In the third week

I just want to add on to what to the previous post that we learnt some things new in the third week. Miss J had done a short revision with us about landforms to round up this topic and we covered the basic topic of physical environment again. There four components to the physical environment. Do you know what are they? They are landforms and rocks, rivers and lakes, weather and climate, and natural vegetation. We need to understand that there are interrelationships between these components. She revised that other than creating volcanoes, when plates converge, they can also create fold mountains. A fold mountain is formed when ssome of the layer of rock which make up the Earth's crust buckle and form folds. They are found in the Himalayas, the Appalachhian Mountains in North America, the Andes in South America and the Alps in Europe. Talking about mountains, we all know that they are part of landforms, but do we know the others? The others include:

A Hill, an area of high ground, usually less than 600 metres high. It is typically rounded in shape and has gentle slopes.

A Valley, also known as a depresion, is a low area of land between hills or mountains.

A Plain, a broad flat and low area of land.

Plateau is a generally raised area of land with a fairly flat, braod top and steep slopes.

Furthermore, Miss J also introduced briefly on our next topic. Riverss and Environments. Do you know? 97% of the water on the Earth's surface is salt water and the rest will be fresh water. She also introduced the term HYDROLOGICAL CYCLE to us. The cycle consists of several processes.