Journal of Education & Social Policy

Using matrix laser parallel light teaching aids and group cooperative learning to conduct teaching research on the moon unit in the fourth grade of elementary school
Tian-Da Hsieh, PhD Candidate

Abstract
In the moon unit of the fourth grade of elementary school in Taiwan, students often do not understand the causes of the phases of the moon, and they cannot understand the concept of sunlight. This research focuses on the development of matrix laser parallel light teaching aids, which can specifically display the parallel light of the sun and show the changes of the moon phase. Not only that, cooperative learning can also improve students' learning effectiveness. The object of this research is 150 students in the fourth grade. A two-factor quasi-experimental research design is adopted, that is, matrix laser parallel light teaching aids and group cooperative learning. The results showed that: (1) the moon cognition of the students in the laser-cooperation group, the laser group and the cooperation group was better than that of the students in the control group; (2) in terms of writing, the students would think about the causes of the moon phases in terms of the relationship between the sun, the moon and the earth; (3) In the case of group cooperative learning, the students in the laser-cooperative group performed better.

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