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To make pupils aware of the fact that there is only one body of water on the planet and that all forms of life depend on water for existence. Presentation: Lesson 1 Teachers Guidelines The lesson could commence with a general discussion on water and its many uses. This should naturally lead to an investigation of the different forms of water: liquid, solid, gas. Water as a liquid comprises of water in streams, rivers, lakes and seas. Water as a solid comprises of ice. By doing an experiment making ice in a bottle, pupils will understand that low temperatures are required for freezing and that water expands when it is frozen. Water as a gas is probably a more difficult concept. However, doing the experiment What is Steam? should help to explain the concept to the pupils. The World's Water Pupils will be amazed by the distribution of water on earth. A map of the world could be consulted to form a concept of this distribution. By studying the diagram, pupils will become aware that 97% of the water on earth is salt water and 3% is fresh water. However, we cannot use all of the 3% as 3/4 of this is tied up in permanent ice at the North and South Poles. Another 15% of what remains is underground and difficult to reach, so 1/3 of 1% is available for humans, plants and animal. The Water Cycle The Water Cycle is introduced to enable pupils to understand that there is only one body of water on this planet. This one body is made up of ground water and surface water. This water is continually being recycled. The Water Cycle diagram on the pupil’s activity card 1B will help to explain this process of recycling and the concepts of evaporation, condensation and precipitation. By carrying out the project, Setting up a Garden in a Bottle, it will help further explain to pupils these concepts. To find out more about setting up a garden in a bottle, please follow the link below. Water for Life This part emphasises that all forms of life depend on water for survival. Emphasis is placed on human needs and the make-up of the human body. About 2/3 of our bodies are made up of water. Water Conservation Since there is only one body of water on planet Earth, pupils should be encouraged to be respectful and careful of how water is used. By doing the experiment Wasting Water, pupils should be more conscious of the need to conserve water. The following experiment should reinforce this. Revision Two different types of revision material accompany this lesson; activity cards and whiteboard material. The activity card is a 4 page document that is filled out by the pupils to test their knowledge of the lesson taught. The teacher can decide if the activity card is filled out individually or in teams The whiteboard resource tests the pupils knowledge of the lesson taught. Pupils are encouraged to actively engage in answering questions relating to forms of water, the worlds water, and the water cycle. At the end of the lesson, Pupils should know The three different forms of water. How the world’s water is distributed. How the Water Cycle works. The importance of water conservation. The three different forms of water. How the world’s water is distributed. How the Water Cycle works. The importance of water conservation.
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Sa chéad cheacht pléitear uisce faoi na teidil seo a leanas: Uisce an Domhain, Timthriall an Uisce, Uisce don Bheatha agus Caomhnú Uisce. Pléigh na húsáidí éagsúla a bhainimid as uisce. Pléigh trí staid uisce: leacht, solad agus gás. Is leacht é an t-uisce sna srutháin, sna haibhneacha, sna lochanna agus sna farraigí. Is solad é an t-uisce in oighear. Is féidir turgnamh a dhéanamh le taispeáint go reonn uisce nuair a bhíonn sé sách fuar agus go bhforbraíonn sé nuair atá sé reoite. Cabhróidh an turgnamh “Cad is gal ann?” chun an coincheap d'uisce ina ghás a mhíniú do na páistí. Uisce an Domhain Cuirfidh dáileadh uisce an domhan ionadh ar na páistí. Bain úsáid as léarscáil an domhain chun an coincheap seo a mhíniú níos fearr. Pléigh an léaráid leis na páistí. Tuigfidh siad uaidh gur sáile é 97% d'uisce an domhain agus gur fionnuisce é an 3% eile. Ní féidir linn, áfach, an 3% seo a úsáid toisc go bhfuil trí cheathrú de reoite ina oighear ag an Mol Thuaidh agus ag an Mol Theas. Níl fáil againn ar 15% eile de, os rud go bhfuil sé faoi thalamh agus go bhfuil sé deacair teacht air. Ciallaíonn sé sin nach bhfuil ach trian de 1% d’uisce an domhain ar fáil dúinne, do phlandaí agus d’ainmhithe. Timthriall an Uisce Pléigh Timthriall an Uisce leis na páistí le taispeáint dóibh nach bhfuil ach stór amháin uisce ar domhan. Tá sé seo déanta suas d’uisce dromcla agus d’uisce atá faoi thalamh. Bíonn an t-uisce seo á athchúrsáil de shíor. Mínítear galú, comhdhlúthú agus titim báistí go soiléir sa léaráid ar Chárta Oibre 1B. B’fhiú gairdín a dhéanamh i mbuidéal sa rang chun na coincheapanna seo a mhíniú níos fearr. Má theastaíonn cabhair uait chuige seo oscail an suíomh idirlín Blackrock Education Centre Faoin teideal “environment” lorg “Using a plastic or glass bottle to make a Native Woodland Garden.” Uisce don Bheatha Léirítear sa chuid seo den cheacht go bhfuil uisce riachtanach do gach dúil bheo. Cuirtear béim ar riachtanais an duine agus comhdhéanamh an choirp. Tá timpeall dhá thrian de chorp an duine déanta d’uisce. Caomhnú Uisce Níl ach stór amháin uisce ar domhan agus dá bhrí sin ba chóir na páistí a spreagadh chun meas a bheith acu air, é a úsáid go ciallmhar agus é a chaomhnú mar is cóir. Cabhróidh an turgnamh “Uisce á chur amú” le páistí chun an tábhacht a bhaineann le caomhnú uisce a thuiscint níos fearr.