Earth Systems Exam Study List
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Questions and Answers

What is the primary energy source driving the water cycle?

  • Heat from the sun (correct)
  • Geothermal energy from Earth's core
  • Tidal energy from the moon
  • Energy from Earth's rotation

What causes the tides?

  • Gravitational pull of the moon and sun (correct)
  • Changes in Earth's magnetic field
  • Underwater volcanic activity
  • Rotation of the Earth

Why is it difficult to make a scale model of the solar system?

  • Differences in planetary rotation speeds
  • Irregular shapes of planets
  • The vast distances between planets (correct)
  • Variations in planetary temperatures

What is the primary difference between weather and climate?

<p>Time duration: weather is short-term, climate is long-term (D)</p> Signup and view all the answers

What is the importance of the greenhouse effect?

<p>It helps regulate Earth's temperature (C)</p> Signup and view all the answers

What are greenhouse gases?

<p>Gases that trap heat in the atmosphere (C)</p> Signup and view all the answers

What causes the tides?

<p>Gravitational pull of the moon and the sun on Earth's oceans (D)</p> Signup and view all the answers

What is the Foucault pendulum?

<p>A device demonstrating Earth's rotation (A)</p> Signup and view all the answers

Why it is difficult to make a scale model of the solar system?

<p>Vast differences in size and distances between celestial bodies (B)</p> Signup and view all the answers

What are greenhouse gases?

<p>Gases that trap heat in the Earth's atmosphere (D)</p> Signup and view all the answers

What causes deep ocean currents and surface currents?

<p>Differences in water temperature and salinity (C)</p> Signup and view all the answers

What determines whether a statement describes weather or climate?

<p>Duration of time over which the statement applies (D)</p> Signup and view all the answers

What is the primary cause of the difference between spring tide and neap tide?

<p>The varying distance of the Moon from the Earth (A)</p> Signup and view all the answers

Why is it difficult to make a scale model of the solar system?

<p>The vast distances between planets (B)</p> Signup and view all the answers

What is the primary energy source driving the water cycle?

<p>Solar radiation (D)</p> Signup and view all the answers

How does the Coriolis Effect influence the movement of fluids on Earth?

<p>Causing deflection of moving objects to the right in the Northern Hemisphere and to the left in the Southern Hemisphere (C)</p> Signup and view all the answers

What causes deep ocean currents?

<p>Differences in water density due to variations in temperature and salinity (B)</p> Signup and view all the answers

Which statement describes climate?

<p>Long-term patterns of temperature, humidity, wind, and precipitation in a region (A)</p> Signup and view all the answers

What are greenhouse gases primarily responsible for?

<p>Trapping heat in Earth's atmosphere (A)</p> Signup and view all the answers

What is the primary cause of the difference between spring tide and neap tide?

<p>The alignment of the Sun, Earth, and Moon (B)</p> Signup and view all the answers

What causes deep ocean currents and surface currents?

<p>Differences in water temperature and salinity (B)</p> Signup and view all the answers

What determines whether a statement describes weather or climate?

<p>The duration over which it is observed (D)</p> Signup and view all the answers

What causes the tides?

<p>Gravitational pull of the Moon and Sun (B)</p> Signup and view all the answers

What are greenhouse gases primarily responsible for?

<p>Trapping heat in the Earth's atmosphere (D)</p> Signup and view all the answers

How does the Coriolis Effect influence the movement of fluids on Earth?

<p>Causing deflection of air and water due to Earth's rotation (B)</p> Signup and view all the answers

What is the primary energy source driving the water cycle?

<p>Solar radiation (A)</p> Signup and view all the answers

What is the primary cause of the difference between spring tide and neap tide?

<p>The alignment of the sun, earth, and moon (A)</p> Signup and view all the answers

What causes the waxing and waning phases of the moon?

<p>The relative positions of the sun, earth, and moon (A)</p> Signup and view all the answers

Why is it difficult to make a scale model of the solar system?

<p>The vast differences in size and distances between celestial bodies (A)</p> Signup and view all the answers

What is the primary energy source driving the water cycle?

<p>Solar radiation (B)</p> Signup and view all the answers

Why do parts of the Earth receive direct sunlight or indirect sunlight during summer and winter seasons?

<p>Due to the tilt of Earth's axis relative to its orbit around the sun (C)</p> Signup and view all the answers

How does the Coriolis Effect influence the movement of fluids on Earth?

<p>It causes deflection to the right in the Northern Hemisphere and to the left in the Southern Hemisphere (D)</p> Signup and view all the answers

Flashcards

Water Cycle's Driver

The primary source of energy powering the evaporation, condensation, and precipitation processes in the water cycle.

Tides' Cause

The gravitational pull of the Moon and Sun on Earth's oceans, causing them to bulge and recede.

Solar System Scale Model Challenge

The immense distances between planets make it challenging to create an accurate and proportional scale model of the solar system due to the limitations of space.

Weather vs. Climate

Weather refers to short-term atmospheric conditions, while climate describes the long-term average weather patterns in a region.

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Greenhouse Effect's Role

The process where certain gases in the atmosphere trap heat from the Sun, helping to regulate Earth's temperature.

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Greenhouse Gases

Gases that trap heat in the atmosphere, influencing Earth's temperature.

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Ocean Currents' Cause

Variations in water temperature and salinity create density differences, driving both surface and deep ocean currents.

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Weather or Climate?

The duration of time over which a statement applies determines if it describes weather (short-term) or climate (long-term).

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Spring vs. Neap Tide

The alignment of the Sun, Earth, and Moon influences the strength of tides. When they align (spring tide), the tidal forces are stronger.

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Foucault Pendulum

A device that demonstrates Earth's rotation by showing the apparent shift in the pendulum's swing plane over time.

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Greenhouse Gas Function

Greenhouse gases trap heat in the Earth's atmosphere, playing a crucial role in regulating the planet's temperature.

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Coriolis Effect's Influence

Due to Earth's rotation, the Coriolis Effect causes moving objects like air and water to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

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Deep Ocean Currents' Cause

Differences in water density, mainly due to variations in temperature and salinity, drive deep ocean currents.

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Climate Definition

Climate is the long-term pattern of temperature, humidity, wind, and precipitation in a specific region, reflecting the average weather conditions over an extended period.

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Greenhouse Gases' Impact

Greenhouse gases are responsible for trapping heat in Earth's atmosphere, contributing to the planet's overall temperature.

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Spring vs. Neap Tide Cause

The alignment of the Sun, Earth, and Moon influences tidal forces, leading to stronger tides (spring tide) when they align and weaker tides (neap tide) when they are at right angles.

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Moon's Phases

The waxing and waning phases of the Moon are caused by the changing angles of sunlight reflecting off its surface as it orbits Earth.

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Solar System Scale Model Challenge (2)

The vast differences in size and distances between celestial bodies make it extremely difficult to create a scale model of the solar system that accurately represents both the sizes and distances between objects.

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Water Cycle's Driver (2)

Solar radiation, specifically the Sun's energy, is the primary energy source driving the water cycle, providing the heat needed for evaporation and powering the process.

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Seasons' Sunlight Variation

The tilt of Earth's axis relative to its orbit around the Sun causes different parts of the Earth to receive direct or indirect sunlight during summer and winter seasons.

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Coriolis Effect's Influence (2)

The Coriolis Effect is a result of Earth's rotation, causing moving objects like air and water to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, influencing wind patterns and ocean currents.

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Climate Definition (2)

Climate encompasses the long-term average weather patterns in a particular region, characterized by the typical values of temperature, humidity, wind, and precipitation over extended periods.

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Greenhouse Gases' Impact (2)

Greenhouse gases have a significant impact on Earth's temperature by trapping heat in the atmosphere, contributing to the greenhouse effect and influencing the planet's overall climate.

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Spring vs. Neap Tide Cause (2)

The varying alignment of the Sun, Earth, and Moon determines tidal strength. Stronger tides (spring tides) occur when they align, while weaker tides (neap tides) occur when they are at right angles.

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Ocean Currents' Cause (2)

Differences in water temperature and salinity create density variations, driving both surface and deep ocean currents, playing a crucial role in heat distribution and global climate patterns.

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Weather or Climate? (2)

The duration over which a statement is observed determines whether it describes weather (short-term) or climate (long-term), highlighting the difference between immediate conditions and long-term patterns.

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Tides' Cause (2)

The gravitational pull of the Moon and Sun on Earth's oceans creates tidal forces, causing the water to bulge on the side facing the pulling object and the opposite side, resulting in high tides.

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Greenhouse Gases' Impact (3)

Greenhouse gases play a crucial role in Earth's climate by trapping heat in the atmosphere, contributing to the greenhouse effect, which regulates the planet's temperature but is also linked to climate change.

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Coriolis Effect's Influence (3)

The Coriolis Effect, caused by Earth's rotation, influences the movement of fluids like air and water, causing them to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, impacting weather patterns and ocean currents.

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Water Cycle's Driver (3)

The primary energy source driving the water cycle is solar radiation, providing the heat necessary for evaporation, condensation, and precipitation, making it a continuous cycle of water movement.

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Spring vs. Neap Tide Cause (3)

The alignment of the Sun, Earth, and Moon plays a crucial role in determining the strength of tides. When they align, strong tides (spring tides) occur, while weaker tides (neap tides) occur when they are at right angles.

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Moon's Phases (2)

The waxing and waning phases of the Moon are caused by the changing angles of sunlight reflecting off its surface as it orbits Earth, resulting in the crescent, gibbous, and full moon phases.

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Solar System Scale Model Challenge (3)

The vast distances and size differences between celestial bodies in the solar system pose a significant challenge for creating accurate scale models. This discrepancy makes it difficult to represent both size and distances proportionally.

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