Our Changing Earth Flashcards
What is the primary focus of the chapter ‘Our Changing Earth’?
The chapter focuses on the various processes that change the Earth’s surface over time.
True or False: The Earth’s surface is static and does not change.
False
Fill in the blank: The process of wearing away of the Earth’s surface is known as ______.
erosion
What are the two main types of forces that cause changes on the Earth’s surface?
Endogenic forces and exogenic forces.
Multiple Choice: Which of the following is an example of an endogenic force? A) Earthquake B) River Erosion C) Wind Erosion
A) Earthquake
What is the term used for the movement of tectonic plates?
Plate tectonics
True or False: Weathering is the process of breaking down rocks without moving them.
True
Fill in the blank: _______ is the process that involves the movement of weathered materials from one place to another.
Erosion
What natural phenomenon is often caused by the movement of tectonic plates?
Earthquakes
Multiple Choice: Which of the following is NOT a type of erosion? A) Water Erosion B) Wind Erosion C) Magnetic Erosion
C) Magnetic Erosion
What is the main agent of erosion in desert areas?
Wind
True or False: Volcanoes are formed by the cooling and solidification of magma.
True
Fill in the blank: The process of ________ results in the formation of soil from rocks.
weathering
What is the difference between mechanical weathering and chemical weathering?
Mechanical weathering involves physical breakdown of rocks, while chemical weathering involves changes in the chemical composition of rocks.
Multiple Choice: Which of the following is a landform created by erosion? A) Delta B) Canyon C) Volcano
B) Canyon
What role do rivers play in shaping the landscape?
Rivers erode the land, transport sediments, and deposit them in new locations, creating various landforms.
True or False: Glaciers can also cause erosion.
True
Fill in the blank: The gradual sinking of the Earth’s surface is known as ______.
subsidence
What are the major factors that affect erosion?
Climate, vegetation, and human activities.
What is the significance of understanding the processes that change the Earth’s surface?
It helps us to manage natural resources and mitigate natural disasters.
