L Hydrosphère Et Les Ressources Énergétiques

solely for classroom use w ith O bservatory. 1. hydrosphere resources energy The and 27 ACTIVITY ofYearTwoSecondary Cycle Second activities – Support Name: resources Observatory / may use some words more than someuse once. may words more than groupsofbox You the words words or in the below. sentences, using the following Complete b) a) • • • • • • • • • • • • • 11129-B ______electrical energy ecosystems direction differences depth density denser dams dam gates cryosphere continents colder alternators Guide and the and Hudson watershed, watershed Bay Lawrence the St.River mainwatersheds: the three has boundaries called the are area. These in ground are Their limits ______water,bodies of study streams, waters thatflows the on in fresh water consist Inland ______of composed ______planet. our The formsaroleon its plays significant Water in all ANSWER KEY ANSWER ANSWERKEY ______hydrosphere hydrosphere ______geographic glaciers ______Ungava • • • • • • • • • • • • rivers natural boundaries natural Support activitiesSecond – Support Two of SecondaryYear Cycle icebergs ice hydrosphere hydrologists plant hydroelectricpower energyhydraulic heat globalwarming glaciers geology geographic freshwater ______salt . . is mainly the It water Earth. surrounding isthe of layer areas whose lakes and rivers point. whose the flow towardsame areas lakes all and hydrologists Bay watershed. watershed. Bay and lakes as well asas they When in groundwater. lakes and 1 water. Most fresh water is contained infreshwater Most is contained water. formed by mountain peaks, hills or other other high peaks, mountain formedhills or by • • • • • • • • • • • • • Pacific ocean boundariesnatural mixedlayer icemasses of latitude land seas salt salinity rivers renewable prevailing winds Group: Group: “ ______divide land into watersheds, which watersheds, are into which land divide

______— ______circulation 27 HANDOUT RELATED 200–210 STUDENT watershed divideswatershed continents BOOK: Date: The hydrosphere energy hydrosphere The and EST • • • • • • • • • • • • • : Chapter 6, Chapter pages 6, turbines tides thermohaline thermocline temperature surface seasonal winds waves watersheddivides water vegetation Ungava ______Concept Concept review . ” Québec ACTIVITY in 27 © E R P I Reproduction and adaptation perm itted

solely for classroom use w ith O bservatory. Name: resources Observatory / g) f) e) d) c) k) j) i) h) 11129-B ______Guide the water the ocean, isdark, and it of the water,depths like the isvery In deep the cold. water zone, this known the zonerapidly,in as a drops temperature winds, the the “ warmslayerofthe andfirstis called ocean water, which the penetrates Sunlight seasons. the and includeinfluence temperaturecan that water Factors salinity. important parameters: two of oceans involves The study ______smaller shallower the and oceans lie the edges of Along Ocean. Southern the and Ocean ______mainareas: the intofollowing continentsby waters separated the are The ocean development. urban and agricultural, industrial topography, severalasfactors, bysuch affected water be can flows watershed in The way a ______variationsin mostly to are due ______aseawater move certain currentsin Ocean water.salt mixed with the lithosphere. the from oceanscomes in the salt ______is water casein this temperature affecting warmerthose zones.in atare temperate than watersthe equator Surface land. ______ANSWER KEY ANSWER Ocean circulation Ocean ______mixed layer Seasonal Salinity surface Winds denser Pacific ______seas ______Melting glaciers dilute dilute Meltingbecause glaciersseawater temperature Support activitiesSecond – Support Two of SecondaryYear Cycle geology tides on at than sea lessdifferences pronounced temperatureare Earth. of the the on currentsare by waters moved . Ocean Arctic the IndianOcean, the AtlanticOcean, the Ocean, the water, the deeper sinks. theit deeper the water, is a measure of the amount of salt dissolved in a liquid. dissolvedin a salt The amount measure of isa of the are the main cause of surface currents. of maincausesurface are the the of ocean currents. allcombined describes effect the . ______” ” Its depth varies depending on the turbulence created by the onturbulence created depth Its varies depending

isaround 2 ,climate, ______density water ______or the waves. Below the 200-m 200-m the mark, the Below the waves. or Group: Group: 4°C. “ ______latitude ______direction ______between layers. between water The thermocline pounding against the rocks rocks of the against pounding vegetation depth temperature Date: fresh water Subsurface currents currents Subsurface The hydrosphere energy hydrosphere The and . ______. .

Thefactor . and and ACTIVITY ” Below ”Below ,latitude and and is 27 © E R P I Reproduction and adaptation perm itted

solely for classroom use w ith O bservatory. Name: resources Observatory / o) n) m) l) r) q) p) 11129-B ______Guide ______the creates fallscomesandintosea glaciers off The ice that example. fortops,mountainon Greenlandand found Theyare in accumulatedsnow. compression of Glaciers are by the driven bythe onoceans, travels It poles. iscomposedof the ice Pack inpermafrost. the andice rivers and ice,of pack consists It the iscalledformin solid thatisfoundEarth on The water poles. temperature lessens It Earth. transfer of loop in the is instrumental This circulation.” asisreferred their “ andto movement belt, conveyor loopa alike Theyform are huge currentsconnected. closely subsurface and Surface ______the ______energy the of harness currentlysystems that Researchers are developing putting forests flooded, gas. are However, greenhouse isa energyHydroelectric grid.a throughas distributed power The needed electricityisthen electric current. into to connected are which the water The force of spins the turbines. pipes to through artificialthe reservoirs. create Opening ______necessary uses Québec Also, the the Also, ______

______hydroelectricpower plant ANSWER KEY ANSWER ______global warming global ______icebergs waves salinity ______denser hydraulicenergy colder Support activitiesSecond – Support Two of SecondaryYear Cycle masses of ice ______rivers ______and ocean currents to generate to ocean currents and ______, water must be held back by held by mustbeback , water . ______therefore affect density.therefore water . it is as well. and isas Temperature it glaciers alternators renewable ______differences the water, the denser it is, and the saltier the saltierthe water,is, the theit and denser the water, and infrastructure to do so. a so. toTorun do infrastructure and 3 on on ice

to generate most of its electricity. It has the electricity.has mostof its It to generate ______Group: Group: damgates prevailing windsprevailing , large expanses of snow, frozen of frozen lakes snow, ,large expanses ______that convert the mechanical energymechanical thatconvert the ______energy source that produceslittlethat source energy “ floating on the oceans near theoceansnear the floating on ______between the equator and the equator and between the land

thermohaline ______ecosystems heat Date: electricalenergy cryosphere lets the flowthe water lets The hydrosphere energy hydrosphere The and dams ______turbines . It is threatened . It , formed by the by , formed ACTIVITY

at risk. at

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solely for classroom use w ith O bservatory. 4. 3. definitions? following 2. Name: resources Observatory /

Bacteria convert into it toxic peopleBacteria methylmercury, eventually compound, a which absorb. will – destroys Yes, it ecosystems reservoirs.because forests tomakeare flooded No, thermohaline circulation thermohalinecirculation a playsworld. theNo, in role regulating the climate around Can developing hydroelectric energy harm the environment? Give two examples. twothe Give environment? developing hydroelectric harm energy Can responsibleforthe circulation seasons? Is thermohaline c) b) a) 11129-B Mercury discharge,which from has in industrial the soil, inreservoiraccumulated ends water.up ______The hydrosphereThe Topography hydroelectric Adam Guide the Earth’s the affect circulationcanthat water or terrain landform, slope a fromelectrical energyinto riversenergy to usedconvert the structure a ANSWER KEY ANSWER “ blue ” envelope Support activitiesSecond – Support Two of SecondaryYear Cycle 4 Group: Group:

What term corresponds to each ofeach the term to corresponds What ______Date: The hydrosphere energy hydrosphere The and ______ACTIVITY 27