Understanding Latitude and Longitude

What is the horizontal circle that cuts across Earth's center called?

• Greenwich Line

• International Date Line

• Equator

• Prime Meridian

Which circle is known as the Prime Meridian in one half and the International Date Line in the other?

• Greenwich Circle

• Prime Meridian

• Equator

• Vertical Circle

How many degrees of longitude does traveling 1/4 of the way around the planet west of the Prime Meridian represent?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

What is the latitude of the North Pole?

• 45 degrees North

• 90 degrees North

• 180 degrees North

• 0 degrees

Are latitude lines parallel to each other?

• Only at the poles

• Yes, they are parallel

• No, they intersect

• Only at the equator

What is the location of Upheaval Dome in terms of latitude and longitude?

• 38 degrees South, 109 degrees East

• 38 degrees North, 109 degrees West

• 45 degrees North, 90 degrees West

• 90 degrees North, 180 degrees West

How many nautical miles is one minute of longitude at the equator?

• One nautical mile

• One statute mile

• One kilometer

• Ten nautical miles

What is the maximum distance that one minute or one degree of any interval will have?

• At the International Date Line

• At the poles

• At the equator

• At the Prime Meridian

What is the conversion ratio of nautical miles to land or statute miles?

• 1 nautical mile = 2 statute miles

• 1 nautical mile = 0.5 statute miles

• 1 nautical mile = 1 statute mile

• 1 nautical mile = 1.16 statute miles

What unit is used to measure speed of ships?

• Feet per second

• Miles per hour

• Knots

• Kilometers per hour