Day and Night
During night the Earth is in _____.
Shadow.
How many degrees is the tilt of Earth's axis?
23.5 degrees
Longitude goes which direction, and is measured up to how many degrees?
north/south direction
0-180 degrees east and west
Earth has _______ seasons.
4
In an accurate model of the Earth's revolution the ___ has to be facing the same way all around.
axis
Day and Night is caused by what?
The rotation of the Earth on it's imaginary axis.
Earth's two hemispheres with opposite seasons are the _____ and _____ hemispheres.
North, South
Latitude goes which direction, and is measured in how many degrees?
0-90 degrees north and south
Which season has the most direct sunlight?
Summer.
How long is the moons orbit around the Earth?
27.3 days. (28 or 27).
During day we are the side of Earth that is facing the ___.
Sun!
What location does the prime meridian pass through on Earth.
Greenwich, England
Earth's revolution around the Sun takes how long?
365.25 days.
Fall season is sometimes called __________.
Autumn.
The position from which an observation is made is called _______ __ _______.
point of view
Day and Night last around how many hours each at the equator?
12 hrs.
What are the Earth's subsystems?
The biosphere, hydrosphere, geosphere, and atmosphere.
The equator is the hottest place on Earth because it consistently gets the most _____ _______.
Direct Sunlight.
Which season has the lowest solar angle?
Winter.
Leap year is caused by __________
the extra 0.25 in each year.
How many hours are day and night combined.
24 hours.
Earth has imaginary lines of locations running over Earth it called _______ and ________.
Latitude, Longitude.
Earth's axis always points to __________
The North Star or Polaris.
When it is summer in the Northern Hemisphere what season is it in the Southern hemisphere?
Winter.
Earths orbit is actually slightly ____.
oval