Friday, March 27, 2009

Formation of Planet



You will learn about "Formation of Planet".

Have you ever seen "Floating rock"? as photo?

You will learn and think why and how?

*_________ is a type of extrusive volcanic rock,

produced when lava with a very high content of

water and gases is extruded (or thrown out of) a

volcano.

Vocabulary : Billions of years ago, Magma, Volcano, Extrude,

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