Wrap-up, Glossary

Wrap-up

* The surface of the Earth is covered by 71 percent of water and 29 percent of land.

* The landforms are classified as first order, second order and third order landforms.

* Continents and oceans are the first order landforms.

* There are seven continents and five oceans on the Earth’s surface.

* Mountains, plateaus and plains are the second order landforms.

* Valleys, beaches and sand dunes are the third order landforms.

* Many islands and marginal seas are found in the oceans.

GLOSSARY

1.  Island - A land surrounded by water on all sides.

2.  Bay - A broad inlet of the sea where the land curves inwards.

3.  Strait - A narrow stretch of water linking two large water bodies.

4.  Trench - The deepest part of the ocean.

5.  Peninsula - The land surrounded by water on three sides.

Internet Resources

1. www.nationalgeographic.com

2. www.nationalgeographic.org/ encyclopedia/landform

3. http://mocomi.com/landforms

4. www.britannica.com 

ICT CORNER

Travel around the world!

Travel to the planets and stars and enjoy the adventure!

Lets explore the land forms on Google Earth app.

Step 1:

Use the given link to land on Google Earth.

Step 2:

Use search button on the left top corner to locate the places on the globe. For example: Delhi, Chennai, Keezhadi etc

Step 3:

Press ‘+’ and ‘-’ buttons on screen or use mouse’s scroll button to zoom in and zoom out the landscapes and oceans.

Step 4:

Scan and locate the Plateaus to understand the landscape structure. Scan and locate the plains and valley.

URL to launch Google Earth:

https://earth.google.com/web/