Question 1 (1 point) Saved Which planet has the shortest revolution around the sun? Question 1 options: Mercury Venus Mars Earth Question 2 (1 point) Saved What is the length of a day-night cycle? Is it the same everywhere on Earth? Question 2 options: 12 hours - yes; because the sun rises and sets in the exact same place every day relative to Earth. 12 hours - no; because depending on where you are on Earth, you have a different amount of sunlight. 24 hours - yes; because the sun rises and sets in the exact same place every day relative to Earth. 24 hours - no; because depending on where you are on Earth, you have a different amount of sunlight. Question 3 (1 point) Saved Why does the sun appear to rise in the east and set in the west every day? Question 3 options: The sun is moving from east to west. Earth is rotating counterclockwise. Earth is orbiting the sun. All moons and stars have an east to west orbit. Question 4 (1 point) The diagram below shows the relative positions of Earth and the Sun at a certain time of the year. Based on the diagram, which season is occurring in the Southern Hemisphere of Earth? Question 4 options: Fall Winter Spring Summer Question 5 (1 point) Which of the following statements best explains why it is warmer at the equator than at the North Pole? Question 5 options: The equator has a larger area than the North Pole. The equator is closer to the Sun than the North Pole. The equator receives more direct sunlight than the North Pole. The equator has more hours of daylight per year than the North Pole. Question 6 (1 point) Which of the following statements best explains why the tilt of Earth on its axis causes summer to be warmer than winter in the Northern Hemisphere? Question 6 options: The warm ocean currents flow from the tropics to the Northern Hemisphere in the summer. The rays of the Sun strike the Northern Hemisphere more directly. The greenhouse effect increase in the Northern Hemisphere in the summer. The Northern Hemisphere is closer to the Sun in the summer. Question 7 (1 point) How did the Moon's craters form? Question 7 options: From variations in gravity. From volcanoes erupting. From objects crashing into the Moon. From water evaporating. Question 8 (1 point) Which is the best explanation of how the Moon formed? Question 8 options: The Moon was formed using chunks of Earth. The Moon was formed in a planetary disk. The Moon was formed by the Big Bang. The moon was formed when asteroids collided with each other. Question 9 (1 point) Which statement about moons is incorrect? Question 9 options: Moons orbit planets. Moons orbit asteroids. Moons are natural satellites. Moons never have an atmosphere. Question 10 (1 point) Select the things that would happen if the Moon were to vanish. (You may select more than one.) Question 10 options: Tides would be smaller. Eclipses would not happen. Our days would be longer. Months would be shorter. Question 11 (1 point) Saved What is another word that describes the Moon's movement around Earth? Question 11 options: rotation gravity revolution occillation Question 12 (1 point) What motion happens when the Moon spins on its axis like a top? Question 12 options: gravity revolution orbiting rotation