Third, the researcher developed CAI using the following steps : using Captivate to create multimedia presentations for the teaching contents and developing the CAI and using the principles of electronic media design. The lessons were designed and developed using multimedia such as characters, texts and graphics to motivate the students’ interest. Finally, the students took pretest and posttest and this CAI was evaluated by three experts in the field. The recommendations from the experts were used to revise the lesson regarding contents and multimedia