Length of day and night Flashcards
when the sun is at its highest or lowest point
solstice
How many times in a year does a solstice happen?
twice
the length of day and night are equal
equinox
When is the Summer Solstice in the Southern hemisphere?
December 21
When is the Summer solstice in the northern hemisphere
June 21
When is the winter solstice in the southern hemisphere
June 21
When is the winter solstice in the northern hemisphere
December 21
When is the Spring equinox in the Northern hemisphere
March 21
When is the Spring equinox in the Southern hemisphere
September 21
When is the Autumnal Equinox in the Northern Hemisphere
September 21
When is the Autumnal Equinox in the Southern Hemisphere
March 21
Why does the earth’s surface receive varying sunlight
Due to the curvature of the planet
How many seasons does areas near the equator have?
2
How many seasons does areas in the mid-latitude have?
4
cold temp, reduced daylight, and dormant vegetation
winter
vegetation begins to emerge, trees sprout new leaves, flowers bloom
Spring
highest temperature of the year, longest days, promoting rapid plant growth
summer
weather cools down, many trees shed their leaves
atumun
imaginary line of latitude located approx. 23.5 degrees north of the equator, summer season
Tropic of Cancer
imaginary line of latitude located approx. 23.5 degrees south of the equator, winter season
tropic of capricorn
What causes seasons?
tilt of the earth’s axis and its orbit around the sun
