The background of the study in this research are the students still have difficulties in remembering new vocabulary and confused to understand the vocabulary. The teacher still uses conventional method, the teacher only translates the words and monoton, so the students are easy to get bored. To improve young learner’s understanding, teacher use English children songs as teaching aid to help her in teaching learning process.

The problem of this research can be stated as follow; (1) how is the implementation of using flash cards to improve young learner’s understanding on concrete nouns? And (2) how is the improvement of the students’ English vocabulary power in noun after being taught through using English children songs?

The study was conducted at MI Miftahul Ulum Sekuro Jepara the Academic Year 2010/2011. The subject of this study was the students of fifth graders. The number of the subject was 38. The design research that used was classroom action research with the reason the teachers can develop and repair their skills in giving the material to the students. This research conducted pre-test, and two cycles in classroom action research.
The techniques which were used to collect the data are observation, and test. In the pre-test, the teacher uses conventional method. The teaching learning process in cycle 1 until cycle 2 in classroom action research, the teacher introduces the words that represented by English children songs and gives test.
In this research, the researcher analyzed the result from observation and achievement test from each cycle. In the pre-test, there are about 45% or less half of students give attention and response maximally to the teacher, the average of the students’ achievement was 57,35. In the first cycle there are about 50% or half of students joined the class, and the average of the students’ achievement was 66,38. In the second cycle there are about 75% or almost majority of the students joined in the class, the average of the students’ achievement was 80,27.
Based on the results of the research, it can be concluded that by using English children songs in teaching noun, teacher can improve students’ ability in vocabulary. And it is hoped that it can be valuable as the information resource for students, teachers, and the researcher herself.