PART III. SUMMATIVE TEST Directions: Encircle the letter of the correct answer. 1. The Earth is rotating on its axis, creating A. day and night B. the seasons C. the years D. the 12 months 2. Rotation of the earth takes A. Onc day B. Onc summer C. Onc winter D. Onc ycar 3. When the Earth completes a full orbit around the Sun, it has completed rotations