Search results for “conservation de l'eau”

08 Law of the Conservation of Mass

The "law of the conservation of mass" applies! But why do all the experiments described give false results? Something has not been taken into account in these attempts. Find out what went wrong! And how could you make the last attempt so that it delivers the correct result? Original: "Wolfgang Duko

Biodiversity: Protecting Wildlife and Habitats

Our video explains the role of ecosystems, the threats they face, and practical steps to conserve nature. It suggests how communities can make a difference in preserving our planet's rich diversity of life. #biodiversity #wildlifeprotection #savetheearth #wildlifeconservation #ecofriendly #savewildl

08 Setting up reaction equations

The screencast shows how to formulate reaction equations in the chemical formula language. The law of conservation of mass is fundamental and is evident both at the particle level and in the reaction equation. Afterwards it is necessary to practice a lot! Original: "Wolfgang Dukorn" Original: Germ

Do you want to save someone's life | DKMS Germany

Of course you would save someone's life! But why don't you do it? 🤔 It's mega easy! In our video, we'll tell you just three short steps. 💪 It's really easy: open your mouth. Chopsticks in. Be a donor. Order your registration set on dkms.de/yt-registrierung and become a stem cell donor. Maybe you

08 Reaction Equations Molecules and Salts

A reaction equation with molecules and salts (possibly also with metals) together is very demanding for the initial lessons. How to proceed and also how to comply with the law of conservation of mass follows in this screencast. Original: "Wolfgang Dukorn" Original: German. All translations in this