Shared Flashcard Set

Details

Eclipses - Lesson 4
Solar and Lunar Eclipses
15
Science
8th Grade
05/01/2012

Additional Science Flashcards

 


 

Cards

Term
A solar eclipse can occur only during a _______ moon.
Definition
New
Term
A lunar eclipse can occur only during a __________ moon.
Definition
Full
Term
Shadow cones cast by planetary bodies contain two parts of the shadow known as the . . .
Definition
umbra and penumbra
Term
The location of the planetary body within the shadow cone determines the type of ____________.
Definition
eclipse
Term
How many days from 1st quarter to 1st quarter?
Definition
About 30 days or 1 month
Term

Identify this Eclipse.

 

[image]

Definition
Partial Lunar Eclipse
Term

Identify this Eclipse.

[image]

Definition

 

Partial Solar Eclipse

Term
Identify this Eclipse.[image]
Definition

 

Annular Solar Eclipse

Term

Identify this Eclipse.

[image]

Definition

 

Total Solar Eclipse

Term

Identify this Eclipse.

[image]

Definition

 

Partial Solar Eclipse

Term
An annular eclipse occurs when the Moon is .....
Definition

 

farthest from Earth in its orbit so it appears smaller and cannot completely cover up the sun.

Term
Under what conditions, does a total solar eclipse occur?
Definition
A total solar eclipse occurs when the moon is in a new phase, and the Sun, Moon, and Earth are perfectly aligned.  The Moon comes between the Sun and the Earth.
Term
Why don't we see eclipses twice a month?
Definition

Because the moon's orbit is tilted.

Eclipses only occur when the new moon and the full moon cross over Earth's orbital plane.

Term
About how often do lunar and solar eclipses occur every year?
Definition
Lunar and solar eclipses occur in pairs 2 - 3 times a year and 6 months apart.
Term
Since you took the time to use these flashcards, here is a hint for the articles.
Definition

Solar Wind Article - look up why the solar wind particles can escape the sun's gravity.

 

Ecllipse Artice - look up the term for outer atmosphere of the sun around the black disk.

 

Dragons or Demons Article - look up poison dripping from the sky.

 

Keep the answers to yourself.

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