Maps and Atlases

What is the equator latitude?

0° N/S

What is the Tropic of Cancer latitude?

23.5° N

What is the Tropic of Capricorn latitude?

23.5° S

What is the Prime Meridian longitude?

0° W/E

What is the International Date Line longitude?

180°

What do latitude and longitude lines form?

A network called a graticule.

How does latitude divide the Earth?

Into Northern and Southern Hemispheres.

How does longitude divide the Earth?

Into Western and Eastern Hemispheres.

What is the symbol for degrees?

°

How many minutes are in one degree?

60 minutes.

What is the symbol for minutes?

'

How many seconds are in one minute?

60 seconds.

What is the symbol for seconds?

"

What comes first in coordinates, latitude or longitude?

Latitude comes first, then Longitude.

What is a one-degree graticule divided into?

100 centicules

How is a one minute graticule divided further?

By dividing into seconds

What does an atlas index provide?

Place names and features listed in alphabetical order.

What do atlas maps often have for referencing?

Alphanumeric grids.

Give an example of a ratio scale

1:25 000 000

What does a word scale represent?

One cm on the map represents two hundred and fifty kilometers.

What is the purpose of a map scale?

To calculate ground distances between features or places on a map.

What does a line scale show?

It shows how many units of measurement on a map represent how many units on the ground.

What is the conversion for 1 cm on Google Maps?

1 cm on the map = 15 km in reality.

What does a ratio scale indicate?

It tells how many units on the Earth's surface equal one unit on a map.

What does 1 : 1 500 000 mean in terms of measurement?

1 cm on the map = 1 500 000 cm in reality.

What is a large scale map?

A large scale map shows a smaller amount of area but with more detail.

What is a small scale map?

A small-scale map provides a general overview of a larger area with less detail.

What is the formula to calculate distance on a map?

Distance = Map Distance x Map Scale.

What is the formula for distance using map distance (MD) and map scale (MS)?

Distance = MD x MS

What is the conversion from cm to km?

100,000 cm = 1 km

What is the largest unit of angular measurement?

Degrees

What is the subdivision of a degree in angular measurement?

Minutes

What is the subdivision of a minute in angular measurement?

Seconds

What is the direction of latitude from the Equator?

South or North

What is the direction of longitude from the Prime Meridian?

East or West

What is the topographic map used for?

To determine position and write coordinates

What is the distance in km calculated from 5.8 cm x 15 km?

87 km