The purpose of this study is to identify some of alternative conceptions by fourth grade pupils about some scientific concepts in two terms (energy-electricity and magnetism). To achieve that, the researcher used the analytical descriptive method, and she prepared a test to identify the alternative conception; she ensured its reliability and constancy. The sample is consisted of (143) pupils in Lattakia province schools. The results showed that the sample of study has alternative conceptions about concepts of two per-terms and the percent arrived about some concepts to (91.60%). The research suggested identifying the alternative conceptions before starting learning process.