MOOOOn Flashcards
The Moon ________ around the Earth
Revolves
The moon rotates and revolves in
the same period of time
The ____ ____ of the moon always faces the Earth
same side
The moons revolution causes
the moon phases
It takes ____ ____ for the moon to cycle through a set of phases
29.5 days
It takes 2 extra days for the moon to go through phases than to revolve beac
the earth is revolving around the sun
1 MP
New
2 MP
waxing crescent Moon
3 MP
first quarter Moon
4 MP
waxing gibbous Moon
5 MP
Full Moon
6 MP
waning gibbous Moon
7 MP
last quarter Moon
8 MP
waning crescent Moon
Eclipses occur when
the moon crosses the plane of the Earth and Sun at Full or New Moon
A Lunar eclipse occurs at ____ ____. ______ ______ falls on the moon. (Visible at night)
Full Moon. Earth’s Shadow
A Solar Eclipse occurs at ___ ____. ____ blocks the ___. Moon’s shadow falls on _____. (Visible to only a small area)
New Moon. Moon blocks the Sun. Moons Shadow falls on Earth
During a ______ eclipse, _____ comes between the Sun and the Moon
Lunar, Earth
Solar Eclipse
when the Moon passes between Earth and Sun
Tides occur due to
The gravitational pull of th moon and the sun
Highest Tides occur at
Full and New Moon (Spring Tides)
Lowest Tides Occur at
1st and Last Moon Quarter s (Neap Tides)
Tides and phases are ______ and ___________
Cyclic and Predictable
Earth hs two main motions ________ and __________
Rotation and Revolution
Earth spinning on its axis is
rotation
Earth rotates once in __ _____. A Rate of __º/hr
24 hours, 15
________ causes day and night to alternate
Rotation
The Foucault Pendulum is proof of Earth’s
Rotation
Celestial Objects rise in the ____ and set in the ____ due to earth’s ________
Rise in East, Set in West, Rotation
Constellations ______ during the year as we _______
change, revolve
Geocentric Model
objects orbit the EARTH
Heliocentric
objects revolve around the SUN
The Planets orbit in
an Ellipse
Eccentricity measures th
oval ness
A combination of _______ and _______ keep the planets in there orbits
gravity and inertia
Velocity is greater
when a planet is closer to the sun
Objects appear larger when
they are closer
objects appear brighter
when they are closer