What about Rocks…?

72 Comments

Your ICT homework for Wednesday 6th February 2013:

  1. Find the name of the three different generic categories used to clasify rocks and their description. Post their names on the blog.

  2. Write out the website address of ANY appropriate website- we will be using this in writing this week.

Today we watched a video about the continental drift, spanning over 600 million years. It can be found below:

[kml_flashembed movie="http://www.youtube.com/v/cQVoSyVu9rk" width="425" height="344" allowfullscreen="true" fvars="fs=1" /]

Continental Drift video: CLICK HERE!

James Hutton, a Geologist during the Scottish Enlightenment, discovered that he could estimate the age of the Earth using Rocks. Later this week we will be clasifying rocks using his categories.

See you tomorrow,
Mr.Cook, Mrs.MacLeod and Mrs.Prentice

72 thoughts on “What about Rocks…?”

  4. Igneous- Igneous rocks for as liquid magma cools, forming crystal structured rocks.
    Sedimentary- Sedimentary rocks are formed when pieces of other rocks or debris join together.
    Metamorphic- Metamorphic rocks form deep within the Earth when heat and pressure are applied to either igneous rocks or sedimentary rocks.
    My site is: http://www.youtube.com/user/OneDirectionVEVO

  8. Sedimentary: Formed from particles of sand,shells and pebbles which hardens over a long period of time.

    Metamorphic: Formed under the surface of the earth from intense heat and pressure.

    Igneous: Formed from cooled magma (molten rock found deep in the earth).Sometimes it erupts out of a volcano, then it is called lava.

    My website is http://WWW.tfxperformingartsacademy.co.uk

  11. Igneous Rocks

    Igneous rocks are crystalline solids which form directly from the cooling of magma. This is an exothermic process (it loses heat) and involves a phase change from the liquid to the solid state. The earth is made of igneous rock – at least at the surface where our planet is exposed to the coldness of space. Igneous rocks are given names based upon two things: composition (what they are made of) and texture (how big the crystals are).

    Sedimentary Rocks

    In most places on the surface, the igneous rocks which make up the majority of the crust are covered by a thin veneer of loose sediment, and the rock which is made as layers of this debris get compacted and cemented together. Sedimentary rocks are called secondary, because they are often the result of the accumulation of small pieces broken off of pre-existing rocks. There are three main types of sedimentary rocks:

    Clastic: your basic sedimentary rock. Clastic sedimentary rocks are accumulations of clasts: little pieces of broken up rock which have piled up and been “lithified” by compaction and cementation.

    Chemical: many of these form when standing water evaporates, leaving dissolved minerals behind. These are very common in arid lands, where seasonal “playa lakes” occur in closed depressions. Thick deposits of salt and gypsum can form due to repeated flooding and evaporation over long periods of time.

    Organic: any accumulation of sedimentary debris caused by organic processes. Many animals use calcium for shells, bones, and teeth. These bits of calcium can pile up on the seafloor and accumulate into a thick enough layer to form an “organic” sedimentary rock.

    Metamorphic Rocks

    The metamorphics get their name from “meta” (change) and “morph” (form). Any rock can become a metamorphic rock. All that is required is for the rock to be moved into an environment in which the minerals which make up the rock become unstable and out of equilibrium with the new environmental conditions. In most cases, this involves burial which leads to a rise in temperature and pressure. The metamorphic changes in the minerals always move in a direction designed to restore equilibrium. Common metamorphic rocks include slate, schist, gneiss, and marble. 😀

  18. the 3 types of rocks are:

    igneous – made from cooling lava
    sedimentary – the layer on top of igneous rock made of compressed rocks
    metamorphic – any rock can change when the environment causes the minerals to become less stable

  24. Anna, you can choose the way in which you present your project. Last year, some people used the computer on A4 sheets, others used handwritten sheets of different sizes. Most people present it in some form of book or folder. You may want to include games or interactive activities which will engage your reader.
    BE CREATIVE!!
    Mr.Cook

  32. 1. Igneous rocks are formed by magma.
    2. sedimentary rocks are caused by pressure on other types of rocks
    3. I forgot what metamorpic rocks are created by and I lost the good webiste.

  45. Sedimentary,metamorophic and igneous and my link is http:jersey.ouregon.edu/~mstrick/askgeoman/geoquerry13.html

  46. The three types of rocks are

    Igneous

    Senimentary and

    Metamorphic

    My website is

    Wiki.ansers.com/q/what are three main types of rocks

  47. The three types of rock are Igneous,Sedimentary and Metamorphic.The first rock,is formed underground.The second rock,are made out of deposit that is laid down on Earth and the third one,are rocks that are formed in extreme temperatures and pressure.My link was,http://blogs.glowscotland.org.uk

  48. Igneous- a type of igneous rocks is fire rocks.They shoot out of volcanos as lava and they cool down when they hit the ground and they started out far underground.Granite is a common igneous rock.
    Sedimentary- this rock was originally mud or shells of tiny sea creatures.
    Metamorphic- this rock is made out of igneous rock and sedimentary rock. When it meets up with heat the pressure makes a crystal inside the rock and if it already does it makes the crystal bigger.

    My websit is en.wikipedia.org/wiki/James_Hutton

  49. I have written them down but here they are anyway:

    Rocks: Igneous–those that form directly from a molten stage.Sedimentary–those that form from eroded particles of various sizes from other rocks.Metamorphic–igneous and sedimentary rocks,and sometimes metamorphic rocks,that undergo a transformation from heat and/or pressure.

    Website: http://wiki.answers.com/Q/3_main_categories_of_rocks

    If you do go on this website you have to go down a bit and it will say”Answer” then underneath what i just said is there!!!

    hope you liked it???!!!

    See you all tomorrow!!!

    AMY.B. 🙂 🙂 🙂 😛 😛 😛 😮 😮 😮 😉 😉 😉

  51. The three different type of rock is sedimentary,metamorphic and igneous.

    My website is mstrick/ask geo man/geo querry 13 html

  57. http://scienceforkids.kidipede.com/geology/rocks/ and it’s my link to.
    Here’s a website to help you.
    The first rock is the ingeous rock and those are the rocks that come out of a volcano.The most common on is the gronite rock.
    The second rock is the sedimentary rock and these rocks are mud,dust and shell that sink to the bottom of the ocean or pound and eventually turn into rock. the most common one is the limestone rock.
    The third rock is the metamorphic rock plus it’s basiclly made from the first two rocks.This rock is not as common as the first two rocks.You could say it’s carbon turning into dimonds.
    See you all tomorrow.:P
    🙂 🙂 🙂 🙂 😛 😛 😛 😛 😀 😀 😀 😀 😉 😉 😉 😉

  59. The Igneous Rock- the surface of the world is made of Igneous rock, it is a crystalline solid which means it is in a way realated to a crystal.
    The Sedimentary Rock- The Sedimentary rock is a thin and loose layer that covers the main Igneous rock layer.
    The Metamorphic Rock- Any rock can be a metamorphic rock it justdepends on the atmosphere.

  70. These are the 3 different types of rocks:

    1. Igneous rocks

    2. Sedimentary rocks

    3. Metamorphic rocks

Leave a Reply

Your email address will not be published. Required fields are marked *