Eclipses Overview Quiz
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Questions and Answers

What is the phenomenon that allows a lunar eclipse to occur?

  • The Sun blocking the view of the Earth.
  • The Earth reflecting sunlight onto the moon.
  • The moon blocking the Sun's light.
  • The Earth blocking sunlight from reaching the moon. (correct)

How often can a lunar eclipse be expected to occur?

  • Every week.
  • Once every month.
  • Three times a year.
  • Two times a year. (correct)

During which phase does a lunar eclipse typically occur?

  • Full Moon. (correct)
  • First Quarter.
  • Last Quarter.
  • New Moon.

What is a key characteristic of a penumbral lunar eclipse?

<p>The moon is partially obscured by the Earth's penumbra. (C)</p> Signup and view all the answers

Which factors could be analyzed to predict the occurrence of future lunar eclipses?

<p>The orbit of the Moon around the Earth and the Sun's position. (A)</p> Signup and view all the answers

What is required for a lunar eclipse to occur?

<p>The tilt of the Moon must be directly in line with the Earth and Sun. (B)</p> Signup and view all the answers

During which time of day does a solar eclipse generally occur?

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

What term describes the event when the Moon moves in front of the sun?

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

During which type of eclipse does the Earth block the sunlight from reaching the Moon?

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

How many times a year can a lunar eclipse occur?

<p>Twice a year (B)</p> Signup and view all the answers

What is the primary cause of a solar eclipse?

<p>The Moon blocking sunlight to the Earth (C)</p> Signup and view all the answers

What phenomenon happens when one celestial object blocks the light from another during an eclipse?

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

What angle describes the tilt of the Moon relative to the Earth's orbit?

<p>5° (D)</p> Signup and view all the answers

Which celestial object creates a shadow on the Earth during a solar eclipse?

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

Why can a lunar eclipse only happen when the Moon is full?

<p>The Earth needs to cast a shadow on the Moon. (B)</p> Signup and view all the answers

What distinguishes a lunar eclipse from a solar eclipse?

<p>The position of the Earth, Moon, and sun (D)</p> Signup and view all the answers

Which phase of the Moon is observed during a lunar eclipse?

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

Which celestial object is primarily responsible for causing a solar eclipse?

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

What effect does a solar eclipse have on daytime illumination?

<p>It creates a temporary darkness (B)</p> Signup and view all the answers

What do we observe in the sky during a solar eclipse?

<p>The Sun appears as a crescent shape. (A)</p> Signup and view all the answers

How does the position of the Moon relate to the Earth and Sun during a solar eclipse?

<p>The Moon is between the Earth and Sun (B)</p> Signup and view all the answers

What occurs during a lunar eclipse?

<p>The Moon moves into the Earth's shadow. (A)</p> Signup and view all the answers

Which of the following describes the Umbra during a lunar eclipse?

<p>It is the large shadow created on the Moon by Earth. (D)</p> Signup and view all the answers

What is required for a lunar eclipse to occur?

<p>The Sun, Earth, and Moon must be in a specific alignment. (A)</p> Signup and view all the answers

When does a lunar eclipse typically occur?

<p>At night. (C)</p> Signup and view all the answers

Why does a lunar eclipse not occur every month?

<p>The Moon's orbit is tilted by 5°. (B)</p> Signup and view all the answers

What alignment is necessary for a lunar eclipse to take place?

<p>The Earth must be in between the Moon and Sun. (A)</p> Signup and view all the answers

What is the relationship between lunar eclipses and full moons?

<p>Lunar eclipses occur when the Moon is fully illuminated. (C)</p> Signup and view all the answers

Which statement is true regarding the frequency of lunar eclipses?

<p>They happen roughly 2-3 times a year. (C)</p> Signup and view all the answers

How often can a lunar eclipse occur in a year?

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

What shape is the orbit of celestial bodies around another object?

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

What is the rotation period of Earth on its own axis?

<p>365 days (B)</p> Signup and view all the answers

How long does it take for the Moon to complete one orbit around Earth?

<p>27.5 days (C)</p> Signup and view all the answers

What is a partial eclipse?

<p>When only a part of the sun is obscured (C)</p> Signup and view all the answers

What alignment is necessary for a lunar eclipse to occur?

<p>Earth between the sun and moon (A)</p> Signup and view all the answers

In what condition does a solar eclipse occur?

<p>When the moon is between the Earth and sun (C)</p> Signup and view all the answers

Which of the following statements is true about Mercury's revolution period?

<p>It is shorter than Earth's revolution period (B)</p> Signup and view all the answers

What defines an eclipse?

<p>The alignment of three celestial bodies (C)</p> Signup and view all the answers

Why don't eclipses occur every month?

<p>The moon’s orbital plane is tilted by 5° (D)</p> Signup and view all the answers

Which type of eclipse happens when the Earth is directly between the sun and the moon?

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

What is an umbra in the context of eclipses?

<p>The region of total shadow (D)</p> Signup and view all the answers

What allows scientists to predict future solar and lunar eclipses?

<p>The predictable orbits of the moon, Earth, and sun (A)</p> Signup and view all the answers

Which statement is true about the frequency of lunar eclipses?

<p>Lunar eclipses are common (B)</p> Signup and view all the answers

What model do scientists use to understand the movements of celestial bodies during eclipses?

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

What condition is required for a solar eclipse to occur?

<p>The moon must align between the Earth and the sun (C)</p> Signup and view all the answers

Flashcards

Solar Eclipse

An eclipse that occurs when the Moon passes between the Sun and Earth, blocking sunlight from reaching Earth.

Lunar Eclipse

An eclipse that occurs when the Earth passes between the Sun and the Moon, blocking sunlight from reaching the Moon.

Solar Eclipse

Occurs when the Moon blocks the Sun's light from Earth

Lunar Eclipse

Occurs when Earth blocks the Sun's light from the Moon.

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Type of eclipse (SME)

A type of eclipse determined by the positions of the Sun, Moon, and Earth.

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Solar eclipse vs. Lunar eclipse

Difference in the positions of the Sun, Moon, and Earth.

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Lunar Eclipse

When the Earth passes between the Sun and the Moon, casting a shadow on the Moon.

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Solar Eclipse

When the Moon passes between the Sun and the Earth, casting a shadow on the Earth.

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Eclipse

When one celestial object passes in front of another, blocking sunlight and creating a shadow.

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Celestial Objects

Objects in space, such as planets, stars, and the moon etc.

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5° Tilt of the Moon

The slight angle of the Moon's orbit relative to Earth's orbit around the Sun.

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Solar Eclipse Time

Occurs during the day

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Lunar Eclipse Time

Occurs at night

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Lunar Eclipse

Occurs when the Earth passes between the Sun and the Moon, blocking sunlight from reaching the Moon.

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Earth's shadow

The area of darkness created when the Earth is between the Sun and the Moon, blocking sunlight.

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Lunar Eclipse Alignment

Exact alignment of the Sun, Earth, and Moon needed for a lunar eclipse.

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Why not every month?

Lunar eclipses don't happen every month because the Moon's orbit is tilted relative to Earth's orbit.

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Moon's Orbit Tilt

The Moon's orbit is not in the same plane as Earth's orbit around the Sun.

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Lunar Eclipse Time of Day

A lunar eclipse occurs at night.

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Eclipse

When a celestial object blocks sunlight from another, creating a shadow.

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Solar Eclipse

Moon blocks Sun's light from Earth.

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Lunar Eclipse

Earth blocks Sun's light from Moon.

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Eclipse Frequency

Eclipses don't happen every new or full moon due to the Moon's tilted orbit.

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Eclipse Prediction

Scientists can predict eclipses because the Sun, Moon, and Earth's orbits are predictable.

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Lunar Eclipse Frequency

Lunar eclipses occur less often than might be expected.

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Eclipse Alignment

For an eclipse, the Sun, Moon, and Earth need to be nearly perfectly in a straight line.

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Lunar Eclipse

Earth blocks sunlight from reaching the moon.

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Solar Eclipse

Moon blocks sunlight from reaching Earth.

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Eclipse Frequency

Eclipses don't happen every month because the Moon's orbit is tilted.

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Eclipse Prediction

Scientists can predict eclipses by tracking orbits.

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Penumbra

Part shadow during an eclipse.

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Lunar Eclipse Requirements

A lunar eclipse happens when the Earth blocks sunlight from reaching the moon, only possible when Earth is directly between sun and moon

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Lunar Eclipse Frequency

Lunar eclipses occur a few times a year due to the tilt in the Moon's orbit around Earth.

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Moon's Orbit Tilt

The Moon's orbit isn't perfectly aligned with Earth's orbit around the Sun.

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Earth's Rotation

Earth spins on its axis, taking approximately 24 hours.

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Earth's Orbit

The path Earth takes around the Sun

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Moon's orbit

Path the Moon takes around the Earth

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Heliocentric Model

A model of the solar system with the sun at the center, where planets and other objects orbit the sun.

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Partial Lunar Eclipse

Lunar eclipse where only part of the Moon is covered by Earth's shadow.

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Study Notes

Eclipses

  • Eclipses are explained using celestial object movements.
  • Eclipses occur when one celestial object passes in front of another, blocking sunlight and creating a shadow.

Design

  • Use only terms for definitions.
  • Headings for tables, examples, and non-examples must be bolded.
  • Use font size 11 for CFUs and include sentence starters.
  • Ensure sentence stems are relevant to key concepts or skills.
  • Remove unnecessary facts or jargon, use student-friendly language.
  • Limit concept development slides to 4.
  • Ensure table content is centered.
  • Tasks must include a SCSA key verb.

Do Now & Daily Review (2022 onwards)

  • Daily review should be 10-15 minutes long.
  • Recall: Do Now tasks are straightforward, focusing on recalling information (e.g., labeling diagrams, fill-in-the-blank, word banks).
  • Recite: Use vocabulary words for choral responses, avoiding long statements.
  • Apply: Daily review tasks relate to the daily review schedule.

Prompt Boxes

  • Prompt boxes can be copied and inserted into slides.
  • The boxes are hidden during presentation.

Daily Review - Recall

  • Identify examples as either rotation or revolution.
  • Include sentence starter: Example - is rotation/revolution because...

Daily Review - Recite

  • Rotation: One complete turn on an axis.
  • Revolution: One full orbit.
  • Orbit: Path around an object.
  • Solar System: Star and surrounding objects.

Daily Review - Apply

  • Compare sunlight reflected during a full moon and a new moon. Include sentence starter: The amount of sunlight reflected during a full moon is...

Learning Objective

  • Explain eclipses using celestial object movements.
  • Define eclipse and umbra.
  • Contrast solar and lunar eclipses.
  • Explain why eclipses do not occur every month.

Activate Prior Knowledge

  • The Moon orbits the Earth and the Earth orbits the Sun.
  • All celestial bodies have an elliptical orbit.
  • Draw the phase new moon, labeling the sun, Earth, and moon.

Concept Development

  • An eclipse occurs when one object passes in front of another, blocking sunlight and creating a shadow.
  • Solar eclipse: Sun-Moon-Earth order, occurs during the day, look at the Sun.
  • Lunar eclipse: Sun-Earth-Moon order, occurs at night, look at the Moon.

Concept Development - Solar Eclipse

  • A solar eclipse occurs when the Sun, Moon, and Earth are aligned (SME).
  • The Moon blocks sunlight, creating a small shadow on Earth.
  • Umbra is the shadow on Earth.

Concept Development - Lunar Eclipse

  • A lunar eclipse occurs when the Moon moves into the Earth's shadow (SEM).
  • Earth blocks sunlight, creating a large shadow on the Moon.
  • Umbra is the shadow on the Moon.

Concept Development - Eclipses Don't Occur Monthly

  • Eclipses require alignment—Sun, Earth, Moon.
  • The Moon’s 5° tilted orbit often moves above or below the Earth's orbit.
  • Lunar eclipses can only occur twice a year where the 5° tilt aligns with the Earth and Sun.

Skill Development/Guided Practice

  • Fill in tables to identify solar and lunar eclipses.
  • Identify eclipses as total or partial.
  • Describe the position of Earth, Moon, and Sun during a solar and lunar eclipse.

Skill Development / Guided Practice - Definitions

  • Solar eclipse: The Moon moves in front of the Sun.
  • Sunlight is blocked, creating a shadow.
  • Lunar eclipse: Earth moves between the Moon and Sun.
  • Earth blocks sunlight, creating a large shadow.

Skill Development/Guided Practice - Video

  • Watch a video about solar versus lunar eclipses and understand the difference between the two.

Independent Practice

  • Identify solar/lunar eclipses by observing the positions of Earth, Moon, and Sun.
  • Describe these positions in diagrams.

Activate Prior Knowledge - Models

  • The Moon orbits the Earth, and the Earth orbits the Sun.
  • Celestial bodies orbit in elliptical paths.
  • Draw a heliocentric model of the sun, Earth, and Moon.

Daily Review - True or False:

  • Earth takes 365 days to rotate.
  • Mercury has the shortest revolution period.
  • The Moon takes 27.5 days to complete an orbit.
  • Jupiter spins on its axis.

Closure - Because, But, So

  • Solar and lunar eclipses are different because they are observed during different times (day or night).
  • They are different but both depend on the order of the Sun, Moon, and Earth.
  • They are different so we can predict the phenomena.

Check for Understanding (Various Pages):

  • Questions about the type of eclipse shown in images.
  • Defining solar/lunar eclipses.
  • Determining the order of celestial objects.
  • Addressing why eclipses do/do not occur every month.

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Eclipses PDF

Description

Test your understanding of eclipses and their celestial movements. This quiz covers the basics of how eclipses occur and their significance in astronomy. Perfect for students looking to reinforce their knowledge in a clear and accessible way.

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