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Sun
Solar system
moon
earth
atmosphere
100
Earths 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 moons and asteroids
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
what is the atmosphere
What is a thin shell around earth
200
The sun is this much bigger than earth
What is a million times
200
Earths orbit is this shape
What is circular
200
earth orbits the sun while the moon orbits this
What is earth
200
Eaths 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 are 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 lighted area of the moons surface
What are phases of the moon
300
Earths revolution around the sun defines the length of a year as this many days
What is 364 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 the 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
nearlyall weather occurs in the lowest layer of the atmosphere
What is the troposphere
500
What are major bodies in the solar system
What is the sun and planets
500
these 2 things are based on celestial observations
What are tide and the coordinate system
500
the apparent motions of the sun moon planets and stars across the sky can be explained by these2 things
What is earths rotation and revolution
500
the lenght of daylight depends on these 2 things
What are latitude and season
500
as altitude increases air pressure
What is decreases