Inside view of the double Portfolder: 
 View showing Portfolder open from the opposite side...front cover (with white background) and back cover (black background):
The Portfolder contains:
- photos taken throughout the unit along with captions describing the learning process.
 - penguin acrostic poetry
 - illustration depicting what a penguin looks like above and below water
 - a penguin riddle (Guess Who? from Bridges, Math Learning Center-MLC)
 - KWL (what do I know/want to know/learned) about penguins
 - Antarctica "trip" journal
 - map showing where various penguins live
 - life cycle cards
 - penguin fact book (MLC)
 - clue cards for various penguins to sort (MLC)
 - suitcase & passport from Antarctica journey (passport, MLC)
 - water temperature experiment results (MLC)
 - penguin height graph (MLC)
 - comparison/contrast chart on various penguins
 - descriptive bubbles in which my son describes the learning process for various projects
 
Although the Portfolder doesn't completely reflect it, we also:
- took a "flight" to Antarctica
 - played a penguin Mathwire game with our homemade penguin tokens
 - read piles of penguin books, including Mr. Popper's Penguins
, and watched several penguin/Antarctica movies
 - played with penguins in our homemade penguin habitats
 - reviewed the continents and oceans of the world
 - "weighed and measured" penguins (MLC)
 
More on Portfolders.
More on our penguin unit.