Draw a picture to answer the following: if you were on the Moon, the Earth would: Show phases the same as the Moon (when the Earth sees a full Moon, the Moon sees a full Earth). Show phases opposite to the Moon’s (when the Earth sees a full Moon, the Moon sees a new Earth). Show no phases.

Consult your picture again to answer this: If you stayed at one location on the Moon, you would probably see the Earth: Rise and set every Earth day Rise and set every sidereal month Rise and set every synodic month Stay in the same location in the sky

Why have more people seen an eclipse of the Moon than an eclipse of the Sun? Eclipses of the Sun occur much less often than eclipses of the Moon The shadow of the Moon is smaller than the shadow of the Earth Anyone on the night side of the Earth can see a total eclipse of the Moon 1 and 2 2 and 3 1 and 3

Which model’s predictions best fit the observations of Venus (shown at top)? The Ptolemaic or Earth-centered view on the bottom left The Copernican or Sun-centered view on the bottom right

What causes the seasons? In summer, all of the Earth is closer to the Sun. In summer the tilt of the Earth’s axis makes the part of the Earth we are on closer to the Sun. In summer the Sun is up for more hours. In summer the Sun climbs higher in the sky so its rays hit the ground more directly. 2 and 3 3 and 4