Earth
This causes the Earth's seasons.
What is the tilt of the Earth?
The word "solar" refers to this object.
What is the "sun"?
The number of time zones on Earth is equal to this.
What is 24?
This keeps the Earth and moon in their orbits.
What is "gravity"?
This word describes the Earth spinning continuously.
What is "rotating"?
The shape of the Earth
What is a "sphere"?
The sun is a big fiery ball of gas called this.
What is a "star"?
The number of degrees longitude that separates each time zone.
What is 15 degrees?
It takes this long for the Earth to complete one full rotation.
What is 24 hours?
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
The Earth takes this long to revolve around the sun.
What is 365.25 days?
The sun rises in this direction.
What is the "east"?
You add an hour for each time zone when you are traveling in this direction.
What is East?
This object is used to study far away objects in the sky.
What is a "telescope"?
This term is used to describe the time of the year when the sun is farthest north or south of the equator.
What is "solstice"?
When it is winter in North America, it is this in Australia.
What is "summer"?
This occurs when the moon moves between the sun and the Earth, blocking some of the sun's light.
What is a "solar eclipse"?
Time "starts" in this time zone at 0 degrees longitude.
What is the Prime Meridian?
The sun appears higher in the sky during this time of year because of the tilt of the earth.
What is "summer"?
This term is used to describe the time of the year when the sun is shining directly over the equator.
What is equinox?
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
This is how the sun's rays strike the Earth during the summer months.
What is "directly"?
If it is 8:30 pm in New Jersey, it is this time in California.
What is 5:30 pm?
We have this special day every 4 years in February because it takes the Earth 365 and 1/4 days to revolve around the sun.
What is "Leap Year Day" or February 29th?
Claudius Ptolemy was a greek scholar that stated, "The Earth is the center of the universe, I have proven it." This model was called..
What is the "geocentric model"?