Download Chapter 23 Vocabulary link - Flushing Community Schools

Chapter 23 Vocabulary for ISN
Please glue the TERMS to the page! Match the term with the definition and
use the definition as a flap OVER the term.
A round, threeTheory that says
the Moon formed
4.6 billion years
ago from Earth
material thrown
off when a large
object collided
with Earth
Dark, flat areas
formed when
cracks in the
Moon’s crust
caused lava to fill
large craters.
This phase is after
a full moon when
more than half of
the lit side is still
visible on the left
hand side.
After a full moon,
when less of the
illuminated half
of the Moon is
visible each night.
These phases are
lit on the left
Another word for
craters or
depressions left
by objects
striking the Moon
Astronauts on
this mission
landed on the
Moon in 1969.
dimensional
object whose
surface at all
points is the same
distance from its
center
Depressions on
the Moon’s
surface formed
from meteorites,
asteroids, and
comets
When the Earth
or the Moon
casts a shadow
on the other
When more of the
illuminated half of
the Moon can be
seen each night.
After a new moon
the phases are
called this. The lit
sections of these
phases are on the
right.
When Earth’s
shadow falls on the
Moon
The lighter colored
outer shadow cast
by the Moon or the
Earth during a
solar or lunar
eclipse. If you are
in this area you
would see a partial
eclipse
When the Moon
The darkest part
moves directly
of the shadow
between Earth
cast by the Moon
and the Sun,
or the Earth
shadowing part of
during a solar or
Earth
lunar eclipse.
When more than
one quarter of
the moon is
visible after a
new moon. More
than half of the
moon is lit on the
right hand side
First visible,
thin slice of the
moon after a
new moon. Less
than half of the
moon is lit on
the right hand
side
Occurs on
September 22 or
23 in the
northern
hemisphere
The different
forms the Moon
appears to take
when it is
viewed from
Earth
The moon phase
when the Moon
is between Earth
and the Sun and
cannot be seen
Occurs June 21
or 22 in the
northern
hemisphere
Occurs
December 21 or
22 in the
northern
hemisphere
The day when
the Sun is
directly over
Earth’s equator
and daylight and
nighttime hours
are equal all
over the world
An imaginary
line joining
Earth’s
magnetic poles
The spinning of
Earth around its
axis that causes
day and night
An elongated,
closed curve.
Earth’s orbit is
shaped like this
An imaginary
vertical line
around which
the Earth spins
Earth’s yearly
orbit around the
Sun
This lunar orbiter
provided
information for a
global map of the
moon, showed
that the lunar
crust is thinner
facing Earth, and
discovered ice in
deep craters at
the lunar poles.
All of the
Moon’s lighted
side is visible
during this
Occurs on March
20 or 21 in the
northern
hemisphere
The day when the
Sun reaches its
greatest distance
north or south of
the equator
Scientists
believe that this
is generated by
the movement
of material
inside Earth’s
core combined
with the Earth’s
rotation.
sphere
axis
rotation
ellipse
solstice
equinox
moon
phase
new
moon
waxing
moon
full
moon
waning
moon
solar
eclipse
lunar
eclipse
maria
impact
basin
revolution
waning
gibbous
magnetic
axis
summer
solstice
winter
solstice
spring
equinox
fall
equinox
waxing
gibbous
umbra
waxing
crescent
Impact
Theory
Apollo 11
Clementine
Earth’s
Magnetic
Field
penumbra
eclipse
craters