Blog - Aida Petrovska

Experiment: How are plants cooled? Necessary materials and measuring instruments: - three twigs of a linden or birch tree - three glass jars - oil - a thermometer Work methods: Pick three twigs from the birch tree that differ in the number of leaves. Let one twig be without leaves, on one to have 3-5 leaves, and on the third 10 - 15 leaves.   Make sure that the selected twigs have been at...

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The planet Earth is a mixed living and nonliving system. It is the suprasystem of an supranational systems as well as the total ecological system, with all its living and nonliving components.  The Earth is an open system, interacting with its atmosphere and with matter and energy in space.  ЕКО - ПОТРЕБИ Постои голема потреба од позитивно рециклирање на...

Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth’s climate.   The average temperature of the Earth has risen between 0.4 and 0.8 °C over the past 100 years. The increased volumes of carbon dioxide and other greenhouse gases released by the...

Thermal insulation  - Energy in the home  We lose energy from the roof, the door, the walls and the windows. In order to reduce electricity bills and pollution, we need to keep energy losses from our homes to a minimum. - Heat loss prevention - curtains Curtains reduce draughts leaving the house. They are opaque and so don’t allow much radiated heat to pass through them. - Heat...