Sun
Solar System
Moons
Earth
Atmosphere
100
Earth's Sun is this size?
What is average size
100
These other members are in the solar system besides the sun and planets?
What are comets, asteroids and moons
100
We see different phases of the moon because of this?
What is reflected light from the sun
100
This causes the length of one day on Earth to be 24 hours?
What is rotation
100
Where the atmosphere is located?
What is a thin shell around Earth
200
The Sun is this much bigger than Earth?
What is million times
200
Earth's orbit is this shape?
What is circular
200
Earth orbits the sun while the moon orbits this?
What is Earth
200
Earth's rotation causes the Sun and moon to appear to rise here?
What is the eastern horizon
200
The 4 main things in the atmosphere?
What are nitrogen, oxygen, carbon dioxide, and water vapor
300
Stars are so far away that they look like this?
What is points of light
300
This is the force that keeps the planets in orbit around the sun?
What is gravity
300
These result from seeing different portions of the lighted area of the moon's surface?
What are phases of the moon
300
Earth revolution around the sun defines the legth of a year as this many days?
What is 36 1/4
300
The atmosphere is divided into this many layers with distinct properties?
What is 6
400
How would you compare distances between stars?
What is vast
400
The regular and predictable motions in the solar system explain these 7 things?
What is a day, a year, phases of moon, eclipses, tides,meteor showers, and comets
400
The phases of the moon repeat in cyclic pattern this often?
What is a month
400
These 2 things cause the seasons?
What are revolution and tilt
400
Nearly all weather occurs in the lowest layer of the atmosphere?
What is the tropsphere
500
What are the major bodies in the solar system?
What is the Sun and planets
500
These 2 things are based on celestial observations?
What are time and the coodinate system
500
The apparent motions of the sun, moon, planets, and stars across the sky can be explained by these 2 things?
What is Earth's rotation and revolution
500
The length of daylight depends on these 2 things?
What are latitude and season
500
As altitude increase, air pressure does this?
What is decreases
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