Buoyant! Lighthearted! Upbeat!
All good words to describe
this breezy book, What Floats in a Moat? by Lynne Berry.
This is will a terrific
addition to the elementary science classroom for
studying buoyancy, floating and sinking, constructing things and
experimentation.
We have Archie the Goat and
Skinny the Hen arriving at a castle surrounded by a moat. Archie, who has a leaning towards a
scientific nature, is not inclined to take the drawbridge option, unlike
Skinny. “This is no time for a drawbridge.
This is a time for science!” Archie declares.
So, we get a series of
trials of different floating contraptions made up primarily of a barrel with
various amounts of buttermilk inside.
The S.S. Buttermilk, filled with buttermilk promptly sinks when cast off
into the moat. The S.S. Empty promptly
tips over because it is too unstable without any buttermilk inside. The S.S. Ballast is just right – it floats
and sinks!
By the book’s end, Skinny is
no longer a skinny hen due to drinking vast quantities of buttermilk and the
Queen who lives in the castle isn't too impressed when she finds out that
Archie doesn't have her buttermilk. The
life of a scientist is not an easy one.
The illustrations convey the
comic sensibility of the story. An author’s note fills the reader in on a
famous Greek scientist (of the human persuasion not the goat kind) Archimedes and
his principles about water displacement.
This will be a fun and practical addition
as a classroom resource.