Key Terms
Sections 1-2
Sections 3-4
Sections 5-6
Sections 7-8
100
day the Sun shines directly on the equator
What is equinox
100
What is the number of days in 1 year?
What is 365 1/4
100
When the Northern Hemisphere is tilted toward the Sun, what season is the Northern Hemisphere having?
What is Summer
100
How many days does it take the moon to make 1 revolution around the Earth?
What is 27 1/3
100
What are the 2 parts to a shadow?
What is umbra and penumbra
200
boundary formed where the first and 24th time zones meet
What is International Date Line
200
How many time zones does the United States have?
What is 8
200
If the Northern Hemisphere is tilted toward the Sun, what season is the Southern Hemisphere having?
What is Winter
200
How many hours must Earth rotate, before the moon comes back into view?
What is 24 hours and 50 minutes
200
What happens during a lunar eclipse?
What is the Moon is in the Earth's shadow so sunlight can't reach it
300
movement of a planet or other body orbiting another body
What is revolution
300
At what angle is the Earth tilted at?
What is 23 1/2 degrees
300
During the Spring (June) Solstice how many kilometers away from the Sun is the Earth?
What is 152 million km
300
How many phases of the moon are there?
What is 8
300
What happens during a solar eclipse?
What is the Moon passes between the Earth and Sun
400
passing of the Moon between Earth and Sun
What is solar eclipse
400
If it's daylight on in the Eastern Hemisphere, what time of day is it in the Western Hemisphere?
What is Night time
400
If it is summer and daylight in the United States, what is it in Australia?
What is winter and night
400
When the moon is completely dark, what is it called
What is a new moon
400
Some ancient cultures thought that a solar eclipse was what?
What is displeasure of certain spirits
500
spinning of a planet or other body on it axis
What is rotation
500
The Earth is divided into how many time zones?
What is 24
500
On the day of the Spring and Fall Equinox, how many hours are there of daylight and darkness?
What is 12 hours of each
500
What is a gibbous phase
What is phase when more than half the Moon is visible
500
How common are total lunar eclipses?
What is Rare
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