This imaginary line divides the Earth into the Northern and Southern Hemispheres.
What is the Equator?
This invisible force, exerted primarily by the Moon, is the main cause of Earth’s ocean tides.
What is gravity?
It takes approximately this many days for the Moon to complete one full cycle of phases.
What is about 29.5 Days or 1 Month.
This type of eclipse occurs when the Moon passes directly between the Sun and Earth, casting a shadow on Earth's surface.
What is a solar eclipse?
You should never look directly at this type of eclipse without special protective eyewear to avoid eye damage.
What is a solar eclipse?
When the Northern Hemisphere is tilted away from the Sun, it experiences this season due to receiving less direct solar energy.
What is winter?
Because of Earth's rotation, most coastal areas experience this many high tides in a 24-hour period.
What is two high tides?
This term describes the moon when it appears to be growing larger each night.
What is waxing?
A lunar eclipse can only happen during this moon phase.
What is a Full Moon?
This is the length of time it takes the Earth to make 1 full revolution around the Earth. *must be precise*
What is 365.25 days
During the Summer Solstice in the Northern Hemisphere, the North Pole experiences 24 hours of this.
What is daylight?
It's often called, "Land of the Midnight Sun"
This type of tide brings the highest high tides and lowest low tides.
What are Spring Tides?
**Daily Double** During this phase, the Moon is positioned between the Earth and the Sun, making it invisible from Earth.
What is a New Moon?
This is the darkest, central part of a shadow during an eclipse where the light source is completely blocked.
What is the umbra?
This is the length of time it takes for the tides to change from high to low, or low to high.
What is 6 hours?
Occurring twice a year, this term describes the moment when the Sun is directly over the equator, resulting in nearly equal hours of day and night everywhere on Earth.
What is Equinox?
*Daily Double*During these phases of the Moon, the Sun and Moon line up, creating the highest high tides and lowest low tides.
What are new moon and full moon?
This "curved" shape describes the moon when it is less than half-lit.
What is a crescent moon?
During a total lunar eclipse, the Moon often appears to be this color due to sunlight bending through Earth's atmosphere.
What is deep red?
If you are standing in the penumbra during a solar eclipse, what will you see?
What is a partial eclipse?
*Daily Double* This degree of tilt of Earth's axis is the primary reason different latitudes receive different amounts of direct sunlight throughout the year.
What is 23.5 degrees?
These tides occur when the Sun and Moon are at right angles (90°) to each other, resulting in the smallest difference between high and low tide.
What are Neap tides?
(*Neap and *Ninety both start with N)
What phase of the moon is depicted here?

What is waxing gibbous?
When the light is coming from the right side it's a waxing moon.
**Daily Double**This term refers to the outer atmosphere of the Sun, which becomes visible as a white halo during a total solar eclipse.
What is the corona?
*this "crown" of hot gas is usually drowned out by the sun's brightness.
Concerning tides, areas of the Earth that are in line with the moon are experiencing what kind of tide?
What is high tide?
In which position is the northern hemisphere experiencing spring?
Position D
When the tide is "coming in" and the water level is rising, it is known by this term.
What is a flood tide?
What moon phase is shown here?

What is a First Quarter Moon?
First quarter is lit on the right side.
Why don't we see a solar or lunar eclipse every single month?
The moon's orbit is tilted 5 degrees.
Daily Double**This is the reason a spring tide is stronger than a neap tide**

What is the suns gravity is combined with the moon's gravity to create stronger tides.