Moon Phases
Studied by 0 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/22
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
23 Terms
what does rotation mean
to spin or turn
what is the rotation of the earth responsible for?
day and night
how long does the rotation of the earth take?
24 hours
what are tides the appearance of?
rising and falling levels of water, most noticeable on the oceanfront
what 3 things do you need to make a tide happen?
gravity of the sun and moon will pull on the Earth's water
the water will be in a small “bulge” or hill
the earth will rotate INTO the bulge for HIGH TIDE and OUT of the bulge for LOW TIDE
why does the moon have a greater gravitational pull on the water
because it is closer than the sun
what are the four kinds of tides?
high, low, spring, and neap
what is a high tide, and how often does it happen
highest level of the daily tide - happens two time every 24 hours
what is a low tide and how often does it happen
lowest level of the daily tide - happens two times every six hours
what is a spring tide and when does it happen? during what two moons?
it is the highest high tide. it occurs when the moons and suns gravity work together. this is during the full and new moon
what is a neap tide? when does it occur? during what moons?
it is the lowest low tide. it occurs when the moon and sun’'s gravity work AGAINST each other. this occurs during the first and third quarter moons.
what is the new moon phase?
the moons disk facing us is dark because the moon is between the sun and earth
what is the waxing crescent phase?
a little part of the moons right side is lit
what is the first quarter phase?
the right half of the moons disk is lit
what is the waxing gibbous phase?
about ¾ of the right side of the moon’s disk is lit
is waxing right or left?
right
is waning right or left?
left
what is the full moon phase?
the moon’s entire disk is lit because the earth is between the sun and the moon
what is the waning gibbous phase?
about ¾ of the left side of the moons disk is lit
what is the third quarter phase?
the left half of the moon’s disk is lit
what is the waning crescent phase?
a little part of the moons left side is lit
how many days does the moons phase cycle take?
29.5 days
does the moon revolve around the earth clockwise or counterclockwise?
counterclockwise