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Study Guide for Unit 1 Test: Introduction to Ear ...

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    Earth's spheres
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  • The picture shows the water cycle. In which two parts of the water cycle does the water change state as it moves?
    Part A (evaporation) & Part B (condensation)
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  • The picture shows the water cycle. In which part of the water cycle is the hydrosphere interacting with the geosphere through the process of surface runoff?
    Part G
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  • The picture shows the water cycle. In which part of the water cycle is the hydrosphere interacting with the biosphere through the process of transpiration?
    Part D
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  • The picture shows the water cycle. In which part of the water cycle is the hydrosphere interacting with the geosphere through the process of infiltration?
    Part E
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  • How is the sun the driving force in the water cycle?
    Its heat causes surface water to evaporate.
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  • Describe the process of condensation in the water cycle.
    After rising into the atmosphere, water cools and changes state from a gas to a liquid, forming clouds.
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  • Describe the process of evaporation in the water cycle.
    Heat from the sun causes water on Earth's surface to change state from a liquid to a gas, causing it to rise into the atmosphere.
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  • Describe the process of precipitation in the water cycle.
    When the water droplets in the clouds get too heavy to remain in the air, gravity pulls them back to Earth's surface in the form of rain, snow, sleet, or hail.
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  • The picture shows the water cycle. In which part of the water cycle is the hydrosphere interacting with the geosphere through the process of groundwater flow?
    Part F
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  • What are the two main energy sources that keep matter cycling through Earth's systems?
    Heat from the sun and heat from inside the Earth
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  • What is the most common gas found in the atmosphere?
    Nitrogen
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  • What percentage of the atmosphere is made up of nitrogen?
    78%
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  • What is the second most common gas in the atmosphere?
    Oxygen
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  • What percentage of the atmosphere is made up of oxygen?
    21%
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  • Which layer of the atmosphere burns up meteors?
    Mesosphere
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  • Which layer of the atmosphere contains all of Earth's clouds and weather events?
    Troposphere
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