The following research shows an analysis about the value to introduce experimental chemical
class joint of contente presentes into the classroom to create a connection with theory and
practice, where the teacher can show the bond between study approached with a daily students
class. The experimentation in the process of teaching-learning comes often used to show one
science and/or chemistry less absent for who is learning, the practice classes works as
visualization method and testify the theory and concepts as support for cheer up and excite the
students turning something such attractive and which make more students cleaver in to the
process of investigation. Heading this goal research, we aim for the main difficulties faced for
the teacher in the execute process practice in their classroom, and also na outlook of students
about the practice class of chemistry instruction. This research has explorer feature with
emphasis on qualitative analysis. It was used as the methodology a quis for the students of a
public high-school in Manaus, where was asked about their ideas about experimental class
and leaving their opinion for those classes. Many schools presente a lack of solid place and
materials for the experiments practice, by the way many teachers talk about the lack of time
for for this kind of exercise and the crowded classroom. However, we can determine that for a
good mode to get concentrate students to have a teaching process is because of effectiveness
of experiments which can bring more easily to the classroom and reply at home, mainly in the
application of experiments with low cost materials
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