Make Planet applet test and evalution version

Updated 5/27/2010

The goal of this applet is to teach about the balance of global water, land coverage, atmosphere and cloudiness required to create a "liveable planet". (See instructions, below).

Your goal is to make a habitable planet by adding enough Water, Atmosphere and Clouds to reach a global average temperature of about 15°C (59°F). You can mix and match, add or remove.

Drag (and drop) an item from the right side to the left to add that element
Drag (and drop) from the left are back to the right to remove that element
HINT You must put at least 3 clouds by the planet!!

Note -- you do not have to drop elements on top of the planet, just to the left of the vertical bar.

Contest! Who can make the planet livable in the least number of years???