Unit 3 Review

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What is the butterfly effect?

Back

The butterfly effect is a concept in chaos theory where small changes in initial conditions can lead to vastly different outcomes. In weather forecasting, this means that tiny variations can significantly affect weather predictions.

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What is fresh water?

Back

Fresh water is water that does not contain significant amounts of salt. It is found in lakes, rivers, and streams and is essential for drinking, agriculture, and ecosystems.

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What is precipitation?

Back

Precipitation is any form of water, liquid or solid, that falls from the atmosphere to the Earth's surface. This includes rain, snow, sleet, and hail.

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What is evaporation?

Back

Evaporation is the process by which water is converted from liquid to vapor, usually due to heat from the sun. It is a key part of the water cycle.

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What is condensation?

Back

Condensation is the process by which water vapor cools and changes back into liquid water, forming droplets. This process is essential for cloud formation.

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What are the main stages of the water cycle?

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The main stages of the water cycle include evaporation, condensation, precipitation, and collection.

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How does the sun affect the water cycle?

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The sun provides the energy needed for evaporation, which is the first step in the water cycle, and drives the movement of water vapor in the atmosphere.

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What is the role of clouds in the water cycle?

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Clouds form when water vapor condenses in the atmosphere. They play a crucial role in transporting water and eventually releasing it as precipitation.

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What is groundwater?

Back

Groundwater is water that is stored beneath the Earth's surface in soil and rock layers. It is an important source of fresh water for drinking and irrigation.

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What is the difference between salt water and fresh water?

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Salt water contains a high concentration of dissolved salts, primarily sodium chloride, and is found in oceans. Fresh water has low salt content and is found in lakes, rivers, and streams.