Seasons - Science
Terms in this set (22)
A time of the year after summer when the sun shines equally on the Northern and Southern Hemisphere
The motion of a body that travels around another body in space is called REVOLUTION
A time of the year after winter when the sun shines equally on the Northern and Southern Hemisphere
line passing through Earth's center and poles
The spinning of a body, like Earth, on its axis is called ROTATION
The shortest day of the year when the sun is furthest from a hemisphere
The time it takes a planet to complete one full rotation on its axis is called a DAY
Seasons are periods in a year marked by specific weather conditions, temperatures and length of day
the time required for the Earth to revolve once around the sun
Tropic of Cancer
a latitude line of 23.5 North of the equator
Tropic of Capricorn
a latitude line of 23.5 South of the equator
Latitude is distance north or south of the equator (an imaginary circle around the Earth halfway between the North Pole and the South Pole)
During an equinox (September 21st/Autumnal and March 21st/Vernal), sunlight shines equally on the Northern and Southern hemispheres. During this time, the sun is positioned directly over the equator
During a solstice, sunlight reaches more of one hemisphere than the other. During a solstice one hemisphere is receiving it's maximum amount of sunlight and longest day while the other is experiencing is lowest amount of sunlight and shortest days
It is a line that runs through the center of the Earth separating the Northern and Southern Hemisphere and it located at 0 degrees latitude
The path of the Earth as it revolves around the sun
The longest day of the year when the sun is closest to a hemisphere
What is the correct order of the seasons?
Winter, spring, summer, fall
Compare and contrast solstices and equinoxes
Happen one day a year
First day of a season
Solstices - sun highest/lowest in sky, Equinoxes - sun in middle in the sky
Solstices - temperature extremes, Equinoxes - Medium temperatures
Solstices - summer/winter, Equinoxes - spring, fall
How does latitude affect the length of day?
As the latitude increases, the length of day changes more drastically. For example at the equator the length of day is roughly 12 hours all year. At the poles, it can either be 0 hours of light or 24. The change is day length is more drastic as the latitude increases.
Is your shadow longer in the winter or summer?
How does the Earth's axis and Earth's movements around the sun cause the seasons?
The Earth is always tilted toward the North Star. Because of this, as we revolve the sun different hemispheres are tilted toward or away the sun at different times. On June 21st, the NH is tilted toward the sun causing summer in the NH and since the SH is tilted away then the SH is experiencing winter. This is reversed on December 21st.
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