The Blue Planet · Blue Planet Activity For the Blue Planet Activity online, you will use the power of probability and will sample random points on the surface of a globe to determine
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OUR BLUE PLANETThemajorityofEarth’ssurfaceiscoveredbywater.Theper-centageofEarth’ssurfacethatiscoveredbywaterisabout71percent,oralmostthree-fourths.Fromspace,ourplanetappearsmostlyblueduetothegreatamountofwaterfoundatitssur-face.Whyblue?Forourplanet’sbeautifulbluecolor,wecanthankthesunandtheamazingwaysoflight.Allcolorsaremixedwithinsunlight.Whensunlightfallsontheocean,mostofthecolorsareabsorbedcompletely.However,thecolorblueisab-sorbedtheleast,sotheplanetlooksblue.
SALT WATER AND FRESH WATER ON EARTHMostofthewateronthesurfaceoftheEarthiscontainedintheoceanandseaswhereitissalt
The Blue PlanetWhy do we call our planet Earth when its surface is mostly water?
WATER AND LIFETherearemanythingsweneed,suchasshelterandclothing,butatthecoretherearefourfactorsnecessaryforlifetoexist:soil,air,sunlightandwater.
WEATHER AND CLIMATEClimatesandweatherpatternsaroundtheentireplanetarelargelycausedbytheocean,be-causeitplayssuchalargeroleinthecirculationofenergy,waterandcarbon.Theoceanabsorbs,storesandmovesheat,energyandcarbon.Surfacecurrentscarrywarmwatertowardthepolesfromtheequator.Deepercurrentscarrycoldwatertowardtheequatorfromthepoles.
ATTITUDE IS EVERYTHINGIsithotordrywhereyoulive?Ordoyouhavelotsofrainyormistydays?Howaboutdeepsnowsandfreezingtemperatures?Yourattitude(thoughtsandfeelings)aboutsavingwaterandusingitwiselydependsonwhereyouliveintheworld.Forexample,ifyouliveinthemountainsofWesternMontana,wherethere’slotsofsnowandrain,yourattitudeaboutsavingwaterisprobablyquitedifferentfromakidliving
Answer should include discussion about how much of the water on Earth is salt water, and therefore not necessarily usable for humans, also that humans live on land and are focused on our lives on land and the fresh water we use.
Answer should be an opinion piece with reasoning to explain the student’s attitude about water and include discussion of the local climate, ways water is used in your area and how that affects local people’s attitudes. Discus-sion should also include mention of different climates and how that might affect attitude about water.
Blue Planet ActivityFortheBluePlanetActivityonline,youwillusethepowerofprobabilityandwillsamplerandompointsonthesurfaceofaglobetodetermineifyourresultscoincidewithwhatyouknowabouttheproportionoflandandwateronEarth’ssurface.