WATER, AIR, EARTH & FIRE By Ron Suter, Melbourne.

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Presentation transcript:

WATER, AIR, EARTH & FIRE By Ron Suter, Melbourne

water

water

water Antarctic Ice-Breaker

WATER... is a compound A compound is a chemical combination of two or more elements. Examples: CO2, C6H9O6. A compound may look quite different from its component elements. Examples: NaCl, H2O. Water (usually a liquid) is a combination of the two gases: hydrogen & oxygen.

Otto Lilienthal 1895 air

air

air

AIR... is a mixture About 78% pure nitrogen (gas)‏ About 21% pure oxygen (gas)‏ About 0.03% pure carbon dioxide Other gases, including water vapour, are present in much smaller amounts.

earth - rock

earth – rock & soil

earth - soil

EARTH... is a mixture (Two-thirds of the earth's surface is covered with water, mostly salty water = the oceans.)‏ The earth that is “dry land” consists of sands, rocks and soils. These sands, rocks and soils are mixtures of various mineral compounds, many of which are useful to mankind. The best soils include tiny living things as well as minerals.

Chemical Composition of the Earth's Crust Element % in Crust oxygen 46.6 Mineral resources consist of fuels, metal-containing silicon 27.7 deposits, and non-metal deposits. aluminium 8.1 Coal, petroleum, & gas are the mineral fuels. iron 5.0 Metal deposits are usually found in combination with calcium 3.6 other metals or with a non-metal. sodium 2.8 potassium 2.6 99% of the earth's crust comprises only 10 elements. magnesium 2.1 Only 4 (Al, Fe, Mg, & Ti) are industrial metals & only titanium 0.4 small amounts of these are available for mining. hydrogen 0.14 The other industrial metals (Cu, Zn, Pb, Sn, Au, Ag)‏ copper 0.007 are found in only minute amounts. tin 0.004 lead 0.0016 The metal deposits are used commercially in trade, silver 0.00001 building & manufacturing. gold 0.0000005 The non-metals (O, Si, & H) are used in glass, balloons, and in various chemical compounds.

fire

fire

fire

fire

fire

FIRE... is a process Most fuels contain carbon (= C). When the ignition temperature of a fuel is reached or exceeded it will start to burn. Burning gives off heat and light. The burning process allows the carbon to combine chemically with oxygen, thus forming CO2 and CO.

Objective Science Water – a compound of two gases. Air – the atmosphere, a mixture of gases. Earth - a mixture of solids, mostly compounds, with a few elements. Fire – the process of combustion: fuel, heat & oxygen are all needed.

The Elements in Our Bodies: oxygen O 65% Plus faint traces of: flourine F carbon C 18% silicon Si hydrogen H 10% manganese Mn nitrogen N 3% zinc Zn calcium Ca 1.5% copper Cu phosphorous P 1.0% aluminium Al potassium K .35% arsenic As sulphur S .25% sodium Na .15% chlorine Cl .15% Total, for all materials, magnesium Mg .05% ~ $160 USD; iron Fe .0004% For “living” tissue, iodine I .00004% >45M USD

What is the Price of Salvation?? “God showed His love for us by sending Christ to die for us while we were still sinners.” “For God so loved the world that he gave His only Son, so that whoever believes in Him should not perish but have everlasting life.” Romans 5:8; John 3:16.

Black

Creation link at BibleStudyDownloads.org Get this presentation for free! Creation (cr) Creation link at BibleStudyDownloads.org