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KOSMOS Chemielabor C 3000Was ist eine Destillation? Wie funktioniert Elektrolyse und was ist eine Redoxreaktion? Hobbychemiker und junge Forscher lernen bei 333 Experimenten vielfltige chemische Arbeitstechniken kennen und arbeiten an komplexen Versuchsaufbauten. Die reichhaltige Laborausrstung ermglicht eine vertiefende Beschftigung mit der Chemie in einem didaktisch aufbauenden Kurs. In der ausfhrlichen, reich bebilderten Anleitung werden weite Bereiche der anorganischen
Was ist eine Destillation? Wie funktioniert Elektrolyse und was ist eine Redoxreaktion? Hobbychemiker und junge Forscher lernen bei 333 Experimenten vielfältige chemische Arbeitstechniken kennen und arbeiten an komplexen Versuchsaufbauten. Die reichhaltige Laborausrüstung ermöglicht eine vertiefende Beschäftigung mit der Chemie in einem didaktisch aufbauenden Kurs. In der ausführlichen, reich bebilderten Anleitung werden weite Bereiche der anorganischen und organischen Chemie vorgestellt. Mit Experimenten wird die Chemietheorie anschaulich und verständlich erklärt: Atombau und chemische Bindung, chemische Formeln, Periodensystem und Elementfamilien, chemische Reaktionen, Metalle, organische und anorganische Verbindungen und viele weitere Begriffe der Chemie. Ganz nebenbei werden eigenständiges Experimentieren und selbstständiges Weiterforschen gefördert. Inhalt: 16 Chemikalien, Stativ, Spiritusbrenner, Brennergestell, 7 hitzebeständige Reagenzgläser, Reagenzglasständer und -halter, Siedestab, Erlenmeyerkolben, Tropfpipetten, Messbecher mit Deckel, Abdampfschale, Schutzbrille, Anleitung (192 Seiten) und weitere Teile. Zusätzlich benötigt:1 x 9-Volt-Blockbatterie Typ 6LR61, Brennspiritus, entmineralisiertes Wasser, Essigessenz, Natron, Zitronensäure, Hirschhornsalz, flüssige Zukaufchemikalien (10 ml 1%ige Silbernitrat-Lösung, 100 ml 4%ige Natronlauge, 100 ml 7%ige Salzsäure, 100 ml 3%ige Wasserstoffperoxid-Lösung, 50 ml 3,4% Ammoniak-Lösung), einige LebensmittelAchtung! Für Kinder unter 3 Jahren nicht geeignet. Erstickungsgefahr, da kleine Teile verschluckt oder eingeatmet werden können.
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4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Full of great ideas
Format: Paperback
While not well written, the book does deal with a critical topic, i.e. Why do kids leave the church soon after Sunday school? Jack identifies the singular reason and gives very helpful examples of how to prevent the trend from continuing in your S.S. or home. It shows good hands-on, tried and tested ways, not just theory, to help kids (and adults) fall in love with Jesus. Jack reminds us that as teachers or parents we are totally dependent on the Lord to give us that love. I was also helped by the section on discipline/keeping order in the S.S. I expect to use this book to help improve the teaching and discipline in our S.S, Perhaps, most importantly, personal application is needed first.
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Reviewed in the United States on August 27, 2014
★★★★★ 5
Life changing
Format: Kindle
This is without a doubt the best book I have ever read aside from the Bible. This book taught me more in one day than 25 years in church. I had never been more excited about Jesus or the bible until this book, my son has caught on and loves to talk about it. My one goal as a parent, the only thing I truly want for my son is to have a love for god and an understanding of Gods love for him and I didn't know how to reach that goal until I read this. I prayed about it, and this book came up on my suggestion list with one review, could of been the mans wife, but I just knew that it wasn't a coincidence. I have since read it twice in my kindle and came back to order it in hardcover. Every parent and ministry leader should read this heavenly book. I have never read an author that was so humble, not the humble that makes you smirk but the type that makes you cry because you don't feel like you are being schooled or judged but somehow this man gets right on your level and speaks to your soul. Jack, thank you, for your humility, for your obedience, for your love for God, you have changed our lives and I will always be grateful.
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Reviewed in the United States on August 28, 2014
★★★★★ 5
Relevant to the present day.
Format: Paperback
Joseph Stalin makes the concepts of dialectical and historical materialism accessible to the lay-person in this work. It's short, but dense and does a good job of explaining why the communist party of the 1920s and 1930s chose to pursue the policies they did. A fascinating insight into the fundamental world-view of a controversial world figure. Only 44 pages, but you will likely reread it several times in order to truly internalize its messaging. Thankful to the seller for making this essay available as the works of polarizing political figures are often censored, suppressed or outright banned in many places. The English translation does a fine job of conveying the original essay written in Russian.
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Reviewed in the United States on March 2, 2024
★★★★★ 5
5/5
Format: Paperback
A great book written by a great man
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great insight into stalins worldview
Format: Paperback
Shows a contradicting world view than western sources say. Stalin was clearly educated and articulate
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Reviewed in the United States on May 12, 2024