Shared Flashcard Set

Details

Earth, Sun, Moon
Earth, Sun, and Moon
19
Science
6th Grade
09/27/2014

Additional Science Flashcards

 


 

Cards

Term
How long does it take for the earth to rotate completely on its axis?
Definition
24 hours
Term
How long does it take for the earth to complete one revolution around the sun?
Definition
365 days
Term
About how long does it take for the moon to revolve around the earth?
Definition
28 days
Term
What causes the seasons?
Definition
tilted axis
Term
Define rotation:
Definition
when a object spins on its axis
Term
Define revolution:
Definition
when an object moves/travels around another object
Term
How many times larger is the earth than the moon?
Definition
4x bigger
Term
How far away is the moon?
Definition
384,000 kilometers
Term
Why do we have a leap years?
Definition
because it takes 365 1/4 days to rotate around the sun so every 4 years we add the four quarters together and add a day to our calendar
Term
At what time of day are shadows shortest?
Definition
solar noon
Term
During what seaon are shadows the longest?
Definition
winter
Term
Define solar noon:
Definition
solar noon is when the sun is at it highest point and the shadow is the shortest
Term
During what season does the sun appear higher in the sky?
Definition
summer
Term
The sun rises in the __________ and sets in the ____________
Definition

morning / night

east / west

Term
What is an axis?
Definition
is an imaginary line that the Earth spins on
Term
When it is winter in the Northern hemisphere, what season is it in the Southern hemisphere?
Definition
summer
Term

The shortest shadow of the day occurs at sunrise.

true/false

Definition
false
Term
During what season are days shorter in length?
Definition
winter
Term
During _____________, the Earth is tilted toward the sun.  During ______________ , the Earth is tilted away from the sun.
Definition
summer / winter
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