Show:
Solar System
Moon phases
Planetary motion
Seasons
Random
100
Which planet has the shortest and fastest orbit?
Mercury, closer planets have less distance to travel so they are faster.
100
What is this moon?
full moon
100
What is it called when a planet spins around its axis?
rotation
100
What causes planets to have seasons?
Tilt of the planets axis
100
Where is the moon during a lunar eclipse?
in the shadow of the earth (behind the earth)
200
Which planet has the most elliptical orbit?
Neptune
200
How long is one full revolution of the moon around the earth?
27.3 days. Almost 1 month.
200
What is a solar year?
One revolution around the sun.
200
If the northern hemisphere is tilted away from the sun what type of season would you expect in New york?
Winter.
200
Why does the moon have different phases?
it depends on the part of the sunlit side that faces earth.
300
What word do we use to describe Copernicus' discovery that the sun is the center of the solar system?
heliocentric
300
What do you call a shrinking moon?
Waning
300
IPAD CHALLENGE: Which planet has the longest solar day?
and how long is a day on that planet?
Venus, 243 earth days.
300
What season is it on Christmas day in South Africa?
Summer
300
What causes tides? what makes spring tides special?
Gravity of the moon. spring tides have the moon and the sun's gravity combine for larger tides.
400
IPAD CHALLENGE: Draw a picture of the milky way galaxy and name the type of galaxy it is.
The milky way is a spiral galaxy.
400
A moon that is going from 51% (.51) to 99% (.99) lit is what type of moon?
waxing gibbous
400
Copernicus proposed a model where planets went around the sun in perfect circles. What part of this model was incorrect?
Planets do not go in perfect circles. they have an elliptical orbit.
400
FIRST TEAM ONLY: What do you call the shortest day of the year?
Winter Solstice
400
Gravity depends on what two factors between objects?
Distance and Mass.
500
Name 3 celestial bodies in our solar system that are not planets.
many answers: Pluto, Astroid belt, Kuiper belt, Titan, Sun...
500
FIRST TEAM ONLY:
IPAD CHALLENGE: When is the next new moon?
Feb. 14 2014
500
One year on earth is 365.25 days. A calandar year is only 365 days. How do we adjust for that 1/4 of a year?
there is an extra day every four years, (leap years)
500
list the dates and seasons for the two equinox
march 21 (spring) september 21 (fall)
500
Which planet has more gravity towards earth, mars or mercury? and why?
Mars because it is bigger (MASS) and closer (DISTANCE)