<p> © E R P I Reproduction and adaptation perm itted </p><p> solely for classroom use w ith O bservatory. 1. radiationSolar 32 ACTIVITY ofYearTwoSecondary Cycle Second activities – Support Name: Observatory / a) someuse once. may words more than groupsofbox You the words words or in the below. sentences, using the following Complete c) b) • • • • • • • • 11129-B electromagnetic differences curvature current copper concrete collectors sun amount of ______Guide throughout space in the form in of spacethe throughout fusion ______of iscomposed75 It heat.and light isa The Sun and ocean currents, which distribute heat unevenly around the globe.unevenly currents, the heat around distributewhich ocean and ______of the Because rays the the atmosphere, warm The sun’s rays.infrared frequency a than has lastof higher ray This type some rayssmall of aproportion rainbow, infrared and They include Only Sun. bya the emitted electromagneticrepresentspectrumthe of the The waves Celsius. degrees core the Sun’s is 15 temperature at minutes. The eight just ______in temperature between the equator and the poles poles create equator the and between inthe temperature ANSWER KEY ANSWER . ANSWERKEY This activity transforms the gases in the Sun and generates energy that is dispersedthat energy generates Sun and activitythe in gases the This transforms electromagnetic solar energysolar helium ______• • • • • • • • motion million areas isolated hydrogen houses homes helium expensive Support activitiesSecond – Support Two of SecondaryYear Cycle visible light visible curvature star ______waves and reaches the Earth, 150 million million 150inaway,Earth,kilometres waves the reaches and undergoing is constantly . It than the poles. theThe resulting poles. than ______</p><p> percent percent • • • • • • • • part part renewableenergy radiation photovoltaic cells systems passive heating part panels oceans nuclear 1 radiation ______that provides two essential elements for life:for elements thatprovides essential two , which corresponds to the colours colours of the to the corresponds , which ______of the Earth, tropical regions receive more the tropical regions Earth, of Group: Group: 32 HANDOUT RELATED 242 ______hydrogen oceans STUDENT </p><p> of these waves reaches thereachesEarth. these waves of ______. Solar energy byis carried.Solar energy </p><p>BOOK: ultraviolet Date: • • • • • • • nuclear radiation differences EST</p><p>Chapter 7, Chapter pages 239– 7, : winds visiblelight ultraviolet sun’s rays star solarenergy silicon million million winds and the ground. ground. the and ______</p><p> and 25and Concept Concept review</p><p>Solar Solar radiation percent percent ACTIVITY rays.</p><p>32 © E R P I Reproduction and adaptation perm itted </p><p> solely for classroom use w ith O bservatory. Name: Observatory / g) f) e) d) h) 11129-B ______Guide Solar collectors are used to heat air in buildings and in water and heat in buildings collectors air are to used Solar and withup filled water heats are that rays. sun’s glasscollectorsare large Solar ______in set of up madeusually They are satellites. aresolarpanels,which on houses and assembled in used some in are ______stored.have heat materialsthey release the evening, these in the like energy, solar absorb Materials the windows air. that through heats and large shines The sun they receive. heat ______cells solar and photovoltaic asheating systems,thissuch passive energy, of use “ iscalled the radiation atmosphere through Sunemits its by the The energy option for option ______the on ______they however:are some havetechnologies disadvantages, These swimming or pools. ______Passive systems heating ANSWER KEY ANSWER ______renewable energyrenewable Photovoltaic cells solar energysolar collectors sun’s sun’s rays ______expensive Houses ______current amount ofsun amount motion isolated areasisolated ______Support activitiesSecond – Support Two of SecondaryYear Cycle Copper ______. . electronselectric creates an movementof the then . The . that that depends generate amount they of install,energy the and to andofmost make the light the strategically to positioned are light.and sun’s heat of advantage the take are used to supply electricity to homes and appliances. homes They appliances. supply and to electricity are to used . ” Various technologies have been developed todevelopedmake Variousbeen have technologies ” silicon ______produces no greenhouse gas. It also provides an energy an also gas. provides It greenhouse no produces when they are struck by the the by struck they are when concrete available. Nevertheless, solar energy is a source isa solarenergyof Nevertheless, source available. then moves on to radiators or other heating units. other radiators heating on or moves to then , such as the North.the Far as ,such pipes beneath the the beneath pipes 2 panels Group: Group: cells. The electrons of this are elementof cells.this The electrons ______, are used inside the houses; later, the inside used , are ______that capture the heat of the the heat capture that Date: ______panels</p><p> homes Solar Solar radiation ACTIVITY 32</p>