TSUNAMI

     The word “tsunami” comes from the Japanese language meaning Great Waves (Tsu: port and Nami: wave). Adapan agreed definition many people is a tsunami is a natural disaster caused by rising sea waves to the mainland at high speeds due to the earthquake centered under the sea. The quake could have been caused by soil erosion, the plates were shifting, volcanic eruptions and who experienced meteor that crashed in the ocean. This usually happens when the tsunami earthquakes exceeding magnitude 7 on the Richter scale. Tsunami is quite dangerous, especially for those who live in Area beach. With great power, he will sweep everything in its path.

Hukum - Hukum Dasar Kimia

Teori atom Dalton yang di kembangkan pada awal tahun 1800 menjadi dasar perkembangan ilmu kimia, terutama dalam menjelaskan reaksi-reaksi kimia. Perkembangan teori atom Dalton tidak terlepas dari penyelidikan para ahli kimia pada akhir abad ke-17. Mereka menyelidiki hubungan antara jumlah zat hasil reaksi dengan jumlah zat pereaksi. Penyelidikan yang mereka lakukan melahirkan hukum-hukum dasar kimia.