Technology that Limits the Impact of Forces on the Earth

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What is GIS (Geographic Information Systems)?

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A technology that analyzes and displays geographic data to help understand spatial relationships and patterns, often used for predicting flooding and other environmental impacts.

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How do satellites help predict severe weather?

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Satellites monitor weather patterns and provide data that can predict storms, hurricanes, and other severe weather events.

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What does a seismograph measure?

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A seismograph measures the strength and duration of seismic waves produced by earthquakes.

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What is the Richter Scale?

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A logarithmic scale used to measure the magnitude of earthquakes based on the amplitude of seismic waves.

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What is soil erosion?

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The process by which soil is removed from the Earth's surface by wind, water, or human activity.

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What are some methods to prevent soil erosion?

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Planting vegetation, terracing, and building dams are effective methods to prevent soil erosion.

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Why is planting vegetation effective against soil erosion?

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Vegetation helps hold the soil in place with roots, reducing the impact of wind and water.

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What is the purpose of terracing?

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Terracing involves creating flat areas on slopes to slow down water runoff and reduce soil erosion.

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What is the least effective method for preventing soil erosion?

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Putting up fences is the least effective method for preventing soil erosion compared to other methods.

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What information can scientists gather from seismographs placed along a mountain chain?

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They can determine where faults occur, which are fractures in the Earth's crust where earthquakes can happen.