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Strom aus Hibiskusblütentee
Alternative Energien werden immer wichtiger. Überall sind kann man Solarfelder sehen: auf Hausdächern, in Gewerbegebieten oder teilweise an ganzen Gebäudefassaden. Allerdings gibt es nicht nur eine Sorte von Solarzellen. Eine unbekannte, jedoch sehr interessante ist die Farbstoffsolarzelle, welche die Chemiekurse des 11. Jahrgangs am 20. und 21. März mit dem “Science on Tour“-Team hergestellt haben. (Galerie)
Spaß mit Silikon…
Am Dienstag, den 28.02.2017, hieß es für uns, den Schülern der 9. Klasse, Chemieprojekt. Natürlich geht man an solch einen Tag ohne große Vorurteile ran. Ist ja nicht so, dass Chemie langweilig wäre…jetzt einmal ohne Ironie, der Tag war entgegen so einiger Erwartungen doch recht spannend. Denn wann hat man im Alltag schon die Chance dazu, Silikon herzustellen?
Die Schüler der 8. Klassen experimentieren mit gasförmigem und festem Kohlenstoffdioxid
Am Montag, den 27.02.2017 war das mobile Labor der btu-Cottbus-Senftenberg zu Gast im Chemieunterricht der 8. Klassen. Die ersten beiden Gruppen der 8. Klasse erforschten mittels Spritzen, Hahnenbänken und allerlei anderen medizin- und labortechnischen Gerätschaften zunächst den gasförmigen Zustand des Kohlenstoffdioxids. Dazu wurde CO2 aus einer Brausepulvertablette in einem speziellen System aus Spritzen hergestellt und aufgefangen. Im Anschluss daran wurden Nachweisreaktionen von CO2 mit Methylrot und Bariumhydroxidlösung (Barytwasser) durchgeführt.
Weiterlesen: Die Schüler der 8. Klassen experimentieren mit gasförmigem und festem Kohlenstoffdioxid
Paracetamolsynthese
Das neue Jahr begann für die Chemieschüler des 12. Jahrgangs gleich einmal mit einem Paracetamol – Projekt. In Zusammenarbeit mit der BTU – Cottbus bekamen die Schüler die Möglichkeit, das uns allen bekannten Schmerzmittel Paracetamol selber herzustellen. Die Bezeichnung „Paracetamol“ ist eine Abkürzung für die chemische Verbindung para-Acetylaminophenol und hat die Summenformel C8H9NO2. Anfangs wurden die Schüler mit den nötigen grundlegenden Informationen versorgt, bevor es dann richtig losging. Mit Hilfe einer Anleitung zur Versuchsdurchführung war es für die Schüler dann schließlich
„Happy Birthday“- Sound aus Hibiskusblüten
Farbstoffsolarzellen sind eine wichtige und neue Art von Solarzellen. Einsatz finden diese auf Dächern oder integriert in Fensterscheiben aufgrund ihrer Transparenz.
Das Team von „Science on Tour“ um Herrn Dipl.-Chemiker Karl-Heinz Krätzschmar kam am 31.03.2014 mit einem Schülerversuch zu den Chemiegrundkursen der 11. Klassen um zu zeigen, wie eine Farbstoffsolarzelle aufgebaut ist und funktioniert.