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Water is one of the most important substances on Earth. Let's learn more about it.
Author: Horváthné Kunstár Andrea
water, ice, iceberg, Titanic, water vapour, humidity, boiling, evaporation, condensation, freezing, melting, change of state, water molecule, state of matter, temperature, temperature change, density, solid, liquid, gas, steam, frost-fragmentation, fragmentation, volume, aquatic lifestyle, fishes, chemistry, physics, nature, biology, nature study
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A lesson about the special properties of glass, the process of glassmaking and the various types of glass.
This lesson presents the concepts of density and buoyancy through the operation of the submarine.
Learn about the properties of materials that objects around us are made of.
Let's find solutions to the global environmental issues!
This lesson explains the reasons and consequences of the formation of climatic zones.