisture. It is also known as brown coal and is formed from peat through the process of coalification. Lignite has a lower carbon content and higher moisture content compared to other types of coal. It is commonly used for electricity generation and is considered a lower-grade coal.Rate this question:
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- 10.
Which age is known as the "Age of Fish"?
- A.
Triassic Period
- B.
Mesozoic Era
- C.
Cenozoic Era
- D.
Paleozoic Era
Correct Answer
D. Paleozoic EraExplanation
During the Paleozoic Era, which lasted from about 541 million to 252 million years ago, fish became the dominant form of marine life. This era is often referred to as the "Age of Fish" because it saw the diversification and evolution of various types of fish, including jawless fish, armored fish, and early bony fish. These fish played a crucial role in shaping the marine ecosystems of that time and laid the foundation for the future evolution of vertebrates.Rate this question:
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- 11.
What type of fossils give only evidence of activities of past living creatures?
- A.
Mold Fossils
- B.
Jump Fossils
- C.
Trace Fossils
- D.
Hard Fossils
Correct Answer
C. Trace FossilsExplanation
Trace fossils are a type of fossil that provide evidence of activities or behaviors of past living creatures, rather than the actual remains of the organisms themselves. These fossils can include footprints, burrows, tracks, and other traces left behind by animals. They give insights into the behavior, movement, and interactions of ancient organisms, allowing scientists to reconstruct their lives and ecosystems. Mold fossils, jump fossils, and hard fossils do not specifically provide evidence of past activities, making trace fossils the correct answer.Rate this question:
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- 12.
What type of rock forms from melted rock and comes to the surface to harden?
- A.
Slow Rock
- B.
Sedimentary Rock
- C.
Metamorphic Rock
- D.
Igneous Rock
Correct Answer
D. Igneous RockExplanation
Igneous rock forms from melted rock, known as magma or lava, that cools and solidifies either beneath the Earth's surface or on the surface itself. This process can occur through volcanic activity or when magma cools and solidifies within the Earth's crust. As a result, igneous rocks are formed, such as granite, basalt, and obsidian. These rocks are characterized by their crystalline structure and can have various textures depending on the rate of cooling.Rate this question:
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- 13.
What do we call rain-giving clouds?
- A.
Stratus
- B.
Cumulus
- C.
Cirrus
- D.
Nimbus
Correct Answer
D. NimbusExplanation
Nimbus clouds are commonly known as rain-giving clouds. These clouds are characterized by their dark and thick appearance, indicating that they are filled with water droplets. When nimbus clouds form, they often bring precipitation such as rain, snow, or hail. Therefore, the correct answer to the question is Nimbus.Rate this question:
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- 14.
What is the ability of fluids to flow through soil called?
- A.
Running Ability
- B.
Flow Capacity
- C.
Permeability
- D.
Permanence
Correct Answer
C. PermeabilityExplanation
Permeability refers to the ability of fluids to flow through soil. It is a measure of how easily a fluid can move through the spaces or pores within the soil. This property is important in various fields such as geology, civil engineering, and environmental science, as it affects the movement of water, contaminants, and gases through soil. Permeability is determined by factors like the size and arrangement of soil particles, the presence of clay or organic matter, and the degree of compaction.Rate this question:
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- 15.
What is mining near the Earth's surface called?
- A.
Soil Mining
- B.
Strip Mining
- C.
Earthy Mining
- D.
Dirty Mining
Correct Answer
B. Strip MiningExplanation
Strip mining is the correct answer because it refers to the process of extracting minerals or resources that are located near the Earth's surface. This method involves removing the overlying layers of soil or rock to access the desired materials. It is commonly used for extracting coal, oil sands, and other valuable minerals. The term "strip mining" accurately describes the practice of stripping away the surface layers to access the resources beneath.Rate this question:
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- 16.
What type of landscaping is used to help conserve moisture?
- A.
Chlorination
- B.
Desalination
- C.
Xeriscaping
- D.
Desertification
Correct Answer
C. XeriscapingExplanation
Xeriscaping is a type of landscaping that is used to help conserve moisture. It involves using plants and techniques that are adapted to arid conditions, reducing the need for excessive watering. Xeriscaping typically includes using native plants, mulching to retain moisture, and implementing efficient irrigation systems. This type of landscaping helps to conserve water and reduce the overall water usage in landscaping, making it an effective method for conserving moisture.Rate this question:
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