Earth Science Test 3

The line that divides the illuminated and shadowed sides of the moon is called the

How many times does the moon rotate during one revolution around the earth?

Severe solar storms that can disrupt telecommunications on Earth are called

The point in the moon’s orbit when it is closest to the earth is called its

Which phase of the moon does this image show from the perspective of an observer in North America?

Most lunar craters appear to have formed

The day in the spring or fall when the sun’s rays point directly at the Equator is called the

Without the sun, life on Earth would not be possible.

The point in the moon’s orbit when it is farthest from the earth is called its

Remember to study your guide for potential essay questions.

During the first half of the lunar month the moon is said to be

The moon has a nearly perfect spherical shape likely because

The moon's orbit is tilted at 23.5 degrees from a line perpendicular to the ecliptic plane.

The sun is composed mostly of

How does the moon's surface gravity compare with Earth’s?

In what lunar phase must the moon be during a total solar eclipse?

Compared with the temperature of the photosphere, the temperature of the corona is

An astronomical unit (AU) is defined as the distance between

A total solar eclipse is usually shorter than a total lunar eclipse.

The apparent path that the sun follows through the stars as seen from Earth's perspective is called

Gases in the moon's very thin atmosphere come mostly from its interior.

Which answer shows the correct relative positions of the sun, moon, and earth during a lunar eclipse?

Which answer shows the correct relative positions of the sun, moon, and earth during a solar eclipse?

In the Northern Hemisphere, which phase of the moon does this image show?

The sun's surface exists in what state of matter?

In what lunar phase must the moon be during a total lunar eclipse?

The solar wind is composed mostly of

The sun contains more than seventy of the naturally occurring elements.

In the Northern Hemisphere, which phase of the moon does this image show?

A day is the amount of time it takes the _________ to complete one full rotation.

In what part of the sun does fusion occur?