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Grade 7 Natural Science (CAPS) The Biosphere Exam Questions and Answers
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Grade 7 Natural Science (CAPS) The Biosphere Exam Questions and Answers
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Grade 7 Natural Science (CAPS) TheBiosphere Exam Questions and Answers
The iibiosphere iiis iithe iiplace iiwhere iilife iiexists iion iiplanet iiEarth. iiWhen iiwe iitalk
iiabout iithe iibiosphere, iiwe iiare iitalking iiabout iia iihuge iisystem ii(the iiwhole iiworld!)
iiand iihow iiall iithe iidifferent iiparts iiwork iitogether iito iisupport iilife.
What iiis iithe iibiosphere?
You iiask iiyourself iiif iiall iiseven iiof iithe iilife iiprocesses iiare iipresent.
How iican iiyou iitell iiif iisomething iiis iialive iior iiif iiit iiwas iinever iialive?
Living iiorganisms iirequire iicertain iiconditions iior iithings iito iibe iiable iito iistay iialive.
iiWe iisay iithat iithese iithings iior iiconditions iisustain iilife.
Living iiorganisms iirequire iithe iifollowing iito iisurvive:
energy
gases
water
soil
favourable iitemperatures
What iido iiorganisms iineed iito iistay iialive?
It iiis iibecause iithat iisome iiorganisms iiare iiadapted iito iilive iiin iicertain iiareas.
How iicome iisome iiorganisms iican iilive iiin iicertain iiplaces iiwhile iiothers iicannot?
, YES/NO
DO iiYOU iiKNOW iiTHE iiMEANING iiOF iiTHESE iiNEW iiWORDS?
atmosphere
biosphere
depend
environment
habitat
microorganism
organism
1. iiLithosphere
2. iiHydrosphere
3. iiAtmosphere
These iicomponents iiform iipart iiof iithe iibiosphere iiand iihave iispecial iinames:
1. ii__________ iiwhich iiincludes iithe iisoil iiand iirocks.
2. ii__________ iiwhich iiincludes iiall iithe iiwater.
3. ii__________ iiwhich iiincludes iiall iithe iigases.
The iiatmosphere iiis iithe iilayer iiof iigases iithat iisurrounds iithe iiEarth. iiThe iithree
iimost iiimportant iigases iiin iithe iiatmosphere iiare iinitrogen, iioxygen iiand iicarbon
iidioxide. iiThe iiatmosphere iiis iimade iiup iiof iiseveral iilayers.
What iiis iithe iiatmosphere?
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