Difference between revisions of "Marble/C2/Globe---A-true-model-of-Earth/English"

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||'''Slide Number 1 '''
  
 
'''Title Slide '''  
 
'''Title Slide '''  
 
|| Welcome to the spoken tutorial on '''Globe - A true model of the Earth'''.
 
|| Welcome to the spoken tutorial on '''Globe - A true model of the Earth'''.
 
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'''Learning objectives'''  
 
'''Learning objectives'''  
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* Grid and coordinates  
 
* Grid and coordinates  
 
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'''System Requirement '''  
 
'''System Requirement '''  
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*'''Marble''' version 2.2.20  
 
*'''Marble''' version 2.2.20  
 
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'''Pre-requisites '''  
 
'''Pre-requisites '''  
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|| On the '''Marble''' interface, the topographical map of Earth is the '''Virtual''' globe.  
 
|| On the '''Marble''' interface, the topographical map of Earth is the '''Virtual''' globe.  
 
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'''Globe'''  
 
'''Globe'''  
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For that reason '''America '''is not shown on this globe.  
 
For that reason '''America '''is not shown on this globe.  
 
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''' Assignment'''  
 
''' Assignment'''  
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||Let us summarize.  
 
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'''Summary'''  
 
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'''Assignment'''  
 
'''Assignment'''  
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2. Find the Indian states through which the '''Tropic of Cancer''' passes.  
 
2. Find the Indian states through which the '''Tropic of Cancer''' passes.  
 
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'''About Spoken Tutorial project '''  
 
'''About Spoken Tutorial project '''  
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Please download and watch it.  
 
Please download and watch it.  
 
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Spoken Tutorial workshops.  
 
Spoken Tutorial workshops.  
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For more details, please write to us.  
 
For more details, please write to us.  
 
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Forum for specific questions:  
 
Forum for specific questions:  
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|| Please post your timed queries in this forum.  
 
|| Please post your timed queries in this forum.  
 
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'''Acknowledgement '''  
 
'''Acknowledgement '''  

Revision as of 16:44, 6 September 2019

Visual cue
Narration
Slide Number 1

Title Slide

Welcome to the spoken tutorial on Globe - A true model of the Earth.
Slide Number 2

Learning objectives

In this tutorial we will learn about,
  • Behaim globe and historical map
  • Continents and oceans
  • Significance of latitudes and longitudes
  • How to change the colour of latitudes and longitudes
  • Grid and coordinates
Slide Number 3

System Requirement

To record this tutorial, I am using;
  • Ubuntu Linux OS version 16.04
  • Marble version 1.8.3.

The process demonstrated in this tutorial is identical in

  • Ubuntu Linux OS version 18.04
  • Marble version 2.2.20
Slide Number 4

Pre-requisites www.spoken-tutorial.org

To practise this tutorial, learner should be familiar with Marble interface.


For the prerequisite Marble tutorials, please visit this site.

Cursor on the globe. On the Marble interface, the topographical map of Earth is the Virtual globe.
Slide Number 5

Globe

Let us learn about what is a globe.
  • The word globe comes from the Latin word globus, meaning sphere.
  • The earliest terrestrial globe was made by Martin Behaim in 1492.
Go to MapView and select Behaim Globe 1492.

Point on the globe.

Let us go to Map View and select Behaim Globe 1492.

This is the oldest model of Earth in the form of a sphere.

Globe select Legend panel.Go to Places (in German). To see more features of this globe, let us select Legend panel.
Scroll down the Legend panel Scroll down the Legend panel to see Places (in German).
Select Behaim Places checkbox. Select Behaim Places checkbox.

This shows the places depicted by Behaim in 1492.

Select checkbox Texts and Illustrations. Select Texts and Illustrations checkbox.

In this globe, inscriptions are shown in German.

Rotate and point on the Behaim Globe. In this globe, there is no clear demarcation between continents and coastlines.
Rotate and point on the Behaim Globe.

Rotate the globe to show America.

This globe was made by Behaim and his collaborators to discover the West.

For that reason America is not shown on this globe.

Slide Number 6

Assignment

An assignment for you.

Explore the expanded versions of Behaim globe.

Hint: Use Legend panel.

Click Map view >> select Historical Map 1689. Let us go to Map View and select Historical Map 1689.
Rotate and point on Historical Map 1689.


Point on continents, latitudes and longitudes.

In this globe we can see,
  • The continents
  • Latitudes and
  • Longitudes
Click on Atlas view.

Point to light green and yellow color.

Point to oceans.

Let us go back to our default view.

We can see that land area is represented by light green and yellow colors.

Water is represented by blue colour.

Click on the drop-down button, next to the Globe View >>Flat View option.


Point to Flat View map.

Click on the dropdown button, next to Globe View.

And select Flat View option.


Now we can see all the continents and oceans in the same plane.

Rotate and Point to different continents. Observe that the land of earth is divided into seven continents.

Asia, Europe, Africa, North America, South America, Australia and Antarctica.

Move and point to different oceans.


Global Ocean is the interconnected system of water bodies.

For convenience water bodies have been grouped into oceans like

  • Pacific Ocean
  • Indian Ocean
  • Southern Ocean and
  • Atlantic Ocean
Click on the label of pacific ocean. Now we open the Place information data sheet of Indian ocean.
Scroll down to show information. I will scroll down to show the information.

Click on the Close button to close this sheet.

Click on default view. Let us go back to the default view.
Go to MapView and click on Political Map Let us go to MapView and select Political Map.
Cursor on the globe. We will hide the panels for better view of the globe.
Go to Settings menu >> select Panels.

In the sub-menu, select Hide All Panels.

Go to the Settings menu and select Panels.

In the sub-menu, select Hide All Panels.

Rotate and show Political map shows boundaries of countries and location of major cities.
Point on Asia.

Zoom in and show countries clearly.

Point on the countries.

We will go to Asia and see the main countries of Asia.

Let us zoom in to see the countries Russia, China, India, Mongolia, and others.

Point on Africa.

Point on the countries.

Similarly we can find the other countries from each continent.
Let us go back to the default view.
Go to Settings menu >> select Panel >> select Show All Panels. Go to Settings menu and select Panels.

Select Show All Panels.

Click on Atlas View. Then click on Atlas View.
Point to the red dot of North pole. Notice a red dot on the top of the globe. It is the North pole.
Rotate the globe.


Cursor on South pole.

Let us rotate the globe downward to see the other red dot.

It is the South pole.

Rotate the globe to its default view.

Cursor on the Equator.


Point two equal halves of globe

The yellow horizontal line running around the globe is the Equator.

It divides the earth into two equal parts.

Point on parallel lines on both sides of the Equator. Here we see some lines parallel to the equator.
Point on parallel lines on both sides of the Equator. Since these lines are parallel to theEquator, they are called parallels of latitudes.
Rotate the globe point to horizontal lines on the globe.

Shows parallel lines in the globe.

Notice that some lines are connected from the North Pole to the South Pole.

These lines are Meridians of longitudes.

Point to Prime Meridian. Prime Meridian is the main Meridian of longitude.
Point on Prime Meridian.

Show the division

It is an imaginary line that divides the earth vertically into two equal halves.
Scroll and show the additional material More information about latitudes and longitudes is available in the Additional material link.
Point to latitudes and longitudes. Let us now change the color of latitudes and longitudes for better visibility.
Go to the Settings menu >> select Configure Marble Virtual Globe option. Go to the Settings menu and select Configure Marble Virtual Globe option.
Point to Configure window. Configure window opens.
Point to the left panel.

Select Plugins option.

Point to the menu.

From the left panel, select Plugins option.

Plugins menu opens.

Click on the Configure button corresponding to Coordinate Grid check-box.


Point on Coordinate Grid Plug-in dialog box.

In the menu, click on the Configure button corresponding to Coordinate Grid check-box.


Coordinate Grid Plugin dialog box opens.

Point to Grid, Tropics, Equator.


Click on the Grid button.

Here we can change the colors of Grids, Tropics and Equator.


Click on the Grid button.

Point on the Color box >> select dark brown color.

Click on the OK button .

Color dialog box appears on the screen.

In the box, I will select dark brown color.

Click on the OK button in the color box.

Click on the Tropics button.

Point on Color box >> select red color.

Click on the OK button .

Next click on the Tropics button.

Colour box appears again on the screen.

I will select red color and click the OK button.

Select red colour >> click the OK button. Similarly I will change the colour of Equator to black.
Click OK button in Coordinate Grid plug-in dialog box. Click on the OK button in the Coordinate Grid plug-in dialog box.
Click on the OK button of the Configure window. Click on the OK button in the Configure window.
Point on Grid, Tropics and Equator Observe the change in the colors of Grid, Tropics and Equator.
Point to the latitudes and longitudes.


Point to globe.

For convenience, most of the globes show only a few longitudes and latitudes.

But the actual globe has a parallel system of longitudes and latitudes.

Go to the settings menu and select Configure Marble Virtual Globe option. Go to Settings menu and select Configure Marble Virtual Globe option.
Configure window opens.

Point to View menu.

Configure window opens.

Select View option from the left panel.

Click on Angle drop down under Units.

Select Universal Transverse Mercator.

In the menu, under Units, click on the Angle drop down.

Select Universal Transverse Mercator.

Click on Apply button >> click Ok button. Click on Apply button and then click on the OK button.
Point on Geographic Grid system on the globe. Observe that longitudes and latitudes form a crisscross network across the globe.

It is called as Geographic Grid.

Point on Coordinate. The intersection point of a latitude and a longitude is its coordinate.
Go to Settings menu >> select Configure Marble Virtual Globe. Let us go back to the default view.


Go to Settings menu and select Configure Marble Virtual Globe option.

Point to Configure window. Configure window opens.
In the View menu >> under Units >> click on Angle drop down>> Select Degree DMS In the View menu, under Units, click on Angle drop down and select Degree DMS.
Click on Apply button>> click on OK button. Click on Apply button.

Click on the OK button to close the dialog box.

Cursor on the globe. Let us go back to our home location, Mumbai.

We will find the coordinates of Mumbai on the globe.

Point on Mumbai,

Point on the status bar which shows Latitude and longitude of Mumbai.

Place the cursor on Mumbai.

Longitude and latitude are shown on the status bar.

Let us summarize.
Slide Number 7

Summary


In this tutorial we have learnt about
  • Behaim globe and historical map
  • Continents and oceans
  • Significance of latitudes and longitudes
  • How to change the colour of latitudes and longitudes
  • Grid and coordinates
Slide Number 8

Assignment

An assignment for you,

1. Find the continents through which the Equator passes and

2. Find the Indian states through which the Tropic of Cancer passes.

Slide Number 9

About Spoken Tutorial project

The video at the following link summarizes the Spoken Tutorial project.

Please download and watch it.

Slide Number 10

Spoken Tutorial workshops.

The Spoken Tutorial Project team conducts workshops and gives certificates.

For more details, please write to us.

Slide Number 11

Forum for specific questions:

Do you have questions in this Spoken Tutorial? Please visit this site

Choose the minute and second where you have the question.

Explain your question briefly

Someone from our team will answer them.

Please post your timed queries in this forum.
Slide Number 12

Acknowledgement

Spoken Tutorial Project is funded by MHRD,Government of India.
This is Viji Nair from IIT Bombay signing off.

Thank you for watching.

Contributors and Content Editors

Nancyvarkey, Snehalathak, Vijinair

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