Tuesday, August 26, 2008

Tectonic plate and how mountains are made









Tectonic plates is a kind of geology.The earth is made of Plates.There are 6 popular Plates.In the earth there can divided two big kinds inside the earth.They are rocks and asthenosphere.It'sPrecambrain six hundred millions and fifty millions ago.
Some mountains are under the sea before.Then if are big earthquakes,it will bron.The other way is Two plates can press against each other until the land is lifted and folded over itself.
Photo1:Folded mountains of the Tibetan Plateau
Photo2:When the earthquake,Pangea were moving.
Photo3:Before the earthquake,Pangea's graph.
Photo4:Three kinds of Plates' moving manner.

Friday, August 15, 2008

Parts of the earth




http://en.wikipedia.org/wiki/Planetary_geology
Mantle is a interior of the earth.It like a valcano. The explorer J. Tuzo Wilson think the valcano all link in the sea is because there hot spot is same.
Crust is the rock, and we can leave each other continent crust and ocean crust.Their structure are different.Their dopth are different,too.The continent crust 's dopth is average 33km, and the ocean crust is 10km.
1st picture:pangea's photo
2nd picture:core's photo
3rd picture:crust's photo
4th and 5th picture:mantle's photo

Monday, August 11, 2008

Roald Dahl




There is a popular writer from Llandaff. His name is Roald Dahl.He was born in Setpember 13th 1916.He was the only boy in his family.He has three sisters. Roald Dahl was unhappy at his schools.In1942,he starts to wrote books.He is the most popular kids auther.He wrote lots of books for children.Many people like to look his books very much,so do I.
He died in November 23rd 1990.He was 74 years old.
I am reading for Roald Dahl's book called "The Twit".I think he is a great auther.The story plots are very good.
It is my first English book.It is very great,I like it so mush.

Wednesday, August 6, 2008

Friday, August 1, 2008