Causes
What cause summer in the northern hemisphere to be warm?
it is tilted toward the sun
Where does the sun rise?
In the east
The invention of this made studying the sky easier and more accurate.
telescope
the imaginary horizontal line going around the center of the Earth
The Equator
Name two places that experience polar day.
The north pole and south pole
Why did ancient people believe the sun traveled around the earth?
What are the four seasons?
Winter, spring, summer, fall
Who used a telescope to observe objects in the sky, and found planets revolve around the sun?
Galileo
The half of Earth above the equator
Northern Hemisphere
What toy can be compared to the earth spinning on it's axis?
a spinning top
What cause polar night?
When one pole is tilted away from the sun and the sun does not rise for months.
Why does the equator never experience a true winter?
It is never tilted away from the sun.
Who wrote that everything revolves around Earth?
Aristotle
The northern most point on Earth
The north pole
Do all places on earth experience all four seasons?
No
What causes seasons on Earth?
Earth's tilt and wobble
What is the summer solstice?
The longest day (sunlight) of the year.
Who calculated the sun was bigger than Earth?
Aristarchus of Samos
The half of Earth below the Equator
Southern Hemisphere
How long is one Earth rotation?
24 hours
Scientist believe this is necessary for life on a planet.
a tilted planet
How long does one Earth revolution take?
365 1/4 days
How did ancient people know the Earth was round?
They watched a ship coming toward them on the water, noticing the top would appear first.
another word for Earth's axis
pole
What does Earth's rotation cause?
Day and night