Today, I went to the museum of  natural  history.

The universe was born about 15 billion years ago during the big bang. And the earth was born about 4.6 billion years ago.

The universe's birth was influenced on us lots.

In solar system, it was classifed. They are fixed star, planet, moons and comet, one of planets, earth, mercury, venus, mars, jupiter, saturn, uranus and neptune etc. Pluto was not divided to it. The universe is beautiful.

The earth starts axis to inner core, outer core, mantle and crust.

Teacher said that Back-du mountain may disappear after 4 years because it explode.

 Our textbook was not rock but there is rock. The rock is so beautiful.

Dinosaurs is divided to tyrannosauruses and herbivorous dinosaurs.

When tyrannosaururses eats herbivorous dinosaurs,

herbivorous dinosaurs defends to tyrannosaururses by their horns.

Elephants use their trunk like human's hand.

Today is nice day. The end.