Science- Geology Rocks Pretest
There are different sets of rock on the earth surface and each have a distinct way in which they were formed. The earth itself has layers that help it sustain life as we know it. How attentive have you been in geology especially on the topic of rocks? Take up this quiz and get to test your understanding. All the best!
- 1.
What are the layers of the earth in order from the inside tothe outside?
- A.
Mantle, crust, outer core, inner core
- B.
Crust, mantle, outer core, inner core
- C.
Outer core, mantle, crust, inner core
- D.
Inner core, outer core, mantle, crust
Correct Answer
D. Inner core, outer core, mantle, crustExplanation
The correct answer is "inner core, outer core, mantle, crust." The layers of the Earth are arranged in order from the inside to the outside. The inner core is the innermost layer, followed by the outer core, then the mantle, and finally the crust. This order is based on the Earth's composition and structure, with each layer having distinct characteristics and properties.Rate this question:
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- 2.
Which is a characteristic of a rock?
- A.
A solid material that is formed by nature in or on earth’s crust.
- B.
A material that always has a crystal form.
- C.
A material formed by a living thing.
- D.
A material that is non-solid.
Correct Answer
A. A solid material that is formed by nature in or on earth’s crust.Explanation
A rock is a solid material that is formed by nature in or on Earth's crust. This means that it is not man-made or artificially created, but rather occurs naturally through geological processes. Rocks can be composed of various minerals and can have different textures and appearances. They are an essential part of the Earth's geology and play a significant role in shaping the planet's surface and providing valuable resources.Rate this question:
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- 3.
Which of the following is not a property of minerals?
- A.
Hardness
- B.
Streak
- C.
Weathering
- D.
Luster
Correct Answer
C. WeatheringExplanation
Weathering is not a property of minerals. Weathering refers to the process of breaking down rocks and minerals on the Earth's surface through exposure to weather conditions such as rain, wind, and temperature changes. It is a geological process that affects minerals but is not an inherent property of minerals themselves. Hardness, streak, and luster, on the other hand, are all physical properties that can be used to identify and classify minerals.Rate this question:
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- 4.
Which characteristic is the same for rocks and minerals?
- A.
They are both made from plant and animal remains.
- B.
They are both solids that come in all different shapes and sizes.
- C.
They both change with pressure and heat.
- D.
Both are man made
Correct Answer
B. They are both solids that come in all different shapes and sizes.Explanation
Rocks and minerals share the characteristic of being solids that come in all different shapes and sizes. This means that both rocks and minerals are not in a liquid or gaseous state, and they can vary in their physical appearance, such as their shape and size. This characteristic distinguishes them from substances that are not solid or do not have a defined shape and size.Rate this question:
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- 5.
Which of the following is not an effect of water erosion?
- A.
It carves out canyons.
- B.
It creates gullies and rivers.
- C.
It can form a delta at the mouth of a river.
- D.
It forms sand dunes.
Correct Answer
D. It forms sand dunes.Explanation
Water erosion is the process by which water wears away the land surface. It is responsible for carving out canyons, creating gullies and rivers, and forming deltas at the mouth of rivers. However, the formation of sand dunes is not a direct effect of water erosion. Sand dunes are typically formed by wind action, not water. Therefore, the statement "it forms sand dunes" is not an effect of water erosion.Rate this question:
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- 6.
Which of the following is the process of weathering?
- A.
Tracking temperature patterns of an area.
- B.
Breaking up of rocks on the earth’s surface.
- C.
Transporting sediments to new locations.
- D.
Dropping sediments in new locations.
Correct Answer
B. Breaking up of rocks on the earth’s surface.Explanation
The process of weathering refers to the breaking up of rocks on the earth's surface. Weathering can occur through various mechanisms such as physical, chemical, and biological processes. Physical weathering involves the physical breakdown of rocks into smaller pieces, while chemical weathering involves the alteration of rock composition through chemical reactions. Biological weathering occurs when living organisms contribute to the breakdown of rocks. Therefore, breaking up of rocks on the earth's surface is the correct answer as it accurately describes the process of weathering.Rate this question:
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- 7.
Which of the following is not a cause of erosion?
- A.
Gravity
- B.
Water
- C.
Wind
- D.
Plant roots
Correct Answer
D. Plant rootsExplanation
Plant roots are not a cause of erosion because they actually help prevent erosion. The roots of plants bind the soil together, creating a stable structure that resists the forces of erosion caused by gravity, water, and wind. Additionally, plant roots absorb excess water from the soil, reducing the likelihood of surface runoff and erosion. Therefore, while gravity, water, and wind can all contribute to erosion, plant roots play a protective role in preventing erosion.Rate this question:
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- 8.
Which of the following does not make up soil?
- A.
Minerals
- B.
Decayed plants and animals
- C.
Rocks
- D.
Magma
Correct Answer
D. MagmaExplanation
Magma does not make up soil because it is a molten rock substance found beneath the Earth's surface. Soil is formed from the weathering and decomposition of rocks, along with the accumulation of organic matter such as decayed plants and animals. While minerals and rocks are components of soil, magma is not directly involved in the formation of soil.Rate this question:
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- 9.
Identify which of the combinations would become part of soil over time.
- A.
Stick, rock, can
- B.
Twig, leaf, pebble
- C.
Dead insect, plastic bag, sand
- D.
Glass bottle, apple, grass
Correct Answer
B. Twig, leaf, pebbleExplanation
The combination of twig, leaf, and pebble would become part of the soil over time. Twigs and leaves are organic materials that decompose and contribute to the organic matter in the soil. Pebbles, although not organic, can weather and break down into smaller particles, eventually becoming part of the soil composition.Rate this question:
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- 10.
How does erosion change a beach?
- A.
Waves move and carry sediments to new locations, changing the length of the beach.
- B.
Waves create sand dunes which block the ocean.
- C.
Waves move the tectonic plates and cause earthquakes.
- D.
Waves push the sand farther up on the beach making it wider.
Correct Answer
A. Waves move and carry sediments to new locations, changing the length of the beach.Explanation
Erosion refers to the process of wearing away or breaking down of land surfaces through natural forces such as wind, water, or ice. In the context of a beach, erosion occurs when waves continuously move and carry sediments (such as sand) to different locations along the shoreline. This movement of sediments can result in the length of the beach changing over time, as some areas may experience accretion (gain of sediment) while others may undergo erosion (loss of sediment). Therefore, the correct answer states that erosion changes the length of the beach by moving and redistributing sediments.Rate this question:
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- 11.
Which is the process of dropping sediments in new locations?
- A.
Erosion
- B.
Weathering
- C.
Deposition
- D.
Rock cycle
Correct Answer
C. DepositionExplanation
Deposition is the process of dropping sediments in new locations. This occurs when eroded materials such as rocks, soil, and sand are transported by wind, water, or ice and then settle down in a different area. It is an important geological process that contributes to the formation of various landforms, including deltas, beaches, and alluvial plains. Deposition plays a crucial role in shaping the Earth's surface and can occur in both terrestrial and aquatic environments.Rate this question:
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- 12.
Which of the following is the process of moving sediment from one location to another?
- A.
Erosion
- B.
Weathering
- C.
Deposition
- D.
Rock cycle
Correct Answer
A. ErosionExplanation
Erosion is the process of moving sediment from one location to another. It involves the wearing away and transportation of rocks, soil, and other materials by wind, water, ice, or gravity. This movement of sediment can result in the formation of new landforms such as valleys, canyons, and deltas. Erosion plays a crucial role in shaping the Earth's surface over long periods of time.Rate this question:
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- 13.
Which of the following is an effect of ice erosion?
- A.
It causes mudslides.
- B.
It creates sand dunes.
- C.
It makes valleys in the mountains.
- D.
It creates arches and natural bridges.
Correct Answer
C. It makes valleys in the mountains.Explanation
Ice erosion refers to the process of glaciers and ice sheets wearing away the land surface. As ice moves down the mountains, it exerts pressure on the rocks, causing them to break and loosen. Over time, this continuous movement and pressure result in the formation of deep valleys in the mountains. The weight and movement of the ice also contribute to the carving of U-shaped valleys, where the base is wider than the top. Therefore, the effect of ice erosion is the creation of valleys in the mountains.Rate this question:
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- 14.
Which is not an effect of wind erosion?
- A.
It removes and shapes Earth’s surface.
- B.
It creates arches and natural bridges.
- C.
It carves out canyons.
- D.
It creates sand dunes.
Correct Answer
C. It carves out canyons.Explanation
Wind erosion is a geological process that involves the movement and transportation of sediment by the force of wind. It primarily affects the Earth's surface by removing and shaping it, creating arches and natural bridges, and forming sand dunes. However, wind erosion is not typically responsible for carving out canyons. Canyons are usually formed by other erosional processes such as water erosion, tectonic activity, or glacial activity. Therefore, the statement "it carves out canyons" is not an effect of wind erosion.Rate this question:
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Mar 20, 2023Quiz Edited by
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Nov 10, 2009Quiz Created by
Miket777
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