Earth In Space Flashcards
the sun has a _____ gravitational pull than earth
larger
the moon has a _________ gravitational pull than earth
smaller
the moon has a _________ gravitational pull than the sun
smaller
gravity pulls objects __________ each other
towards
the force of gravity depends on what 2 things ________________
mass and distance
what cause seasons
tilt axis
what cause day and night
Rotation
what day marks the beginning of summer
June 21 - summer solst
During which season is earth tilted away from the sun with colder temperatures and shorter day
winter
Would a bigger object or a smaller object have more gravity?
bigger
What day marks the beginning of winter
Dec 21- winter solstice
what day marks the beginning of spring
Vernal equinox - March 21
what day marks the beginning of fall
Autumnal equinox - September 21
the amount of matter inside an object
mass
How does gravity effect weight?
More gravity = more weight
How long does a cycle of the moon last?
29 days (1 month)
What is the source of the moon’s light?
the sun
What phase is the moon when it is completely lit?
full moon
When the moon is between the sun and the moon and blocks the sun
solar eclipse
How long does it take for the earth to revolve around the sun?
365 days (1 year)
How long does it take for the earth to rotate on its axis?
24 hours (1 day)
Spinning on its axis
Rotation
one object moving around another
revolution
during which time is the earth tilted toward the sun
summer
when is the autumnal equinox
September
What day is the winter solstice
December 21
Why is it warmer in the summer?
because the earth is tilted toward the sun
