Review Questions on Lunar and Solar Eclipses

Which diagram best represents the appearance of the moon to an observer on Earth when the moon is at position B?

• 🌑

• 🌒

• 🌓

• 🌕

The moon would not be visible from Earth when the moon is at position

• A

• E

• C

• D

Why would an observer on Earth see a complete cycle of phases of the moon in approximately one month?

• The moon rotates on its axis.

• The moon revolves around Earth.

• Earth rotates on its axis.

• Earth revolves around the sun.

If the distance of the moon from Earth were to increase, the length of time the moon would take to complete one revolution around Earth would

• decrease

• increase

• remain the same

The shadow of the moon may fall on Earth at position

• A

• B

• C

• D

At which positions of the moon do the smallest high tides occur on Earth?

• C and E

• A and D

• B and C

• A and B

If a full moon occurs on November 1, the next full moon phase will occur about

• November 22

• November 30

• December 6

• December 13

In the open ocean, a bulge of water two to three feet high that follows the moon’s movement around Earth is a

• tide

• tsunami

• wind wave

• surface ocean current

The following diagram represents a north polar view of Earth in relation to the moon and the sun. The tides that occur when the sun, moon, and Earth are in the relative positions indicated by the diagram are best described as

• the highest high tides and the lowest low tides

• the highest high tides and the highest low tides

• the lowest high tides and the lowest low tides

• the lowest high tides and the highest low tides

A high tide occurs at Boston on a certain day at 3 P.M. The next high tide may be expected to occur at

• 9:26 P.M. the same day

• 3:26 A.M. the following day

• 9:52 A.M. the following day

• 3:52 P.M. the following day