moon phases
earths seasons
rotation vs. revolution
solar system
100
How many phases does the moon have?
8
100
How many degrees is the earth tilted?
23.5 degreea
100
rotation
what is
spining of earth on its axis
100
what is the sun
the earths main source of energy
200
What is it called when the moon appears to grow?
waxing
200
Why is the Equator warmest?
the Equator is closer to the sun so receives more of its energy
200
revolution
the earth revolving around the sun
200
solar energy
the energy given of by the sun
300
How many days does it take the moon to complete a cycle?
29.5 days
300
what is a revolution?
single orbit of a planet around sun
300
what is tilt
one of the reasons for seasons the earth is tilted at 23.5 deegrees
300
Star
Planetany of the celestial bodies that revolves a star and has large enough to have become rounded by its own gravity, and has cleared its path in orbit
Stara celestial body of hot gases that radiates energy derived from nuclear reactions in the core
400
What is it called when you see less light in the moon (concave)
Crescent
400
when is the winter solstice?
december 21
400
axis
imaginary line running through the earth
400
Asteroid Belt
the region of the solar system between the orbits of Mars and Jupiter, where many asteroids are found
500
Name the eight phases of the moon?
new moon, waxing cresent, first quarter, waxing gibbous, full moon, waing gibbous, last quarter, waning crescent
500
the number of days it takes the earth to revolve around the sun.
365
500
the 4 seasons
winter, spring, summer, fall
500
Astronomical Unit
A unit of length used for distances within the solar system; 1 AU = the average distance from the Earth to the Sun