Science Quiz: Practice Questions On Physical Weathering!

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Science Quiz: Practice Questions On Physical Weathering! - Quiz

Know about agent of physical weathering, how physical weathering occurs, and what the results of physical weathering are.

Questions and Answers

1.

What is physical weathering?
- A.
  
  The breakdown of rock material by chemical and physical means.
- B.
  
  The wearing away of rock material by the action of another rock.
- C.
  
  The process by whick rock is broken down into smaller pieces by physical changes.
- D.
  
  The breakdown of rock by chemical means.
Correct Answer
C. The process by whick rock is broken down into smaller pieces by physical changes.

Explanation
Physical weathering is the process by which rock is broken down into smaller pieces by physical changes. This can occur through various mechanisms such as temperature changes, freeze-thaw cycles, abrasion by wind or water, and the growth of plant roots. These physical changes cause the rock to fracture and break apart into smaller fragments without altering its chemical composition. This process is different from chemical weathering, which involves the breakdown of rock through chemical reactions.

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2.

What is the term used for when an animal burrows deep underground?
- A.
  
  Abrasion
- B.
  
  Pressure Change
- C.
  
  Animal Action
- D.
  
  Plant Growth
Correct Answer
C. Animal Action

Explanation
Animal Action is the term used when an animal burrows deep underground. This refers to the physical movement and behavior of animals that dig or create burrows in order to live, hide, or find food. Animals such as moles, rabbits, and groundhogs are known for their burrowing abilities, which allow them to create tunnels and underground chambers for various purposes.

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3.

What term would you use for when rocks are tumbled in water.
- A.
  
  Erosion
- B.
  
  Abrasion
- C.
  
  Oxidation
- D.
  
  Pressure Change
Correct Answer
B. Abrasion

Explanation
Abrasion is the correct answer because it refers to the process of rocks being tumbled or worn down by the action of water. This can occur when rocks are carried by water currents and collide with each other or with other surfaces, causing them to become smoother and smaller over time. Erosion, oxidation, and pressure change are not specifically related to the tumbling of rocks in water.

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4.

What causes water to flow downhill.
- A.
  
  Gravity
- B.
  
  Deposition
- C.
  
  Deposition and Erosion
- D.
  
  Erosion
Correct Answer
A. Gravity

Explanation
Gravity is the force that causes water to flow downhill. Gravity pulls objects towards the center of the Earth, and water naturally follows this pull. As a result, water always seeks the lowest possible point, which is why it flows downhill. The force of gravity acts as a constant driving force for the movement of water, allowing it to flow from higher elevations to lower elevations.

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5.

What are the five agents of erosion?
- A.
  
  Gravity, plant acids, ice, temperature, and waves.
- B.
  
  Talus slope, drumlin, dunes, delta, and beach.
- C.
  
  Deposition, erosion, abrasion, chemical weathering, and water.
- D.
  
  Gravity, glaciers, wind, water, and waves.
Correct Answer
D. Gravity, glaciers, wind, water, and waves.

Explanation
The correct answer is "gravity, glaciers, wind, water, and waves." These five agents of erosion are responsible for shaping the Earth's surface. Gravity causes materials to move downhill, glaciers carve out valleys and create landforms, wind carries and deposits sediment, water erodes and transports sediment, and waves erode coastlines. Together, these agents play a significant role in the continuous process of erosion and the formation of various landforms.

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6.

What is frost wedging?
- A.
  
  Precipitaion filled with acids from the air.
- B.
  
  Change in temperature.
- C.
  
  The process where water frezzes into cracks and expands the rock from within.
- D.
  
  Plant and Animal Action
Correct Answer
C. The process where water frezzes into cracks and expands the rock from within.

Explanation
Frost wedging is the process where water freezes into cracks and expands the rock from within. When water seeps into cracks in rocks and freezes, it expands as it turns into ice. This expansion exerts pressure on the surrounding rock, causing it to crack and break apart. Over time, repeated cycles of freezing and thawing can lead to the gradual disintegration of rocks through frost wedging. This process is particularly effective in regions with fluctuating temperatures, such as mountainous areas, where the expansion and contraction of ice can cause significant damage to rocks.

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1
0
7.

What is a proper example of physical weathering?
- A.
  
  The formation of the Grand Canyon.
- B.
  
  Rust on an old nail.
- C.
  
  Stalagmites and Stalactites
- D.
  
  Acid Precipitation
Correct Answer
A. The formation of the Grand Canyon.

Explanation
The formation of the Grand Canyon is a proper example of physical weathering because it is primarily the result of the mechanical forces of erosion, such as water and wind, breaking down and wearing away the rock layers over time. This process involves the physical breaking and disintegration of rock into smaller pieces, leading to the formation of the deep and wide canyon.

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8.

What procces DOES NOT cause rock to be seperated by physical means.
- A.
  
  Oxidation
- B.
  
  Acid precipitation
- C.
  
  Chemical weathering
- D.
  
  All of the above
Correct Answer
D. All of the above

Explanation
The process that does not cause rock to be separated by physical means is "all of the above." This means that oxidation, acid precipitation, and chemical weathering are all processes that do not physically separate rocks. Instead, they involve chemical reactions or changes in composition that can weaken or break down rocks over time, but do not involve physical forces or movements that physically separate the rocks.

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9.

What does the rate of weathering depend on?
- A.
  
  Climate, day, population.
- B.
  
  Composition off rocks, climate, amount of time, amout of exposure.
- C.
  
  Erosion and deposition
- D.
  
  Delta, valleys, canyons.
Correct Answer
B. Composition off rocks, climate, amount of time, amout of exposure.

Explanation
The rate of weathering depends on several factors including the composition of rocks, climate, the amount of time, and the amount of exposure. Different types of rocks have different susceptibilities to weathering, with some being more resistant than others. Climate plays a role as well, as certain weather conditions like temperature and precipitation can accelerate or slow down the process. The amount of time that rocks are exposed to these weathering factors also affects the rate at which they break down. Overall, these factors interact to determine the rate of weathering.

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10.

What is the rate of weathering?
- A.
  
  How slow something is
- B.
  
  How fast an animal deceases.
- C.
  
  How tall a human can get.
- D.
  
  How fast the weathering of an object occurs.
Correct Answer
D. How fast the weathering of an object occurs.

Explanation
The rate of weathering refers to how fast the weathering process occurs on an object. Weathering is the breakdown and alteration of rocks and minerals on the Earth's surface due to various factors such as temperature changes, water, wind, and chemical reactions. The rate of weathering can vary depending on the type of rock or mineral, climate conditions, and the presence of organisms. Therefore, the correct answer is "how fast the weathering of an object occurs."

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Current Version
Mar 21, 2023

Quiz Edited by
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Feb 11, 2015

Quiz Created by
Zahidimran

Science Quiz: Practice Questions On Physical Weathering!

What is physical weathering?

What is the term used for when an animal burrows deep underground?

What term would you use for when rocks are tumbled in water.

What causes water to flow downhill.

What are the five agents of erosion?

What is frost wedging?

What is a proper example of physical weathering?

What procces DOES NOT cause rock to be seperated by physical means.

What does the rate of weathering depend on?

What is the rate of weathering?