Unit 2 Exam Review

The diagram illustrates the Moon, Earth, and the Sun. Which event is MOST likely to be caused by this alignment of the Moon, Earth, and the Sun?

• neap tide

• new moon

• Lunar Eclipse

• Solar Eclipse

Below are four phases of the lunar cycle, but they are NOT in the correct order. Which sequence BEST shows the correct order of one lunar cycle?

• 1,2,3,4

• 4,3,2,1

• 3,4,2,1

• 3,2,1,4

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

• A

• B

• C

• D

When can lunar and solar eclipses take place?

• during a full moon only

• during a full and new moon only

• during a waning gibbous moon only

• during a waxing gibbous moon only

Dennis lives in the Northern Hemisphere of Earth and plays in the snow in December. His friend lives in the Southern Hemisphere of Earth and plays at the beach in December. What is the BEST explanation for why this is possible?

• revolution of the Moon around Earth

• revolution of Earth around the Sun

• rotation of Earth on its axis

• tilt of Earth on its axis

As seen from Earth, the appearance of the Moon changes throughout the month. What causes the appearance of the Moon to change?

• Earth revolving around the Sun

• the Moon rotating on its axis

• Earth rotating on its axis

• the Moon revolving around Earth

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

• 180

• 129

• 29

• 60

What repeating cycle is responsible for the four seasons that occur on Earth?

• revolution of Earth around the Sun

• revolution of the sun in the galaxy

• rotation of the Moon

• rotation of the Sun

When the lighted half of the Moon faces the Sun and the dark half faces Earth, the phase of the Moon viewed from Earth is called the

• full moon

• waxing crescent moon.

• waning crescent moon

• new moon

Which event occurs only twice each year?

• lunar eclipse

• new moon

• equinox

• low tide