Earth/Moon/Sun System
The Phases
Tides
Gravity
Eclipses
100
The Earth's movement around the sun (another name for orbit).
REVOLUTION
100
This is when the moon is between the Earth and the sun.
NEW MOON
100
DOUBLE JEOPARDY!
How often do spring and neap tides occur each month?
2 times each
100
These two things affect gravity...
mass & distance
100
When does the Moon become completely dark and turns red?
Lunar eclipse
200
The Earth's movement on it's axis (2 WORD ANSWER)
COUNTERCLOCKWISE ROTATION.
200
The Earth, moon and sun are in a line and the moon looks fully bright.
FULL MOON
200
These tides produce less noticeable high and low tides.
neap tides
200
QUADRUPLE POINTS!
A person weighing 100 pounds on Earth would weigh 1/6 that on the moon. Their weight would be ___ on the moon.
about 16 pounds
200
What are the conditions for lunar eclipse to happen?
Earth should be between the moon and the sun in a straight line.
300
This causes seasons on Earth. Be specific... (need a number too)
23.5 degree tilt
300
This phase occurs after a full moon but before the third quarter.
WANING GIBBOUS
300
These tides occur during a full and new moon each month
spring tides
300
DOUBLE JEOPARDY!
If gravity from Earth stopped, the moon would...
fly off in a straight line
300
The moon is blocking the sun and casting a shadow on the Earth.
solar eclipse
400
TRIPLE POINTS!
This marks the beginning of spring when there is 12 hours of daylight/12 hours nighttime (2 WORDS)
March Equinox
400
This phase occurs shortly after a new moon.
WAXING CRESCENT
400
Tides that occur when the gravitational forces of the moon and the sun are perpendicular to each other.
neap tides
400
Gravitational pull from the _____ is more significant when it comes to causing our tides because its...
moon is closer
400
Why don't the Lunar eclipses happen on every full moon day?
It is because the Moon's orbit is tilted out of alignment during Lunar Eclipse.
or Sun, Earth, and Moon should line up exactly in the right spot on its tilted orbit.
500
What season would South Africa be having during the September Equinox?
Spring
500
When we see half of the moon lit on the left side...
third quarter
500
This alignment allows the solar and lunar gravitational pulls to combine, creating maximum tidal bulges.
spring tides
500
DOUBLE JEOPARDY!
Which two things act as opposing, balancing forces in space that dictate the motion of celestial bodies?
gravity and inertia
500
How long does it take for the Moon to orbit around the Earth?
27.3 DAYS