Understanding Wind Systems and Air Pressure

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Questions and Answers

Why does heated air rise?

  • It is attracted to the upper atmosphere.
  • It is pushed upwards by colder air.
  • Its molecules slow down and become more compact.
  • Its molecules move faster, spread out, and become less dense. (correct)

What is the primary cause of wind?

  • The movement of air towards a place where warm air is rising. (correct)
  • The gravitational pull of the moon.
  • The rotation of the Earth.
  • The formation of clouds.

During which part of the day does a sea breeze typically occur?

  • Evening
  • Daytime (correct)
  • Early morning
  • Nighttime

In coastal areas, why are breezes common?

<p>Due to the proximity to large bodies of water. (B)</p> Signup and view all the answers

How does air move during a land breeze?

<p>From land to sea. (C)</p> Signup and view all the answers

What is a primary characteristic of monsoon wind systems?

<p>They involve larger air masses that move horizontally. (A)</p> Signup and view all the answers

What is the local name for the northeast monsoon in the Philippines?

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

What is the relationship between air pressure and wind movement?

<p>Wind moves from high-pressure areas to low-pressure areas. (B)</p> Signup and view all the answers

Which of the following is characteristic of a high-pressure area?

<p>Cold, sinking air (B)</p> Signup and view all the answers

During the northeast monsoon (Amihan) in the Philippines, where is the high pressure area typically located?

<p>China and Siberia (C)</p> Signup and view all the answers

What type of wind does the northeast monsoon (Amihan) bring to the Philippines?

<p>Dry and cold (B)</p> Signup and view all the answers

During which months does the northeast monsoon (Amihan) typically occur in the Philippines?

<p>November to April (D)</p> Signup and view all the answers

Which direction does the wind come from during the southwest monsoon (Habagat)?

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

What type of wind is associated with the southwest monsoon (Habagat)?

<p>Warm and moist (B)</p> Signup and view all the answers

When does the southwest monsoon (Habagat) typically occur in the Philippines?

<p>June to October (D)</p> Signup and view all the answers

What causes both Amihan and Habagat to bring rain to the Philippines?

<p>The winds pass over bodies of water. (B)</p> Signup and view all the answers

What is the Intertropical Convergence Zone (ITCZ)?

<p>A zone where trade winds from the northern and southern hemispheres meet. (D)</p> Signup and view all the answers

What weather conditions are associated with the Intertropical Convergence Zone (ITCZ)?

<p>Heavy precipitation and thunderstorms. (A)</p> Signup and view all the answers

What is the ITCZ also known as?

<p>A breeding zone for low-pressure areas. (C)</p> Signup and view all the answers

How does the temperature of land compare to the temperature of water, in terms of heating and cooling?

<p>Land heats up and cools down faster than water. (B)</p> Signup and view all the answers

Which scenario accurately describes the conditions leading to a sea breeze?

<p>Land is warmer than the sea, causing air to move from sea to land. (C)</p> Signup and view all the answers

What is the primary reason for the difference in temperature between land and sea that leads to breezes?

<p>Land has a lower heat capacity, causing it to heat up and cool down faster than the sea. (D)</p> Signup and view all the answers

If you are experiencing winds blowing from the land towards the sea, what time of day is it most likely to be?

<p>Midnight (C)</p> Signup and view all the answers

How might a strong monsoon season impact agriculture in a region?

<p>It could lead to both benefits from increased water availability and challenges from flooding. (C)</p> Signup and view all the answers

During Amihan, if the high-pressure area is located in China and Siberia, what does this indicate about the air temperature in those regions?

<p>The air temperature is likely cold. (A)</p> Signup and view all the answers

If you observe that the wind is bringing warm and moist air, and the rainfall has increased significantly, which monsoon is most likely occurring?

<p>Southwest monsoon (Habagat) (D)</p> Signup and view all the answers

Why is the ITCZ known as a breeding zone for low-pressure areas?

<p>Because of converging air masses and rising air that promotes the formation of weather disturbances (B)</p> Signup and view all the answers

Which of the following best describes the relationship between the ITCZ and monsoons?

<p>The ITCZ can influence the timing and intensity of monsoons. (D)</p> Signup and view all the answers

How do local breezes differ from monsoons in terms of geographic scale and duration?

<p>Monsoons cover larger areas and last for months, while local breezes are smaller and last for hours. (B)</p> Signup and view all the answers

During the daytime in a coastal area, if the air over the land is significantly warmer than the air over the sea, what effect will this have on the local pressure systems?

<p>It will create a low-pressure system over the land. (C)</p> Signup and view all the answers

Which of the following scenarios would most likely result in heavy rainfall?

<p>Warm, moist air rising in a low-pressure zone. (A)</p> Signup and view all the answers

Which conditions are conducive to the formation of a strong land breeze?

<p>A sea that is much warmer than the adjacent land at night. (A)</p> Signup and view all the answers

How might deforestation on a large scale affect monsoon patterns in a region?

<p>Deforestation could reduce rainfall due to decreased evapotranspiration. (D)</p> Signup and view all the answers

During the transition period between Amihan and Habagat, what type of weather conditions might be expected in the Philippines?

<p>Variable weather conditions with intermittent rainfall. (A)</p> Signup and view all the answers

If a coastal city is experiencing a prolonged period of drought, how might the local sea breeze patterns be affected?

<p>The sea breeze would become weaker due to decreased temperature differences. (A)</p> Signup and view all the answers

How can the understanding of the ITCZ’s location help in predicting weather patterns?

<p>It helps predict areas likely to experience increased cloud formation and precipitation. (C)</p> Signup and view all the answers

Given the characteristics of Amihan and Habagat, how do these monsoons collectively contribute to the overall rainfall pattern in the Philippines throughout the year?

<p>They provide complementary rainfall patterns, ensuring moisture from different directions at different times of the year. (B)</p> Signup and view all the answers

Flashcards

Breezes

Localized winds near bodies of water, common in coastal areas.

Sea Breeze

Wind during the daytime where air moves from sea to land.

Land Breeze

Wind during the night where air moves from land to sea.

Monsoons

Wind systems involving large air masses that move horizontally, often bringing significant rainfall.

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Amihan

Northeast monsoon in the Philippines, bringing dry and cold wind from November to April.

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Habagat

Southwest monsoon in the Philippines, bringing warm and moist wind from June to October.

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Intertropical Convergence Zone (ITCZ)

A zone near the equator where trade winds from the northern and southern hemispheres meet, resulting in heavy precipitation and thunderstorms.

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Wind

The movement of air towards a place where warm air is rising.

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Low pressure area

An area where warm, rising air causes cloud formation.

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High pressure area

An area where cold air sinks.

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Study Notes

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