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Perez, Renante B.; Bua, Verlito E., Jr. – Online Submission, 2019
With the harsh environmental problems the world is experiencing today, it is high time to enhance environmental education offered by schools. Hence, the main goal of this research study was to determine the effectiveness of the integration of environmental education to formal basic education curriculum in the Educational District I, Schools…
Descriptors: Conservation (Environment), Curriculum Development, Environmental Education, Foreign Countries
Palmer, W. P. – Online Submission, 1996
The concept of physical and chemical change is far from being the clearest and most self-explanatory concept in the world. If a number of chemists are asked to define physical and chemical change, there may well appear to be a fair degree of uniformity in their answers, until a few examples are suggested. When chemists are asked to place a variety…
Descriptors: Chemistry, Scientific Concepts, Knowledge Level, Textbooks