Presentation Name on emaze, Check out my latest presentation built on emaze, where anyone can create & share professional presentations, websites and photo albums in minutThe Maya for KS1 and KS2 children | Maya homework help ,, The Maya civilisation extended from what is now South East Mexico through Central America; This area included highland and lowland settlements and a variety of climate zones, including rainforest Crops grown in the lowlands were traded for mineral ores and rocks from the mountainous areas; Although the Maya had metal-working skills, metal ores were scarceSimple Healthy Living | Livestrong, LIVESTRONGCOM offers diet, nutrition and fitness tips for a healthier lifestyle Achieve your health goals with LIVESTRONGCOM's practical food and fitness ,Sedimentary rock, Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation Sedimentation is the collective name for processes that cause these particles to settle in place The particles that form a sedimentary rock are called sediment, and may be composed of geological detritus (minerals) or biological ,Rock, Rock - Rock - Physical properties: Physical properties of rocks are of interest and utility in many fields of work, including geology, petrophysics, geophysics, materials science, geochemistry, and geotechnical engineering The scale of investigation ranges from the molecular and crystalline up to terrestrial studies of the Earth and other planetary bodi.
GCSE CHEMISTRY, Extraction of Metals Extraction of Iron Iron is extracted from its ore in the blast furnace The main iron ore is called haematite Haematite is iron(III) oxide - Fe 2 O 3 The iron ore contains impurities, mainly silica (silicon dioxide) Limestone (calcium carbonate) is added to the iron ore which reacts with the silica to form molten calcium silicate in the blast furnaceGet to Know the Meaning of the Remarkable Hematite ,, Hematite is an iron oxide, and it has many healing properties as well Since ancient times, the meaning and healing properties of this stone have been known by people, and was used extensively It is believed that wearing this stone helps cure anemia, and also improves blood circulation in the body It is believed to stop bleeding, and it also ,Education | Solar Fuel Network, There are links to relevant BBC Bitesize webpages for further information All these activities can be done using everyday equipment, but are also suitable for use in schools Young children will need to be supervised closely, and may need help (eg with using scissors) , hematite photo-anode and an optical setup that allows double-sided ,Hematite: Mineral information, data and localiti, Hematite GroupThe iron analogue of Corundum, Eskolaite, and Karelianite Hematite is rather variable in its appearance - it can be in reddish brown, ocherous masses, dark silvery-grey scaled masses, silvery-grey to black crystals, and dark-grey masses, to name a fewKS2 History, KS2 History learning resources for adults, children, parents and teachers organised by topic.
Where Does Water Come From? | HowStuffWorks, May 28, 2019· Water surrounds us, falling from the sky, rushing down riverbeds, pouring from faucets, and yet many of us have never stopped to ask where it comes from The answer is a complicated one, stretching way beyond an incoming tide or a cloud heavy with rain and all the way back to the very origins of the universe Shortly after the big bang, protons, neutrons and electrons swarmed in 10 billion ,Metal Oxide, The basic structural unit of Fe, Mn, Al, and Ti oxides are cationic metal centers bound to six oxygens If one drastically reduces the size of the oxygens in relation to the metal cations, this arrangement can be visualized as an octahedron (Figure 1)The octahedra may be linked to each other in three ways, sharing oxygen corners (1 O), sharing edges (2 O), or faces (3 O)What is Chemical Weathering?, Aug 23, 2017· What Is Chemical Weathering? Rocks, soils, minerals, wood, and even artificial materials exposed to the elements of nature like air and water will undergo significant changes over a period of time both in morphology and in chemical composition and ultimately break down into smaller pieces by the processes of weathering When weathering occurs through chemical reactions that ,How Is Copper Removed From The Earth, Extracting iron and copper BBC Bitesize Most metals are extracted from ore found in the Earth's crust An ore is a rock that contains enough of a metal or a metal compound to make extracting the metal worthwhile Copper is an Copper in health Wikipediaextraction of iron from haematite ore, bbc - gcse bitesize: making iron iron is extracted from iron ore in a huge container called a blast furnace iron ores such as haematite contain iron oxide the oxygen must be removed from the,.
GCSE History, The BBC is not responsible for the content of external sit Read about our approach to external linking Exam board content from BBC Bitesize for students in England, Northern Ireland or WalSmart Materials, With benefits for aerospace, medical, textile, construction, and electronics industries, smart materials improve efficiency and save resources by responding to corrosion, pH changes, water content, temperature, mechanical forces, and much moreThe Extraction of Copper, Aug 21, 2020· The Process The concentrated ore is heated strongly with silicon dioxide (silica) and air or oxygen in a furnace or series of furnac The copper(II) ions in the chalcopyrite are reduced to copper(I) sulfide (which is reduced further to copper metal in the final stage)Blast furnace | metallurgy | Britannica, Blast furnaces produce pig iron from iron ore by the reducing action of carbon (supplied as coke) at a high temperature in the presence of a fluxing agent such as limestoneIronmaking blast furnaces consist of several zones: a crucible-shaped hearth at the bottom of the furnace; an intermediate zone called a bosh between the hearth and the stack; a vertical shaft (the stack) that extends from ,metal process for iron and aluminum hematite, What Metal Is Extracted From Hematite Know More Metal ores are normally oxides for example aluminum is the most common metal in the Earth s crust but in order to get as pure what metal is extracted from hematite ocmd co za what metal is extracted from hematite Description Filter Alibaba Unique Design Quick Changer Filter Cartridge RO Water Extraction of Metals Revision Extraction Of ,.
lithosphere | Definition & Facts | Britannica, Lithosphere, rigid, rocky outer layer of the Earth, consisting of the crust and the solid outermost layer of the upper mantle It extends to a depth of about 60 miles (100 km) The lithosphere is broken up into about a dozen separate, rigid blocks, or platIron and aluminium, Aluminium has some advantages over steel Since it has a lower density than iron or steel, a car body made from aluminium will be lighter than the same car body made from steel This results in ,How Magnets Work | HowStuffWorks, Ceramic magnets, like the ones used in refrigerator magnets and elementary-school science experiments, contain iron oxide in a ceramic compositeMost ceramic magnets, sometimes known as ferric magnets, aren't particularly strong; Alnico magnets are made from aluminum, nickel and cobalt They're stronger than ceramic magnets, but not as strong as the ones that incorporate a class of ,Hematite, Hematite, also spelled as haematite, is a common iron oxide with a formula of Fe 2 O 3 and is widespread in rocks and soils Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of Fe 2 O 3It has the same crystal structure as corundum (Al 2 O 3) and ilmenite (FeTiO 3), with which it forms a complete solid solution at temperatures above 950 °C ,Blast Furnace and Process Description, Jul 12, 2019· Blast Furnace and Process Description:- Iron blast furnace is a vertical shaft, which is used to melt the iron ore and to produce hot metal by heat exchange and chemical reactionThe burden charge consisting of iron oxide, flux and coke and it provides through the ,.