M.C. Escher & Tessellations Crossword

A collection of individual units that fit together without any gaps or overlaps.
In a tessellation there are no _____________ between objects.
Escher used g_______ (a type of Math) to figure out his tessellations.
Bricks, honeycomb, and f____ t____ are examples of tessellations around you.
In a tessellation many times the two objects c_______ in color and meaning. Hint: like black fish turning into white birds.
You create r_________ when you use the same object over and over again.
A master artist who is famous for his tessellations.
A type of balance where an object looks the same on both sides.
Turning an object on a point or line. Hint: the Earth does this on its axis every day.
Escher created p______ in his work by repeating shapes. Hint: it's a principle of design.
The Penrose triangle is an example of an i_________ object.
Escher used cones, spheres, and spirals that had an endless perspective also called i_______.