Rotation
When the Earth spins on its axis.
Rotation
The Earth's movement around the Sun.
Revolution
23.5 degrees
Earth's tilt
The longest/shortest days of the year - beginning of summer/winter
Solstice
The amount of time it takes the Earth to rotate once.
24 hours
The amount of time it takes for the Earth to revolve once around the Sun.
365.25 days or 1 year
Which seasons occur when the tilt of the axis is not toward or away from the sun?
Spring/Fall
The Spring Equinox happens on this day.
~ March 21
The longest day of the year. (not date)
Summer Solstice
What is the direction Earth rotates?
counter clock-wise
or
West to East
What is the accumulation of the extra 0.25 day every four years?
Leap year
We experience seasons because of Earth's __ and __
revolution and axial tilt
The Fall Equinox happens on this day.
~ September 21
The shortest day of the year. (not date)
Winter Solstice
What is the direction the sun appears to move across the sky due to Earth's rotation?
East to West
The number of times you have revolved around the Sun.
Your age
When Earth is titled toward the Sun, it is this season.
Summer
The amount of daylight and darkness we have during an equinox.
equal amounts
or
~12 hours each
The Earth's position during the Summer Solstice.
Axis is pointed to the sun
or
The hemisphere is getting direct sunlight
Identify both:
a. Earth spins on this imaginary line.
b. The imaginary line that separates hemispheres
a. axis
b. equator
The Earth orbits the sun on a path that is this shape.
ellipse or oval
When it is Summer in the Northern Hemisphere, it is this season in the Southern Hemisphere.
Winter
The position of the Earth during an equinox.
Titled neither away from or toward the Sun
The Earth's position during the Winter Solstice.
The axis is pointed away from the sun
or
The hemisphere is getting indirect light