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Lunar Eclipse ReviewLunar Eclipse Review

1. What is the only moon phase in 1. What is the only moon phase in which a lunar eclipse can occur?which a lunar eclipse can occur?

A. New moon

B. Full moon

C. First quarter

Think about the placement of Think about the placement of the Sun, Earth and Moon…the Sun, Earth and Moon…remember lunar begins with L remember lunar begins with L and a lunar eclipse aligns from and a lunar eclipse aligns from largest planet to smallestlargest planet to smallest

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Think about the placement of the Sun, Earth and Moon…remember that this would make a 90 angle and not a 180 angle that is needed for an eclipse to occur.

2. Why don’t we see a lunar eclipse 2. Why don’t we see a lunar eclipse every 29.5 days?every 29.5 days?

A. the moon’s orbit is above the plane of the Earths’ orbit

B. the moon’s orbit is below the plane of the Earth’s orbit

C. the moon’s orbit is above and below the plane of the Earth’s orbit

You are half correct-The You are half correct-The Moon sometimes travels Moon sometimes travels above the Earth’s orbitabove the Earth’s orbit

You are half right the Moon sometimes You are half right the Moon sometimes travels below the Earth’s orbittravels below the Earth’s orbit

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3.What are the two parts of the 3.What are the two parts of the Moon’s shadow called?Moon’s shadow called?

A. umbra and penumbra. umbra and penumbraB. under and pennu. under and pennuC. unbrum and penamber. unbrum and penamber

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Make sure you know and understand Make sure you know and understand the vocabulary words and definitions. the vocabulary words and definitions.

Try again.Try again.

Make sure you know and understand Make sure you know and understand the vocabulary words and definitions. the vocabulary words and definitions.

Try again.Try again.

4. Which is the lunar eclipse that is 4. Which is the lunar eclipse that is subtle and hard to observe?subtle and hard to observe?

A. Penumbral

B. PartialB. PartialC. Total

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A partial eclipse is easily seenA partial eclipse is easily seen

A total eclipse is the most easily seen A total eclipse is the most easily seen eclipseeclipse

5.Which type of lunar eclipse has the 5.Which type of lunar eclipse has the entire Moon passing through the entire Moon passing through the Earth’s umbral shadow?Earth’s umbral shadow?

A. Total Eclipse. Total Eclipse

B. Partial Lunar Eclipse. Partial Lunar Eclipse

C. Penumbral Lunar Eclipse. Penumbral Lunar Eclipse

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A partial eclipse passes through the A partial eclipse passes through the penumbrapenumbra

It only passes through the penumbraIt only passes through the penumbra

6. The alignment of the Sun, Moon6. The alignment of the Sun, Moon and Earth is in what type of angle ?and Earth is in what type of angle ?

A. 90 degree angle

B. 45 degree angle

C. 180 degree angle

A 90 degree angle of Sun, Moon, and A 90 degree angle of Sun, Moon, and Earth is called a First and Third Earth is called a First and Third Quarter. An lunar eclipse can only Quarter. An lunar eclipse can only occur in a full moon. occur in a full moon.

A 45 degree angle occurs in the A 45 degree angle occurs in the waning and waxing Crescent or waning and waxing Crescent or Gibbous phase not in a Full Moon Gibbous phase not in a Full Moon phasephase

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The color/darkness of a lunar eclipse The color/darkness of a lunar eclipse varies because-varies because-

A. of the amount of dust in the Earth’s atmosphere

B. of the amount of water in the B. of the amount of water in the Earth’s atmosphereEarth’s atmosphere

C. of the distance the Moon is C. of the distance the Moon is from the Sunfrom the Sun

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Water has nothing to do with the color Water has nothing to do with the color of an eclipseof an eclipse

The distance has nothing to do with The distance has nothing to do with the color of an eclipsethe color of an eclipse

Do you need any type of protective Do you need any type of protective filters to watch a lunar eclipse?filters to watch a lunar eclipse?

A. no they are safe to watch with A. no they are safe to watch with the naked eyethe naked eye

B. `yes you need eye protectionB. `yes you need eye protection

C. you should not watch a lunar C. you should not watch a lunar eclipse directly as it will harm eclipse directly as it will harm you eyesyou eyes

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You have completed the on line You have completed the on line assessment.assessment.

No, you do not need eye protection No, you do not need eye protection for a Lunar Eclipse only for a solar for a Lunar Eclipse only for a solar eclipseeclipse

Looking at a Lunar Eclipse will not be Looking at a Lunar Eclipse will not be harmful to your eyesharmful to your eyes