Project Comenius Science and Discoveries in Europe Zkladn
- Slides: 29
Project Comenius Science and Discoveries in Europe Základná škola J. Lipského s MŠ Trenčianske Stankovce Slovakia - 2011
Štyri prírodné živly- oheň, vzduch, zem, voda Science through the four elements – fire, air, earth and water Oheň Fire
Čo je sopka? What is a Volcano?
Najskôr si žiaci preštudovali o sopkách. At first the pupils studied about the volcanoes. láva a sopečný prach z islandskej sopky Eyjafjallajökull lava and volcanic dust from Icelandic Eyjafjallajökull
Ø Názov vulkán pochádza z mena Vulkán - boh ohňa v rímskej mytológii. Ø The name "volcano" has its origin from the name of Vulcan, a god of fire in Roman mythology.
Deti zistili veľa faktov o sopkách Children found out a lot of facts about volcanoes Ø it is a hole in the Earth from which molten rock and gas erupt Ø magma is a liquid rock inside a volcano Ø lava is magma that flows out of a volcano (its temperature is 7001200°C) Ø there around 1510 active volcanoes in the world (around 80 are under the oceans)
Typy sopiek: Types of volcanoes: Ø active (činné) – erruptions are often Ø dormant (spiace) - could errupt one time Ø extinct (vyhasnuté) - it hasn't erupted in a ver long, time so it probably won't errupt again
- na Slovensku nie je žiadna aktívna ani spiaca sopka posledné sopečné aktivity boli pred 100 000 rokmi in Slovakia there is not any active or dormant volcano tha last volcanic activities were 100 000 years ago Poľana – naša vyhasnutá sopka Polana – our extinct volcano Kamenný vodopád – Cerová vrchovina
Sopky sú veľmi nebezpečné (Japonsko 2011) často ich sprevádzajú Ø zemetrasenia Ø tsunami Ø záplavy Volcanoes are very dangerous (Japan 2011) there are often Ø earthquakes Ø tsunamis Ø floods
Ø zabíjajú ľudí, zvieratá Ø ničia budovy Ø prach spôsobuje choroby. . . Ø people and animals are killed Ø buildings are destroyed Ø dust causes illnesses. . .
Pred pokusom si žiaci vyrobili rôzne modely sopiek, vo vnútri každej je prázdna fľaša. Pupils made various moels of volcanoes with an empty bottles inside.
Použili rôzne materiály They used various materials
a svoju fantáziu. and their fantasy.
Pokusy so sopkami Experiments with volcanoes Pomôcky: • voda • ocot • prášok do pečiva • farbivo We need: • water • vinegar • baking soda • food colour
Postup: Ø naplň fľašu vodou (lepšia je horúca) Ø daj do nej trocha farbiva Ø pridaj sódu bikarbónu (prášok do pečiva) Instructions: Ø fill the bottle with water (hot is better) Ø add a bit of red food colour Ø add baking soda
Ø pomaly nalej do fľaše ocot Ø sleduj výbuch Ø slowly pour the vinegar into the bottle Ø watch the explosion Vysvetlenie explózie Ide o chemickú reakciu medzi sódou a octom, vzniká oxid uhličitý, vo vnútri vznikne tlak, ktorý vytláča bubliny z fľaše – podobne ako v reálnej sopke. Explanation of explosion It is a chemical reaction between the baking soda and vinegar, carbon dioxide is produced, pressure builds up inside the bottle until the gas bubbles are pushed out of the volcano - a good representation of what happens in a real volcano.
Ten istý postup The same experiment 1 3 2 4
Experiment – video 1
Experiment – video 2
Pokus č. 2 Pomôcky: • cukríky Mentos • coca-cola We need: • roll of mint Mentos • coke Experiment № 2
Postup: • vysyp mentosky do koly • sleduj výbuch Instructions: • drop all the Mentos into the bottle of coke • watch the explosion
Pokus č. 3 (Sopka pod vodou) Experiment № 3 (Volcano under the water) Pomôcky: • väčší pohár so studenou vodou • malý pohár s horúcou zafarbenou vodou We need: • a bigger jar with cold water • a small jar with hot coloured water
Postup: • pomaly ponor pohár s horúcou vodou do studenej vody • sleduj reakciu (teplá voda stúpa hore, lebo je ľahšia ako studená) Instructions: • slowly put a jar with hot water into cold water • watch the reaction (warm water rises up because it is lighter than cold water)
Pokus č. 4 Experiment № 4 Pomôcky: Ø plastová fľaša s octom Ø balón, v ktorom je prášok do pečiva We need: Ø a plastic bottle with vinegar Ø a balloon with baking soda
Postup: -zatvor fľašu balónom -vysyp sódu z balóna do fľaše s octom -sleduj reakciu (oxid uhličitý stúpa hore a nafúkne balón) Instructions: -close the bottle with a balloon -put soda from the balloon into the bottle with vinegar -watch the reaction (carbon dioxide pushes up into the balloon)
Podobný pokus: stúpajúci oxid uhličitý prechádza cez slamku do pohára, kde vytvára bubliny Similar experiment: carbon dioxide passes through a straw into coloured water in the glass where it makes the bubbles
Tento projekt bol zrealizovaný vďaka finančnej podpore Európskej komisie.
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