The Earth's _____ on its _____ causes day and night
What is rotation and axis?
Seasons are this
What are short periods of climate change caused by changes in the amount of solar radiation (sunlight) an area receives
The Earth's tilt causes the Sun's _____ to strike the hemispheres at different angles
What is radiation?
Solstices occur this many times a year
What is twice?
A day last this many hours and a night last this many hours (same for both)
What is 12?
The Earth's _____ around the _____ takes a year
What is revolution and the Sun?
The 4 main seasons are...
What is Spring, Summer, Fall, and Winter?
Areas at a higher angle (closer to 90) receive more _____ _____ _____ (sun rays) than areas where sunlight strikes at a lower angle
What is total solar radiation?
Winter solstice is the _____ day of the year
What is shortest?
Equinox means this
What is equal night?
The Earth can be divided into _____ or halves
What is hemispheres?
The reasons for the seasons are this
What is the tilt of the Earth and its revolution around the Sun that causes seasons
Summer occurs in the hemisphere tilted this way to the sun where its radiation strikes Earth at this angle *2 answers
What is toward and higher?
Summer Solstice is the _____ day of the year
What is longest?
Sunlight strikes the Earth most directly here
What is the Equator?
A hemisphere is a _____ of the Earth
What is half?
The Earth's axis is tilted this many degrees
What is 23.5
The number of daylight hours is greater or lesser for the hemisphere experiencing Summer
What is greater?
Solstices occur when the tilt of the Earth's _____ is oriented directly toward or away from the Sun
What is axis?
Equinoxes occurs this many times a year
What is twice?
The Earth can be divided into these 4 hemispheres
The Earth's orbit around the sun is not a perfect circle, it is this
What is an ellipse?
The hemisphere receiving less radiation (sunlight) experiences this season
Solstices cause the Sun to appear to reach its _____ or _____ extremes
What is northernmost and southermost?
Equinoxes occur in these two seasons
What is Spring and Fall?