Unit 2 Assessment

What is the approximate length of time it takes the Moon to complete one lunar cycle?

• 14 days

• 29 days

• 180 days

• 365 days

What is the shortest day of the year?

• • 
    

    winter solstice

• vernal equinox

• autumnal equinox

One difference between the Moon and Earth is that the Moon

• has a thick atmosphere.

• revolves around a planet.

• has liquid water on the surface.

• is composed entirely of sedimentary rock.

Spring tides occur during which lunar phases?

• first quarter and last quarter

• full moon and new moon

• when the Moon is waxing

• when the Moon is waning

Which number represents the area of Earth receiving the most energy from the Sun?

• 1

• 2

• 3

• 4

Which model correctly shows the position of the Sun, Earth, and the Moon during a solar eclipse?

• A. [Diagram: Sun - Earth - Moon]

• B. [Diagram: Sun - Moon - Earth]

• C. [Diagram: Earth - Sun - Moon]

• D. [Diagram: Sun - Moon - Earth]

For a solar eclipse, the Sun, the Moon, and Earth must be in a particular alignment. Choose the correct order during a solar eclipse.

• Sun → Moon → Earth

• Sun → Earth → Moon

• Moon → Sun → Earth

• Earth → Moon → Sun

The illustration shows Earth without a tilted axis. What would happen if Earth’s axis were oriented in this way?

• Earth would stop rotating.

• There would be no seasons.

• The length of each day would change.

• All places on Earth would have equal temperatures.

For a total lunar eclipse, the Sun, the Moon, and Earth must be in a particular alignment. Choose the answer to show the order during a total lunar eclipse.

• Moon, Earth, Sun

• Sun, Moon, Earth

• Earth, Sun, Moon

• Sun, Earth, Moon

Which best describes the orbit of the Moon around Earth?

• circular with a period of about one month

• circular with a period of about one week

• elliptical with a period of about one month

• elliptical with a period of about one week