Water resources and quality

IntroductionWhen we think of water in a solid form, we usually think of ice, but there are a number of ionic compounds that have water molecules embedded in their crystal lattice, and not in small quantities. The incorporated water is called crystal water and the ionic substances are called crystal […]

IntroductionThe most spectacular landforms are created by rivers. They move vast amounts of material, destroying and building, creating both negative and positive forms. The higher the flow and velocity of a river, the higher its energy and working capacity.Objectives• Developing problem solving, practical thinking skills• Developing social and mathematical competencesLearning […]

IntroductionSurface tension is a fundamental property of liquids. It causes liquids to curve into the smallest possible specific surface area (sphere), if they are not subjected to external forces. The cause of surface tension is the cohesive force between the particles of the liquid (atoms, simple and complex ions, molecules, […]

IntroductionThe original location of this scenario is Szentlőrinc. It is a small rural town in Hungary, surrounded by agricultural desert, but the valuable protected natural areas of the Mecsek hills are within easy reach. Using public transport, the trip would require a full day’s activities. The Bükkösdi stream (locally known […]

IntroductionThese days a lot is spoken about sustainability, climate change, renewable energy. Hydropower plants and nuclear power plants are not unquestionably accepted, though. The aim of this scenario is to make students think about the ups and downs of hydropower and nuclear power plants, and to think about the possible […]

Introduction Even kindergarten children know that water is a treasure. But how is it produced? Where does it come to our glass from?The aim of the two-part activity is for pupils to learn about the water cycle, the steps and possibilities of producing drinking water in their own environment, through […]

Introduction Much is spoken about the water resources of Earth but groundwater is less frequently mentioned. This activity aims at informing students about the importance of groundwater, where it is found, how it is used, what are the threats groundwater is exposed to. The concrete experience students get is doing […]

Introduction Planning the escape room: collecting material, creating an online puzzle and worksheet, distribution of materials and equipment for the experiment.The essence of the mini project is this: grade 11 students plan and implement an escape room for grade 9-10 students, based on the knowledge they have acquired during their […]

Introduction Have you ever created and/or used natural, environmental-friendly cleaning products? This is important because the most of the not eco cleaning products spilled into the environment down the drain with a high chance of entering our natural waters has negative impact on the quality of our drinking water and […]

Introduction Have you ever wondered how much drinking water is used on an average summer day? In most of Europe, we take for granted that we only need to turn on the tap and have access to clear drinking water 24 hours a day. We wash, cook, clear up, and […]