Quarter 4 lessons
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Transcript of Quarter 4 lessons
RICH IN NATURAL RESOURCES
•FERTILE LANDS
•HIGH DIVERSITY OF ANIMALS/PLANTS
•MINERAL DEPOSITS
•NATURAL GAS/GEOTHERMAL/WIND/WATER
LAYER CLOSEST TO THE EARTH.CONTAINS MOST OF THE WATER VAPOR AND SO WEATHER PHENOMENA OCCURS HERE CAUSING TURBULENCE DURING AIR TRAVEL.
50 KM FROM EARTH’S SURFACE.JET AIRCRAFT FLY HERE.OZONE LAYER IS IN THIS LAYER.
AIR IS THIN & COLD.METEORS BURNSIN THIS LAYER.
SPACE SHUTTLES FLY IN THIS AREA.IT IS WHERE AURORAS ARE FOUND.80 TO 110 KM FROM THE GROUND.
SATELLITES ARE STATIONEDIN THIS AREA.
COMPOSITION OF THE ATMOSPHERE
NITROGEN – 78%
OXYGEN – 21 %
CARBON DIOXIDE,WATER VAPOR & OZONE ETC. – 1 %
A GREENHOUSE IS USED TO GROWSEEDLINGS IN THE LATE WINTER ANDEARLY SPRING. IT USED TO PROTECT PLANTS FROM SNOWSTORM AND DUSTWEATHER. IT IS MADE OF PLASTICOR GLASS.
Earth & venus are called twinPlanets due to their sizes. Both of them have carbon
dioxide ( a green house gas) in their atmosphere.
venus
earth
Reasons :• burning of fossils fuels ( coal, petroleum, natural gas)•CFCs ( chlorofluorocarbons)
•Cutting & burning of trees
•Methane release
GENERALIZATION :THE EARTH’S ATM IS COMPARED TO A GREENHOUSE. LIKE THE GLASS IN A
GREENHOUSE, THE ATM ALLOWS THE HEAT OF THE SUN TO PASS THROUGH IT. THE GREENHOUSE GASES WORKS THE SAME BUT ABSORBS THE HEAT COMING
FROM THE EARTH SURFACE. GREENHOUSE EFFECT REFERS TO THE
PROCESS OF WARMING THE ATMOSPHERE.
Temperature reading
BOTTLE A TEMPERATURE
5 MIN
10 MIN
15MIN
20MIN
25MIN
BOTTLE B TEMPERATURE
5 MIN
10 MIN
15MIN
20MIN
25MIN
38.3
40.0
40.5
41.0
37.9
37.9
38.5
40.9
Pressure and winds in
January
Due to the LPA in the south
Winds move from N to S passing the Pacific
Ocean
Pressure and winds From July to September
Due to the LPA in the North
Winds move from S to N passing the Indian Ocean
Winds blow from high pressure area to low
pressure area. All over the world, the pressure of the wind is not the same and that is due to the tilting of
the Earth.