Latitude And Longitude

Question 1

What are the imaginary lines that the earth is divided up into a grid by

Answer 1

Latitude and longitude

Question 2

Based on these lines what were the 3 things that sailors were able to do

Answer 2

Navigate,tell where they were and where they were going

Question 3

Are these lines to still of any use to navigators ?

Answer 3

Yes

Question 4

Where do lines of latitude run?

Answer 4

East to west across the face of the earth

Question 5

What are lines of latitude used for?

Answer 5

To measure how far north or south( high) a sailor is

Question 6

True/False measurements of latitude were hardd for sailors to make

Answer 6

False

Question 7

What did sailors need to determine how far north or south they were

Answer 7

A clear night , the North star,a simple instrument to measure the angle of it

Question 8

What are the 2 things that latitude is based/ dictated on

Answer 8

Angles and the position of the North Star

Question 9

Why is the North Star also called Polaris or the pole star?

Answer 9

Th axis of the earth always points directly at the North Star

Question 10

Therefore If the North Star is directly over the head of a person then they are where?

Answer 10

North Pole

Question 11

The North can not be seen from which hemisphere?

Answer 11

Southern hemisphere

Question 12

In terms of angles on the North Pole the North Star should be how many 90 degrees where?

Answer 12

Above the horizon or straight up

Question 13

The latitude would therefore be what?

Answer 13

90 degrees N

Question 14

What is the horizon?

Answer 14

The place where the sky seems to touch the earth

Question 15

At the equator, the North Star would be how many degrees above the horizon?

Answer 15

0 degrees

Question 16

At the 30 degree N latitude the North Star is how many degrees above the horizon?

Answer 16

30 degrees

Question 17

What is the latitude is a sailor measures the North Star to be 52 degrees above the horizon?

Answer 17

52 degrees north

Question 18

True/False the earth was divided into latitudes after Christ and these lines have changed a lot

Answer 18

False the earth was divided into latitudes long before Christ, and these lines have stayed constant 

Question 19

Are lines of longitude based on fixed paths of celestial bodies/Northstar 

Answer 19

No

Question 20

What is longitude based on?

Answer 20

Time

Question 21

Therefore the beginning line of longitude which is called what, can be placed where as long as what

Answer 21

Prime Meridian Anywhere in the world as long as the measurements are consistent

Question 22

Where are some of the places where the prime meridian hasbeen moved

Answer 22

Paris,Pisa,Rome,Jerusalem

Question 23

It has always been a what type of placement instead of a scientific placement

Answer 23

Political placement

Question 24

The prime meridian was placed through where.Why?

Answer 24

Greenwich,England because England used to own everything

Question 25

What are the 3 things that might happen to a sailor I’d they don’t know their longitude

Answer 25

Shipwreck
Lost
Scurvy
Pirates

Question 26

Lines of longitude run wherevacriss the earth

Answer 26

North and south

Question 27

Lines of longitude are not beaded in the North Star but on what

Answer 27

The rotation of the earth

Question 28

Why are the lines of longitude based on time

Answer 28

Because the earth rotates once every 24 hr

Question 29

What degrees does the prime meridian measure at

Answer 29

0 degrees

Question 30

Where is the international date line located?Whta degree

Answer 30

Directly around the world for: the prime meridian 180 degrees

Question 31

The earth in between these 2 lines has unnamed lines of longitude that are meansured in degrees where?

Answer 31

East and west

Question 32

At what degree speed is the earth going per hour

Answer 32

15 degrees per hour

Question 33

How do u find longitude

Answer 33

Know time of prime meridian - time where u are =