Lunar Phases
Eclipses
Tides
Waves and Currents
Seasons
Solstices/Equinoxes
100
What causes the phases of the moon?
It is due to the positions of the earth, moon, and sun as the moon revolves around earth.
100
What are the two positions/phases that the moon is in when we have solar and lunar eclipses?
C and A
100
What body has the greatest gravitational pull on earth and its oceans?
The Moon
100
There are two kinds of currents, one is surface currents and the other is?
Deep water currents
100
The sun rises in the ________ and sets in the ________.
Rises in the East and sets in the West
100
The longest day of the year occurs during what month and what is it called?
June and Summer Solstice
200
If the moon is lit on the right side and less than half lit, what phase is the moon in?
Waxing Crescent
200
A total solar eclipse is a rare event. Although they occur somewhere on Earth every 18 months on average, it is estimated that they recur at any given place only once every 370 years. Why are reoccurring solar eclipses so rare?
The moon passes slightly above or below the line between the sun and the earth because of its tilted orbit. The sun, moon, and earth must be in perfect alignment to have a total solar eclipse.
200
Why does the moon have a greater effect on the ocean tides than the sun?
Because the moon is much closer. The sun is 400 times bigger than the moon, but the moon is 400 times closer than the sun to earth.
200
The distance between two consecutive wave crests is called?
Wave Length
200
Why does the temperature on the land around the equator stay about the same temperature throughout the year?
It receives similar amounts of direct sunlight throughout the year.
200
What does Equinox mean?
Equal night
300
If the moon is lit on the left side and more than half the moon is illuminated, it is what phase?
Waning Gibbous
300
Where is the moon located during a total or partial solar eclipse?
Between the sun and earth.
300
When the Moon, Earth, and Sun are lined up as seen here, the gravity of the sun plus the gravity of the moon cause what kind of tide?
Spring tide.
300
Deep water currents move ocean water around the earth. What two factors cause differences in the ocean water density?
Temperature and the salinity (the amount of dissolved salts)
300
The sun does not sit in the very center of earth's orbit. As a matter of fact the sun is closest to the earth during this season?
Winter
300
The shortest day of the year is called the _________ __________ and it occurs during the month of __________?
Winter Solstice, December
400
As the phases of the moon change, and we move from step C to D and back to A, we would say that the moon is ______________, or the view of the moon we see is getting smaller.
Waning
400
What phase is the moon in when there is a Lunar eclipse?
Full moon
400
The highest of high tides and the lowest of low tides are what kind of tides?
Spring
400
As a wave gets closure to the shore the wave length ___________ and the wave height _____________.
Word Bank:
Remains the same, Increases, decreases
decreases and Increases
400
This happens just twice a year and results in a 12 hour day and a 12 hour night. Which one occurs on March 20th?
Vernal Equinox
400
What latitude line is located at 0 degrees and is where the sun's light is shinning directly on during the equinox periods?
The Equator
500
Above the northern axis of earth and looking down the moon appears to always be half lit. On earth however we see what phase?
Waning Crescent
500
Using the set-up seen here, Ms. Garcia places a golf ball between the globe and the flashlight. Turning off the lights in the room, she shines a flashlight from behind the golf ball. The students observe the shadow of the golf ball falling on the globe. What is this setup trying to model?
Solar Eclipse
500
The bulge of ocean water occurs as the earth rotates past the moon. What kind of tide is associated with the bulging oceans on the side nearest the moon as well as the opposite side of the earth?
High tide
500
If a coastal region has Diurnal tides, this means they have how many high and low tides?
1 high and 1 low
500
If it is winter in the Southern Hemisphere, which Pole is tilted towards the sun?
The north pole
500
Altogether, there are a total of how many Solstices and Equinoxes each year?
Four