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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
Let's follow the journey of water and find out how it gets into our glasses.
This lesson presents the production of waste water, its treatment and environmental impact.
In this lesson you will learn more about the life of fish.
A lesson about edible frogs.
A lesson about the special properties of glass, the process of glassmaking and the various types of glass.
Let's follow a river's journey from its source to its mouth.
This lesson presents the concepts of density and buoyancy through the operation of the submarine.
A guide about the meaning of icons found in digital lessons and the possibilities of using them.
A lesson about the various types of underground waters and their properties.
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.