These days have equal hours of daylight and darkness.
What are Spring and Fall equinox (March 21 and Sept 21)
100
The phase of the moon when we cannot see the moon.
What is new moon?
100
This eclipse happens when Earth passes between the Sun and Moon, and Earth casts a shadow on the moon.
What is a Lunar eclipse?
100
What is the length of time it takes the Earth to revolve around the sun?
365 days or one year
100
These are the phases of the moon during which a Spring Tide would occur.
What is new moon and full moon?
200
The northern hemisphere will experience Summer because the Southern hemisphere will be experiencing this opposing season.
What is winter?
200
The phase of the moon that is completely illuminated by the sun?
What is a full moon?
200
This eclipse happens when the disk of the moon appears to fully cover the sun.
What is a Solar eclipse?
200
What is the length of time it takes the Earth to rotate one time on its axis?
about 24 hours
200
The length of a lunar cycle.
What is 27.3 days?
300
In the Northern Hemisphere, this is the name of the shortest day of the year and the first day of winter.
What is the winter solstice?
300
This is the source of the moon's light.
What is the sun?
300
This is the main cause of tides on Earth.
What is the moon's gravitational pull?
300
These are the tides that have lower high tides and higher low tides.
What are neap tides?
300
Daily Double.
(Make a wager)
How long will it take for Coastal waters to go from high tide to low tide?
400
The winter solstice happens on this date.
What is December 21?
400
Name this moon phase.
What is waxing crescent?
400
This is the moon phase that a lunar eclipse occurs.
What is a full moon phase?
400
Daily Double
(Make a wager)
The number of times you have traveled around the sun if you are 10 years old.
400
This is the main cause of seasons on Earth.
What is Earth's 23.5 degree tilt on its axis?
500
Earth's temperatures and hours of daylight stay the most constant at this latitude.
What is the equator?
500
This is the reason for the different shapes of the moon.
What is only part of the moon gives off light reflected from the sun at different times of the month because of the angle of sunlight hitting it as it orbits the Earth
500
The reason we don't have an eclipse during every new moon or full moon.
What is the moon's orbit is on a tilt so the sun, moon, and Earth only line up twice a year for an eclipse?
500
What is the number of natural satellites the planet Earth has?
one (our moon)
500
What are the scientific names for the two equinoxes?