2. What can rocks be used for? Where do we get stone from for building?

4. clay soilA soil that does not let water flow through it easily. grainsThe small particles in a rock. gravelSmall pieces of rock that are used on paths, or to make roads or railways. manufactur ed Something that is made out of other materials. Glass and brick are manufactured materials. naturalSomething that we can use directly, like wood or stone. particlesSmall pieces. pebbleA small rounded piece of rock. permeableLets water run through it. propertiesWays of describing a material. Words like hard, shiny and strong describe properties. rockA hard, strong material used to build walls, bridges and other things. sandy soilA soil containing a lot of sand, that lets water flow through it easily sieveA container with holes in the bottom. It can be used to separate pieces of different sizes. soilA mixture of rock particles and dead plants. stoneAnother name for rock strongDoes not break easily textureThe sizes, shapes and colours of the grains in a rock.

5. RockSlate Size of grainsToo small to see Colour of grains Dark grey Shape of grains - LayersThin layers

6. RockChalk Size of grainsVery small Colour of grains White Shape of grains Rounded LayersNo layers

7. RockGneiss Size of grains1mm or bigger Colour of grains Grey, white, pink Shape of grainsSharp edges LayersWide coloured layers

8. RockMarble Size of grainsVery small Colour of grains White Shape of grains Sharp edges LayersNo layers

9. RockBasalt Size of grainsToo small to see Colour of grains Dark grey Shape of grains - LayersNo layers

10. RockLimestone Size of grainsToo small to see Colour of grains Light grey Shape of grains - LayersNo layers

11. RockSandstone Size of grainsAbout 1mm Colour of grains Orange and red Shape of grains Rounded LayersNo layers

12. RockGranite Size of grains1mm or bigger Colour of grains Grey, black, white, orange Shape of grains Sharp edges LayersNo layers

13. WHAT IS MADE OF ROCK? Which of these objects are made from rock?

14. http://www.ngfl-cymru.org.uk/vtc/rocks/eng/Introduction/MainSessionPart2.htm http://www.ngfl- cymru.org.uk/vtc/phase4_20030801/Wales/Science/Keystage2/Lifeprocessesan/Anonlinesoilexp/Introduction/StarterActivity.htm http://www.ngfl-cymru.org.uk/vtc/phase4_20030801/Wales/Science/Keystage2/Lifeprocessesan/Anonlinesoilexp/Introduction/MainSession.htm

15. http://www.bbc.co.uk/schools/scienceclips/ages/7_8/rocks_soils.shtml