Term
|
Definition
earth's shadow covering the moon |
|
|
Term
|
Definition
|
|
Term
|
Definition
earths spin around its axis |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
what causes a day and night? |
|
Definition
|
|
Term
Which way does earth rotate? |
|
Definition
|
|
Term
How many degrees is the tilt? |
|
Definition
|
|
Term
What is a leap year and why do we have them? |
|
Definition
every 4 years there is an extra day added. this is because the earths revolution takes 365 and 6 hours to complete |
|
|
Term
How do we get sprind and fall? |
|
Definition
when the tilt of the earth is not toward or away from sun |
|
|
Term
why does the sunrise in the east and set in the west? |
|
Definition
because the earth rotates eastward |
|
|
Term
how long is the lunar phase cycle? |
|
Definition
|
|
Term
Which word means getting darker? |
|
Definition
|
|
Term
which word means getting lighter? |
|
Definition
|
|
Term
Do we always see the same side of the moon? |
|
Definition
|
|
Term
Why is the Lunar Phase Cycle take 29.5 days when a moons revolution is 27.3 days? |
|
Definition
This is because the earth is revolving too. Si the moon takes an extra 2 days to catch up with the earth |
|
|
Term
sun---moon---earth What is this? |
|
Definition
|
|
Term
sun----earth---moon What is this? |
|
Definition
|
|
Term
|
Definition
unequal daylight and nighttime hours |
|
|
Term
|
Definition
when neither hemisphere is facing sun or away, equal daylight and night hours |
|
|
Term
How much of the sun is always lit? |
|
Definition
|
|
Term
|
Definition
|
|
Term
how much of the moon is always lit? |
|
Definition
|
|
Term
what causes the phases of the moon? |
|
Definition
by the angle at which we view lit against unlit side |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
If the moon revolves around the earth then why do we not have eclipses twice a month? |
|
Definition
because they aren't in direct linement. moon is at a 5 degrees difference |
|
|
Term
If the usa sees a full moon, what will china see? |
|
Definition
|
|