In the teaching of science and mathematics, the special class Have a tea is more writing and research in project. By the start of the grade 4.In order to build in Grade 5 of project. In this course the practice by students and group share project work in physics, chemistry, biology, and mathematics, I do a project about chemistry.To explore the quality of the fish in the river that can be used to eat? Or is the contamination of heavy metals is very much. When attending the special class science and do activities.And I want to study the true
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