Intro to Earth Science Quiz

The best evidence that the Earth has a spherical shape is provided by

• photographs of the Earth taken from space satellites

• the amount of daylight received at the North Pole on June 21

• the changing orbital speed of the earth in its orbit around the Sun

• the cyclic change of seasons

The diagrams represent four systems of imaginary lines that could be used to locate positions on a planet. Which system is most similar to the latitude-longitude system used on the Earth?

• 1

• 2

• 3

• 4

A student observed a freshly dug hole in the ground and recorded statements about the sediments at the bottom of the hole. Which statement is an inference?

• The hole is 2 meters deep.

• Some of the particles are rounded.

• The sediments were deposited by a stream.

• Over 50% of the sediments are the size of sand grains or smaller.

How does the position of Polaris appear to change as an observer travels due north from the Equator?

• The angle of Polaris above the northern horizon decreases.

• The angle of Polaris above the northern horizon increases.

• Polaris appears to move westward.

• Polaris appears to move eastward.

Keeping Earth’s roundness ratio in mind, which of the following diagrams best represents the shape of the Earth?

• 1

• 2

• 3

• 4

The diagram to the right shows latitude measurements every 10 degrees and longitude measurements every 15 degrees. What is the latitude and longitude of point X?

• 40° S, 45° E

• 50° N, 45° W

• 60° S, 30° W

• 75° N, 30° E

A pebble has a mass of 35 grams and a volume of 14 cubic centimeters. What is its density?

• 0.4 g/cm³

• 2.5 g/cm³

• 490 g/cm³

• 4.0 g/cm³

Precise measurements of Earth indicate that its polar diameter is

• shorter than its equatorial diameter

• longer than its equatorial diameter

• the same length as its equatorial diameter

The diagram to the right shows an observer on Earth measuring the altitude of Polaris. What is the latitude of this observer?

• 43° N

• 43° S

• 47° N

• 47° S

As a ship crosses the Prime Meridian, an observer on the ship measures the altitude of Polaris at 60°. What is the ship’s location?

• 60° south latitude and 0° longitude

• 60° north latitude and 0° longitude

• 0° latitude and 60° east longitude

• 0° latitude and 60° west longitude