Earth's Tilt
Vocab
Ancient Calendars
The Seasons
100
The degree at which earth tilts either towards or away from the sun.
What is 23.5?
100
Earth's spinning on its axis is called this.
What is rotation?
100
True/False - We do not know exactly why Stonehenge was built.
What is true.
100
When the northern hemisphere is tilted towards the sun we have this season.
What is summer.
200
Sunlight hits earth most directly in this area.
What is the equator?
200
The movement of one object around another is called this.
What is a revolution?
200
True/False - The Mayans were able to predict astronomical events 3,000 years into the future.
What is true.
200
When the southern hemisphere is tilted towards the sun we have this season.
What is winter.
300
Without earth's tilt there would be none of these.
What are seasons.
300
A measurement of distance from the equator, expressed in degrees north or south is known as this.
What is latitude.
300
Early people used the cycle of this as a sort of calendar.
What is the moon. ('Moonths')
300
Daylight lasts longer in the ________.
What is summer.
400
When the northern hemisphere is tilted towards the sun daylight last for a ___________ period of time.
What is longer.
400
The two days of the year on which neither hemisphere is tilted toward or away from the sun.
What is equinox.
400
Ancient Chinese astronomers calculated the length of a year to be ____ days.
What is 365(.25)
400
True/False - Summer and winter are affected by changes in Earth's distance from the sun.
What is false.
500
When the southern hemisphere is tilted towards the sun daylight in the United States lasts for a ___________ period of time.
What is shorter.
500
The two days of the year on which the noon sun is directly overhead at either 23.5 degrees South or North.
What is solstice.
500
Ancient Egyptian astronomers used this instrument to find the position of the stars.i
What is an astrolabe.
500
If Earth's axis was ________ relative to the sun, there would be no seasons.
What is straight up and down.
M
e
n
u