Constructive and Destructive Forces

What is a geological fault?

• A type of rock formation that is resistant to erosion.

• A fracture in the Earth's crust along which movement has occurred, causing earthquakes.

• A volcanic vent that releases magma and gases.

• A layer of sedimentary rock that contains fossils.

How does ice contribute to erosion?

• Ice erodes the landscape by melting and washing away soil.

• Ice can erode the landscape by freezing in cracks of rocks and expanding, causing the rocks to break apart.

• Ice contributes to erosion by creating rivers that flow over rocks.

• Ice has no effect on erosion as it does not interact with rocks.

What is weathering?

• The process of breaking down rocks and minerals into smaller pieces by natural processes like wind, water, and temperature changes.

• The formation of new rocks from molten lava.

• The movement of rocks from one place to another due to gravity.

• The process of plants growing on rocks to create soil.

What is erosion?

• A process that adds soil and rock to the Earth's surface.

• The process by which soil and rock are removed from the Earth's surface by wind, water, or ice.

• A method of planting crops in rows to prevent soil loss.

• The natural formation of mountains and valleys over time.

What is a canyon?

• A deep valley with steep sides, often formed by the erosion of a river over a long period.

• A flat area of land with few trees and vegetation.

• A large body of water surrounded by land.

• A mountain range that is formed by tectonic activity.

What are destructive forces?

• Natural processes that build up the Earth's surface, such as volcanic activity.

• Natural processes that break down or wear away the Earth's surface, such as erosion and weathering.

• Human activities that alter the landscape, such as construction and mining.

• Natural phenomena that have no impact on the Earth's surface.

What can cause a canyon to form?

• Erosion caused by rivers cutting through rock over millions of years.

• Volcanic activity creating a large crater.

• Tectonic plate movements pushing land upwards.

• Glacial activity scraping the surface of the earth.

What are constructive forces?

• Natural processes that build up the Earth's surface, such as volcanic eruptions and sediment deposition.

• Natural processes that erode the Earth's surface, such as weathering and erosion.

• Human activities that alter the landscape, such as mining and construction.

• Natural disasters that cause destruction, such as earthquakes and tsunamis.

How do plant roots affect rocks?

• They provide nutrients to the rocks.

• They can grow into cracks in rocks, and as they expand, they can break the rocks apart.

• They help in the formation of rocks.

• They have no effect on rocks.

What is the significance of understanding constructive and destructive forces?

• It helps us understand how to build stronger structures.

• It aids in predicting weather patterns more accurately.

• Understanding these forces helps us comprehend how the Earth's surface changes over time and the impact on ecosystems.

• It allows us to determine the best locations for agriculture.