Rocks+Rock

= This blog was posted by Natasha, Anan and Christine!!! =

=**__Our Big Question:﻿ ﻿ __**=
 * __﻿ __What would happen if there were no **
 * rocks and minerals on Earth? ﻿ The earth would not exist as the entire planet consists of minerals. **

* Limestone,slate and graphine are all minerals which are used to create school resources like blackboards
chalk and pencils.

* How would no rocks and minerals affect food?
﻿* Haline a common mineral is used to make diet food so without rocks and minerals there would be no diet foods.

=__Purpose: ﻿ __=

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=__** Interesting Rock Facts: **__= * The mineral "feldspars" makes up more than 50% of the earth's crust. * Gold is so soft and easily worked you could roll an ounce of it into a hair-thin wire 50 miles long! * Jade has been known for how strong it is over the many years as it has been used to make fish hooks, hammers, and stone axes. * A man called Taj Mahal in India built a large house made entirely out of marble in between 1632 and 1654. * Ancient Egyptians used powdered lapis lazul as eye shadow! * The biggest pure gold nugget was found in Australia in 1869 and weighed 156 pounds. ﻿* Most of the earth is made of oceanic crust.

<span style="font-family: Georgia,serif;">__Come and see our presentation to the juniors on Thursday 9th December - we are setting up a Create you own Crystal Cookies stall!!! Don't miss out!!!~__
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