5 Written questions
5 Matching questions
 Cycloid (Challenge)
 Configuration
 Encyclopedic
 KUKLOS
 FIGURA
 a <G. "wheel," "circle"
 b adj. 1. Resembling a circle; circular 2. Smoothedged, more or less circular in form, and having concentric striations 3. (of a fish) Having such scales 4. Psychiatry, of or noting a personality type characterized by wide fluctuation in mood within the normal range n. 5. A cycloid fish 6. Geometry, a curve generated by a point on the circumference of a circle that rolls, without slipping, on a straight line
 c n. A shape or outline; a method of arrangement
 d adj. Possessing information about many subjects or intensively about one subject
 e <L. "form," "shape"
5 Multiple choice questions
 n. The outer boundary of a circle; the perimeter
 n. 1. Roman Catholic Church, a letter addressed by the pope to all the bishops of the church adj. 2. (of a letter) Intended for wide or general circulation; general
 <L. "circle," "anything round"
 adj. Traveling, etc., around the sun
 adv. prep. About; (used especially in) approximate dates
5 True/False questions

Orb → <L. "circle," "anything round"

Cyclotron (Challenge) → adj. 1. Resembling a circle; circular 2. Smoothedged, more or less circular in form, and having concentric striations 3. (of a fish) Having such scales 4. Psychiatry, of or noting a personality type characterized by wide fluctuation in mood within the normal range n. 5. A cycloid fish 6. Geometry, a curve generated by a point on the circumference of a circle that rolls, without slipping, on a straight line

Circlet (Challenge) → n. 1. A small circle 2. A ring 3. A ring shaped ornament, especially for the head

Prefigure (Challenge) → v. 1. To show or represent beforehand by a figure or type; foreshadow 2. To picture or represent to oneself beforehand; imagine

Circumlunar (Challenge) → adj. Rotating about or surrounding the moon