OUR CHANGING EARTH
LITHOSPHERIC PLATES the earth's crust is made up of many large and same small, rigid, irregularly shaped plates. These are like slabs that hold up the continents and the ocean floor. These are called lithospheric plates. ENDOGENIC FORCES AND EXOGENIC FORCES Th force which occur in the interior of the earth are called endogenic forces. And the forces which are generated on the surface of the earth are called exogenic force. Endogenic forces sometimes produce sudden motion and sometimes slow motion . VOLCANO 1. Volcano are openings in the earth's crust that spew lava,ash and gases when tectonic plates move, they creat cracks in the earth's crust that allow magma to move the surface. 2. Volcano can be seen on lond or below the ocean, and can range in size from small vents to lorge mountain. 3. There are different types of volcanoes. Active volcanoes are those that have either erupted recently or are expected to do so in the near future...