Question 1

A _________separates Earth into two hemispheres.

Accepted Answer

A great circle is any circle that divides the Earth into two equal hemispheres, such as the equator or any meridian.

Question 2

Universal Time Coordinated is also known as___________ .

Accepted Answer

Greenwich Mean Time (GMT) is the time standard from which Universal Time Coordinated (UTC) is derived.

Question 3

The cause of Earth's seasons is the

Accepted Answer

The Earth's seasons are caused by the tilt of its axis (polarity of the axis) as it orbits the Sun, leading to varying angles of sunlight at different times of the year.

Question 4

The maximum distance between Earth and Sun occurs in July and is called the________ .

Accepted Answer

Aphelion is the point in Earth's orbit around the Sun when Earth is farthest from the Sun. This occurs in July.

Question 5

Of the following, which is the first day of spring?

Accepted Answer

The first day of spring in the Northern Hemisphere is marked by the vernal equinox, which typically occurs around March 20th or 21st.

Question 6

The Greenwich Meridian is also known as the________ .

Accepted Answer

The Greenwich Meridian is also known as the Prime Meridian, which is the zero-degree longitude line from which all other longitudes are measured.

Question 7

The Milky Wave is one of over ________galaxies in the universe.

Accepted Answer

The Milky Way is one of over one billion galaxies in the universe, as current astronomical estimates suggest there are at least 100 billion galaxies.

Question 8

Longitude is divided into multiples of_________degrees for the purpose of delimiting standard time zones.

Accepted Answer

Longitude is divided into multiples of 15 degrees to create 24 standard time zones, each representing one hour of the 24-hour day.

Question 9

At times, latitudes higher than __________ degrees can have 24 hours or more of continuous darkness.

Accepted Answer

Latitudes higher than 66.5 degrees, which is the Arctic and Antarctic Circles, can experience polar night, where there is 24 hours or more of continuous darkness.

Question 10

The "natural" baselines which serves as a baselines to measure longitude (such as the Equator which is used as a baselines for latitude) ____________ .

Accepted Answer

The answer of The "natural" baselines which serves as a...

Question 11

The world is divided into ________standard zones.

Accepted Answer

The world is divided into 24 standard time zones, each generally 15 degrees of longitude apart, corresponding to one hour of time difference.

Question 12

The constant angle between Earth's axis and the Plane of the Ecliptic is called Earth's__________ .

Accepted Answer

The constant angle between Earth's axis and the Plane of the Ecliptic is called Earth's polarity.

Question 13

Near the North Pole, one degree of latitude extends_________ kilometer(s) on the ground.

Accepted Answer

One degree of latitude is approximately 111 kilometers on the ground, regardless of the location on Earth, including near the North Pole.

Question 14

A(n)_________ is a vertical piece of metal on a sundial.

Accepted Answer

The gnomon is the part of a sundial that casts a shadow, typically a vertical piece of metal.

Question 15

The_________ points at the star Polaris.

Accepted Answer

The answer of The_________ points at the star Polaris....

Question 16

Of the following, which is a great circle?

Accepted Answer

The Equator is the only great circle among the options, as it divides the Earth into two equal halves.

Question 17

How many degrees of latitude are there between the Tropic of Cancer and the Tropic of Capricorn?

Accepted Answer

The answer of How many degrees of latitude are there...

Question 18

The________ is the name of the orbital plane on which the Earth revolves.

Accepted Answer

The ecliptic is the name of the orbital plane on which the Earth revolves around the Sun.

Question 19

Which of the following is not contained within Earth's system of latitude and longitude?

Accepted Answer

Longitude values range from 0° to 180° east or west. A longitude of 185°E is not possible within the Earth's system of latitude and longitude.

Question 20

On both the Spring and Fall equinox, the Sun's rays are vertically overhead at the__________ .

Accepted Answer

On both the Spring and Fall equinox, the Sun's rays are vertically overhead at the Equator.

Quiz 1: Introduction to Earth