Universe
Stars
The Earth
Rotation
Revolution
100
the Milky Way
What is name of the galaxy we live in?
100
Red
What is the color of the coolest stars?
100
23 1/2 degrees
What is the angle of tilt of the Earth's axis??
100
24 hours
How long does it take for one rotation of the Earth?
100
the reasons why Earth has seasons
What is the tilt of Earth's axis?
200
The distance that light travels in one year
What is a light year?
200
the brightness of a star
What is magnitude?
200
holds Earth's atmosphere in place
What is gravity?
200
the longest day of the year in the Northern Hemisphere
What is June 21?
200
direct rays
What kind of rays heat up the Earth the most?
300
imaginary figures in the sky
What are constellations?
300
temperature and age
What does the color of a star about the star?
300
75%
How much of the Earth is covered by water?
300
one-half
How much of the Earth has daylight/darkness at one time?
300
March 21 and September 21
When are day and night equal everywhere on Earth?
400
8
What is the number of planets in our solar system?
400
distance from Earth, size of star, and color
What determines the magnitude of a star?
400
crust, mantle, core
What are the layers of the Earth?
400
west to east
What is the direction that Earth rotates?
400
12 months
What is the time it takes for one revolution of the Earth?
500
the Sun and everything in it
What is the solar system?
500
8 minutes
What is the time it takes for light to reach Earth from the Sun?
500
where the Sun's heat is just right for life
What is the habitable zone?
500
longest day of the year in the Southern Hemisphere
What is December 21?
500
first day of winter in the Southern Hemisphere
What is June 21?
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