1. What term is used to indicate one complete rotation of a planet? A. day B. season C. year D. night 2. Why does the sun set in the west? A. The earth rotates clockwise B. The earth revolves clockwise C. The earth revolves counterclockwise D. The earth rotates counterclockwise 3. Why do we experience a higher temperature at noontime? A. We are receiving straight rays from the sun C. Earth is closer to the sun at noon B. We are receiving diagonal rays from the sun D. Earth is rotating slower at noon 4. Earth's axis is tilted 23.5 degrees from the vertical. What do we experience as a result of this tilt? A. exact hours of daytime and nighttime at any place B. longer days and shorter nights at any place C. Unequal days and nights at any place D. Length of daytime and nighttime varies at any place 5. Why do places on earth experience day and night? A. because of the earth's rotation on its axis C. because of the moon's rotation D. because the earth revolves around the sun B. because the moon revolves around the earth 6. How do we know that the earth is moving? A. alternating tides C. alternating day and night D. coming of El Nino and La Nina B. watching the phases of the moon planet to complete one revolution around the sun called?