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Questions and Answers

All volcanic eruptions are explosive.

  • Statement A is true while Statement B is false
  • Both statements are false
  • Both statements are true
  • Statement A is false while Statement B is true (correct)

The Pacific Ring of Fire is an area with frequent volcanic activity. Volcanoes are only found on land.

  • Statement A is false while Statement B is true
  • Statement A is true while Statement B is false (correct)
  • Both statements are true
  • Both statements are false

Weather and climate are the same. Climate describes long-term weather patterns.

  • Statement A is true while Statement B is false
  • Statement A is false while Statement B is true (correct)
  • Both statements are true
  • Both statements are false

Climate change leads to rising global temperatures. Climate change has no effect on biodiversity.

<p>Statement A is true while Statement B is false (C)</p> Signup and view all the answers

The Sun is a star that belongs to a constellation. Constellations are groups of stars that form patterns.

<p>Statement A is false while Statement B is true (C)</p> Signup and view all the answers

Constellations appear to move across the sky due to Earth's rotation. All stars in a constellation are the same distance from Earth.

<p>Statement A is true while Statement B is false (C)</p> Signup and view all the answers

Shield volcanoes produce lava flows that spread over large areas. Composite volcanoes are the least dangerous type of volcano.

<p>Statement A is true while Statement B is false (B)</p> Signup and view all the answers

The tilt of Earth's axis affects the climate of different regions. The equator has extreme seasonal temperature changes.

<p>Statement A is true while Statement B is false (A)</p> Signup and view all the answers

Some constellations are only visible in certain seasons. The North Star is part of the Orion constellation.

<p>Statement A is true while Statement B is false (D)</p> Signup and view all the answers

Volcanic eruptions cannot affect global temperatures. Volcanoes release gases like carbon dioxide and sulfur dioxide.

<p>Statement A is false while Statement B is true (A)</p> Signup and view all the answers

During summer, many people visit Baguio because of the cold weather. What do you think makes Baguio cold?

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

In our previous activity on Temperatures of Different Cities Around the World, which city had the highest temperature?

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

Which of the following statements is the best thing you need to do during volcanic eruption?

<p>Follow any evacuation orders issued by authorities and put your emergency plan into action. (B)</p> Signup and view all the answers

It is a stream-driven eruption as the hot rocks come in contact with water.

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

A shift of only a few degrees Fahrenheit in the average global temperature will likely result in more frequent and extreme heat waves. Which of the following choices best describes this phenomenon?

<p>climate change (B)</p> Signup and view all the answers

These are formed by the accumulation of lava that oozes out from the volcano.

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

Which of the following is NOT an aspect of climate?

<p>a few warmer days here and there (C)</p> Signup and view all the answers

What is a constellation?

<p>They are a region in the sky where stars appear to be grouped together. (C)</p> Signup and view all the answers

These are large, nearly perfect sloped structure formed from alternate solidification of both lava and pyroclastic deposits

<p>Composite cones (B)</p> Signup and view all the answers

The meteorological conditions in a given place on a given day refer to it's __________.

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

What do you call the molten rocks that has been ejected out of a volcano?

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

The actual temperature on any given day is the __________ while the range of expected values, based on location and time of year, is the __________.

<p>weather; climate</p> Signup and view all the answers

What is the term for molten rock inside the Earth?

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

Which of the following characteristics magma mainly affect the explosiveness of a volcanic eruption?

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

It uses the heat coming from close to the Earth's surface to heat water or provide heat for buildings

<p>geothermal heat pump (C)</p> Signup and view all the answers

About 18% of the energy in the Philippines is harnessed using volcanic energy. Which of the following characteristics makes the country a good location in harnessing volcanic energy?

<p>it has a lot of volcanoes (D)</p> Signup and view all the answers

A periodic weak to violent eruption characterized by fountain lava.

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

Long-term patterns or trends of meteorological conditions in a given area refer to

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

Stars can be found in the large groups throughout the universe. What are these groups called?

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

Why do the stars appear to move in the sky?

<p>Because the Earth is rotating on its axis. (B)</p> Signup and view all the answers

Where can we find the 1st wind farm in Southeast Asia?

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

What star is yellow and has a surface temperature of 5, 700 degrees Celsius?

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

What is the main reason why volcanic eruption is common to our country Philippines?

<p>Because our country is along the Pacific Ring of Fire. (C)</p> Signup and view all the answers

Which color of a star has the coolest temperature?

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

When does greenhouse effect happen?

<p>Greenhouse gases in the lower atmosphere absorb heat from the earth's surface. (A)</p> Signup and view all the answers

Which activity does not contribute to global warming?

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

Which of the following statements is true in harnessing volcanic energy?

<p>it can be and has been used as a source of energy. (D)</p> Signup and view all the answers

What are the impacts of climate change in our environment?

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

Which side of the mountain often receives the most precipitation?

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

Which of the following must be the reason why two countries that are at the same latitude may still have different climates?

<p>surrounding bodies of water (C)</p> Signup and view all the answers

Which of the following is TRUE?

<p>Places that are near the oceans have moderate climate as the body of water regulates the temperature (D)</p> Signup and view all the answers

Which of the following is TRUE? I. Places that have low elevation have lower air temperature. II. Places far from bodies of water tend to have larger temperature range III. The closer a region is to a body of water; the temperature range is smaller. IV. When a place is nearer the equator, the temperature tends to be lower.

<p>II and III only (A)</p> Signup and view all the answers

City A is surrounded by bodies of water and has a moderate climate. It is located near the equator. What will most likely affect the climate of the city?

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

Which of the following statements is the best thing you need to do before volcanic eruption?

<p>Assembling an emergency preparedness kit. (A)</p> Signup and view all the answers

Why do mountain climbers bring thick jackets when they go up the mountain?

<p>The temperature decreases as the altitude increases. (C)</p> Signup and view all the answers

Why do stars have colors?

<p>it is because of the varied temperatures. (B)</p> Signup and view all the answers

How do stars appear to move in the night sky?

<p>From East to West (C)</p> Signup and view all the answers

Stars appear to move in the sky because

<p>The earth is rotating on its axis (B)</p> Signup and view all the answers

Which of following is an indication of global warming?

<p>rising of sea level (D)</p> Signup and view all the answers

Flashcards

Explosive eruptions

Volcanic eruptions that release energy violently, sending magma and stones into the air.

Pacific Ring of Fire

A region in the Pacific Ocean basin known for frequent earthquakes and volcanic activity.

Difference between weather and climate

Weather refers to short-term atmospheric conditions; climate is long-term trends.

Climate change effects

Climate change can lead to rising temperatures, affecting weather patterns and biodiversity.

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Star

A star is a celestial body that emits light and heat, like the Sun.

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Constellations

Groups of stars forming recognizable patterns in the night sky.

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Shield volcano

A type of volcano with broad, gently sloping sides formed mainly by the eruption of low-viscosity lava.

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Composite volcano

Volcano with steep slopes formed from both lava flows and explosive eruptions.

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Earth's axial tilt effect

The tilt of Earth's axis results in varying climate conditions in different regions.

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Baguio's cold weather

Baguio's cold climate is influenced by its altitude, topography, and distance from the ocean.

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Types of volcanic eruptions

Eruptions can be categorized into different types, such as phreatic, Plinian, and Strombolian based on their characteristics.

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Lava

Molten rock expelled by a volcano during an eruption.

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Climate definitions

Climate refers to the long-term average of weather in a given area.

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Global temperature rise

An increase in Earth's average surface temperature caused by greenhouse gas emissions.

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Greenhouse effect

The process by which certain gases trap heat from the sun in the Earth's atmosphere.

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Global warming indicators

Signs of climate change, such as rising sea levels and increased temperatures.

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Windward vs. leeward

Windward sides receive more precipitation, while leeward sides are drier (rain shadow effect).

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Elevation and climate

Areas with low elevation tend to have warmer temperatures than high elevation areas.

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Volcanic gases

Gases like carbon dioxide and sulfur dioxide are released during volcanic eruptions and can affect climate.

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Emergency preparedness kit

A collection of supplies to be used in emergencies such as volcanic eruptions or natural disasters.

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Ocean and climate

Distance from oceans influences climate; regions closer tend to have milder climates.

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Star color and temperature

The color of a star indicates its surface temperature; blue stars are hottest, red stars coolest.

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Hot rocks and water eruption

A phreatic eruption occurs when hot rocks come into contact with water, causing steam explosions.

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Altitude's effect on temperature

As altitude increases, temperature decreases; higher you go, the colder it gets.

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Non-renewable energy sources

Energy sources that cannot be replenished in a short time, such as fossil fuels.

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Greenhouse gases sources

Human activities such as burning fossil fuels release greenhouse gases, contributing to global warming.

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Seasonal constellations

Some constellations are only visible during certain times of the year due to Earth's orbit.

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Biodiversity and climate change

Changes in climate can impact various species and their habitats, altering ecosystems.

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Study Notes

Volcanic Eruptions and Volcanoes

  • Volcanic eruptions are typically explosive.
  • Volcanoes are openings in Earth's crust where magma escapes.
  • Volcanoes are not always found on land.

Pacific Ring of Fire

  • The Pacific Ring of Fire is a region of frequent volcanic activity.

Weather and Climate

  • Weather and climate are not the same.
  • Weather describes short-term atmospheric conditions.
  • Climate describes long-term weather patterns.

Climate Change

  • Climate change leads to rising global temperatures.
  • Climate change affects biodiversity.

The Sun and Constellations

  • The Sun is a star in a constellation.
  • Constellations are groups of stars that form patterns.
  • Constellations appear to move across the sky due to Earth's rotation.
  • Stars in a constellation are not necessarily the same distance from Earth.

Types of Volcanoes

  • Shield volcanoes produce lava flows that spread over large areas.
  • Composite volcanoes are generally more dangerous than shield volcanoes.

Earth's Tilt and Climate

  • The tilt of Earth's axis affects the climate of different regions.

Volcanic Eruptions and Global Temperatures

  • Volcanic eruptions can affect global temperatures.

Volcanic Eruptions and Gases

  • Volcanoes release gases such as carbon dioxide and sulfur dioxide.

Emergency Preparedness During Volcanic Eruptions

  • Assembling an emergency kit.
  • Following evacuation orders.
  • Notifying family and friends of safety.

Mountain Temperatures

  • Temperatures decrease with increasing altitude.

Greenhouse Effect

  • Greenhouse gases trap heat from the Earth, warming the planet.

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