The Development of the Inquiry Cycle (5E) Instructional Packages with Application Media on the Ecosystems in Science Subject for Mathayom Suksa 3 students.

     The objectives of this research were 1) to develop of the Inquiry Cycle (5E) Instructional Packages
with Application Media on the Ecosystems in Science Subject for Mathayom Suksa 3 students. 2) to
study the efficiency of the Inquiry Cycle (5E) Instructional Packages with Application Media on the
Ecosystems in Science Subject for Mathayom Suksa 3 students. 3) to study the achievement of students
who using the instructional packages Inquiry Cycle (5E) Instructional Packages with Application Media on the Ecosystems in Science Subject for Mathayom Suksa 3 students. 4) to study the satisfaction of students using the instructional packages. The sample group was 43 Mathayom Suksa 3 students of Naluang School, obtained by selecting one classroom at random from a group of eight classrooms using simple random sampling. Bangkok  Metropolitan Administration. The research tools included a set of Instructional Packages, an achievement test,and a satisfaction assessment. Data analysis by mean, standard deviation and t-test (Dependent Sample).
       The results indicated that 1) the development of the Inquiry Cycle (5E) Instructional Packages
with Application Media on the Ecosystems in Science Subject for Mathayom Suksa 3 students. The quality
of the content is was at the good level (X¯ = 4.30) and the quality of media design at the very good level
(X¯ = 4.56) 2) The instructional packages set’s efficiency score was 83.95 out of 84.88 3) After studying,
students’ academic achievement increased significant statistically at the.05 level additionally, and 4) The
sample’s satisfaction with a set of instructional packages was at the high level (X¯ = 4.36)