Darimana Datangnya Pasir di Pantai? Apakah semua pantai terdiri atas Pasir? Bisakah terbenam di pasir?/ Where advent Sand Beach? Are all the beaches consist of sand? Can buried in the sand? FOR GENERAL GEOGRAPHY
Darimana Datangnya Pasir di Pantai? Apakah semua pantai terdiri atas Pasir? Bisakah terbenam di pasir?
(sumber: Rosda Group.1994. Ensiklopedi Laut dan Samudera. Jakarta: PT Rosda Jayaputra.)
A) Darimana Datangnya pasir di Pantai.
Bermain-main di pantai sangat menyenangkan. Kita bisa berguling di atas pasir atau membangun istana pasir. Akan tetapi, tahukah kalian dari mana asal pasir di pantai itu? Hujan, cuaca buruk, angin, hawa dingin, dan hawa panas terus menerus mendera pegunungan. Hal itu membuat batuan terkikis mengalir melalui sungai dan melalui anak sungai. Akhirnya, batuan itu sampai ke laut. Di sana, ombak menghancurkannya menjadi butiran halus dan dibawa kembali kepantai. Butir pasir biasanya berwarna kuning atau keemasan. Akan tetapi, butiran pasir itu bisa juga berwarna merah jambu, abu-au, bahkan hitam.
B) Apakah semua pantai terdiri atas pasir?
Di atas pasir pantai, kita bisa menemukan benda yang berasal dari laut. Air laut secara terus menerus menyirami serta menggosok batu, karang di bawah air, dan pantai. Bagian tanaman, binatang kecil, dan kulit kerang pun terlempar ke pantai. Seringkali semuanya itu menjadi butiran pasir. Air laut juga bisa melemparkan butiran abu halus, lumpur, kerikil, bahkan batu yang besar. Ombak yang bergulung-gulung kemudian meratakan semuanya itu. Pantai yang indah bisa di temui pada pulau di Samudera Pasifik. Pantai itu dipenuhi pecahan kulit binatang laut yang halus dan berwawrna putih.
C) Bisakah kita Terbenam di Pasir?
Jika kalian berjalan di atas pasir yang lembab, kalian tidak akan terbenam karena pasir itu keras. Di tempat tertentu dan dipantai yang datar, laut surut sampai jauh sekali. Dengan demikian tinggal permukaan rawa laut yang terdiri atas pasir yang basah akan penuh air sehingga tampak seperti lumpur. Tempat seperti itu tidak hanya terdapat di pantai, tetapi juga ada di muara sungai besar. Janganlah kalian berjalan di atas karena kalian akan terbenam. Bentuk pasir yang lain adalah pasir apung. Pasir ini sangat tipis dan selalu digerakkan oleh ombak.
Where advent Sand Beach? Are all the beaches consist of sand?Can buried in the sand?
(Source: Rosda Group.1994. Encyclopedia of Marine and Ocean. Jakarta: PT Rosda Jayaputra.)
A) Where advent sand beach.
Playing around on the beach very enjoyable. We can roll in the sand or building sand castles. However, do you know where it came from sand on the beach? Rain, bad weather, wind, cold and heat constantly whack mountains. It makes rocks eroded by flowing through rivers and creeks. Finally, the rocks to the sea. There, the waves break it into fine grains and brought back kepantai. Grains of sand are usually yellow or golden. However, it could also be a grain of sand, pink, gray-au, even black.
B) Are all the beaches consist of sand?
In the sand, we can find objects that come from the sea. The sea water is continuously watered and brushed stone, coral under water, and the beach. Parts of plants, small animals, and shells were thrown onto the beach. Often they are a grain of sand. Sea water could throw grains of fine ash, mud, gravel, stones and even large.The waves roll in and then flatten it all. The beautiful beaches can be encountered on the island in the Pacific Ocean. The beach was filled with pieces of sea animal skin smooth and white berwawrna.
C) Can we Immersed in the Sand?
If you walk on the damp sand, you will not go down because the sand was hard. In a particular place and a flat shore, the sea receded so far. Thus living marine marsh surface consisting of wet sand will be full of water so that it looks like mud. The place looks like it does not exist only on the coast, but also in the mouth of a large river. Do you walk on because you'll be set. Other forms of sand is quicksand. The sand is very thin and is always driven by the waves.
(Source: Rosda Group.1994. Encyclopedia of Marine and Ocean. Jakarta: PT Rosda Jayaputra.)
A) Where advent sand beach.
Playing around on the beach very enjoyable. We can roll in the sand or building sand castles. However, do you know where it came from sand on the beach? Rain, bad weather, wind, cold and heat constantly whack mountains. It makes rocks eroded by flowing through rivers and creeks. Finally, the rocks to the sea. There, the waves break it into fine grains and brought back kepantai. Grains of sand are usually yellow or golden. However, it could also be a grain of sand, pink, gray-au, even black.
B) Are all the beaches consist of sand?
In the sand, we can find objects that come from the sea. The sea water is continuously watered and brushed stone, coral under water, and the beach. Parts of plants, small animals, and shells were thrown onto the beach. Often they are a grain of sand. Sea water could throw grains of fine ash, mud, gravel, stones and even large.The waves roll in and then flatten it all. The beautiful beaches can be encountered on the island in the Pacific Ocean. The beach was filled with pieces of sea animal skin smooth and white berwawrna.
C) Can we Immersed in the Sand?
If you walk on the damp sand, you will not go down because the sand was hard. In a particular place and a flat shore, the sea receded so far. Thus living marine marsh surface consisting of wet sand will be full of water so that it looks like mud. The place looks like it does not exist only on the coast, but also in the mouth of a large river. Do you walk on because you'll be set. Other forms of sand is quicksand. The sand is very thin and is always driven by the waves.
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