Show:
Seasons
Tides
Eclipses
Moon Phases
Other Stuff
100
What is the MAIN reason for season on Earth?
What is the TILT of Earth's axis?
100
How many high tides occur in a 24 hour time period?
What is 2?
100
This occurs when a shadow makes the Sun or the Moon seem to grow dark.
What is an ECLIPSE?
100

Draw a NEW moon :)

a shaded in  moon

100

What is the name of our galaxy?

What is the Milky Way?

200
What is the degree of Earth's axial tilt?
What is 23.5 degrees?
200
What is the MAIN reason for the cause of the tides?
What is Moon's gravitational pull on Earth.
200
This is the darkest part of the eclipse shadow.
What is the UMBRA?
200
Which comes first...Waxing or Waning?
What is Waxing?
200

What is the equation for eccentricity?

E = distance between foci / length of the major axis

300
What two months do Equinox's occur?
What is March & September?
300
Which type of tides have the GREATEST tidal range?
What are Spring Tides?
300
This occurs when the Sun, Moon, and Earth are in a direct line with each other, so that the Sun is completely blocked from Earth's view.
What is a SOLAR ECLIPSE?
300
Draw a Waxing Gibbous Moon.
What is an "anti-banana" shape?
300

the shape of the ellipse if the eccentricity is 1

what is a flat line?

400
What two months do Solstices occur?
What is December and June?
400
Draw the positions of the Sun, Moon, and Earth during a Spring Tide.
What is Full and New moons?
400
This occurs when Earth is located between the Sun and Moon, such that Earth blocks the Sun's light from directly striking the Moon.
What is a LUNAR ECLIPSE?
400
Draw the positions of the Sun, Earth, and Moon during a first quarter Moon.
What is a 90 degree angle?
400

the shape of the Earth's orbit

What is slightly eccentric?

500
On what date does the Sun shine directly overhead over the Tropic of Cancer?
What is June 21, 2013 (summer solstice)
500
Draw the positions of Sun, Moon, and Earth during Neap Tides.
What are 1st and 3rd Quarter?
500
Draw what an annular eclipse looks like from Earth.
What is a RING around the Sun???
500
List the Moon phases in order from New to New.
What is New, Waxing Crescent, 1st Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, 3rd Quarter, Waning Crescent, New Moon.
500
an ellipse is said to be very eccentric, the shape of the ellipse would be 

What is an oval?