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Days
Years
Seasons
The Moon
Tides
100
Rotation
What determines the length of a day?
100
The path Earth travels as it orbits the sun.
What is revolution?
100
Specific time of the year characterized by recurring weather conditions.
What is the term, season?
100
Keeps the moon in orbit around Earth.
What is gravity?
100
The sun, moon, and Earth make a straight line (180 degree angle) when these occur.
What is a spring tide?
200
24 hours
What is the length of one day?
200
One complete year.
What is 365 and a 1/4 days?
200
The noon sun is lower in the sky during this season.
What is winter?
200
A large, dark, round object in the sky can be seen when this event takes place.
What is a lunar eclipse?
200
This pull has the greatest effect on tides.
What is the moon's gravitational pull?
300
12 hours
What is the average amount of sunlight every part of the Earth receives per day?
300
First major city in the world to experience the new year.
What is Sydney, Australia?
300
This varies less at the equator.
What is temperature?
300
These types of eclipses take place when the moon is between the sun and Earth.
What is a solar eclipse?
300
High Tide - Low Tide
What is tidal range?
400
The act of something turning on it's axis
What is rotation?
400
4 of these occur in one year
What are seasons?
400
The cycle from one new moon to the next new moon takes this long.
What is a month?
400
A tide of minimum range that occurs two times a month.
What is a neap tide?
500
Measurement of tilt of Earth's axis
What is 23.5 degrees?
500
The 1/4 in 365 1/4 explains why we have this every four years.
What is a leap year?
500
Falls on June 21st and Dec 22nd.
What is a solstice?
500
This list of positions represents a lunar eclipse.
What is sun, Earth, moon?
500
Phases of the moon during which spring tides take place.
What are new moon and full moon?