Abstract B α α α α Wheatstone bridge R-C Circuit, Capacitance Meter by AC Bridge Method              E-tutoring, e-coaching, e-mentoring                   ó ó         Wheatstone bridge R-C Circuit, Capacitance Meter by AC Bridge Method                α α α α α α α α α α α α α α α α α  α  α  α α  α  α  α α α      http://www.qou.edu/newsletter/virtialRealityandEducation.jsp http://www.qou.edu/newsletter/virtialRealityandEducation.jsp http://www.alizuhdi.com/ali/index.php?page=morehyper&id=60&cate=articles http://www.alizuhdi.com/ali/index.php?page=morehyper&id=60&cate=articles javascript:__doPostBack('ctl00$ContentPlaceHolder1$ProfessorView1$LinkButtonCountry','') http://www.fralmadani.com/wp-content/uploads/2011/03/%D8%A7%D9%84%D9%86%D8%B8%D8%B1%D9%8A%D8%A9-%D8%A7%D9%84%D8%A8%D9%86%D8%A7%D8%A6%D9%8A%D8%A9%D8%A8%D9%8A%D8%A7%D8%AC%D9%8A%D9%87.pdf http://www.fralmadani.com/wp-content/uploads/2011/03/%D8%A7%D9%84%D9%86%D8%B8%D8%B1%D9%8A%D8%A9-%D8%A7%D9%84%D8%A8%D9%86%D8%A7%D8%A6%D9%8A%D8%A9%D8%A8%D9%8A%D8%A7%D8%AC%D9%8A%D9%87.pdf http://www.fralmadani.com/wp-content/uploads/2011/03/%D8%A7%D9%84%D9%86%D8%B8%D8%B1%D9%8A%D8%A9-%D8%A7%D9%84%D8%A8%D9%86%D8%A7%D8%A6%D9%8A%D8%A9%D8%A8%D9%8A%D8%A7%D8%AC%D9%8A%D9%87.pdf http://www.fralmadani.com/wp-content/uploads/2011/03/%D8%A7%D9%84%D9%86%D8%B8%D8%B1%D9%8A%D8%A9-%D8%A7%D9%84%D8%A8%D9%86%D8%A7%D8%A6%D9%8A%D8%A9%D8%A8%D9%8A%D8%A7%D8%AC%D9%8A%D9%87.pdf  (AECT), Association for Educational Communications and Technology,(2004). 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United States: Goodhear Wilcox Company, 5th Edition.  Wright, P & Neugent, L & McGraw,T (2010). Eucational Technology Plan for Virginia, Commonwealth of Virginia Department of Education.  YILMAZ, İ. (2012, January ). IS EDUCATION A SCIENTIFIC DISCIPLINE? American International Journal of Contemporary Research, p. Vol. 2 .  Francisco, G. (2003) International Dictionary of Education, Nechols Publishing Company. http://link.springer.com/article/10.1023/A:1025692409001#page-1 https://www.google.ps/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CBsQFjAA&url=http%3A%2F%2Fwww.allaboutcircuits.com%2Fvol_2%2Fchpt_12%2F5.html&ei=vIKXVJDjIan7ywPyhYGwCw&usg=AFQjCNHF2yKAM42JFuNh-xmTfkXGVQHhpQ&bvm=bv.82001339,d.bGQ Capacitance Meter By AC- Bridgr Method Objectives: 1. Measurement of an unknown capacitance. 2. To stydy series and parallel connections of resistors. Apparatus: AC power supply, resistance box, unknown resistance, three unknown capacitance, known capacitance, oscilloscope (C.R.T) . Fig(1) Capacitance Meter By AC- Bridgr Method Procedure: connect yhe electrolyte capacitors in series and paralell. Fig(2) the circuit as shown in Electronic Workbench Change the value of the resistance to notice the distance between the spot on the (C.R.T) to calculate the unknown capacitance Cx. Cx=C.R2/R1 Connect the three unknown capacitors C1,C2 and C3 in series to find the equivalent capacitance 1/Ceq= 1/C1+1/C2+1/C3 Connect the three unknown capacitors C1,C2 and C3 in paralell to find the equivalent capacitance Ceq=C1+C2+C3 Compare between results. An-Najah National University Faculty of Graduate Studies The Effect of Using Virtual lab on the Development of laboratory skills and attitudes towards using them in learning Physics of physics Students in the college of sciense at An-Najah National University By Layal Sameer Abu-Zant Supervisor Dr. Ali Zuhdi Shaqour Co- Supervisor Dr.Abd AlKarim Ayyob This Thesis is submitted in Partial Fulfillment of the Requirements for the Degree of Master of Method of Teaching Science, Faculty of Graduate Studies, An-Najah National University, Nablus, Palestine. 2015 The Effect of Using Virtual lab on the Development of laboratory skills and attitudes towards using them in learning Physics of physics Students in the college of sciense at An-Najah National University By Layal Sameer Abu-Zant Supervisor Dr. Ali Zuhdi Shaqour Co- Supervisor Dr.Abd AlKarim Ayyob Abstract This study aimed at investigating the effect of Using Virtual lab on the Development of laboratory skills and attitudes towards using them in learning Physics. In order to achieve the goal of this study, the researcher prepared some questions: 1) What is The Effect of Using Virtual lab on the Development of laboratory skills between controlled and experimental groups? 2) What is The Effect of Using Virtual lab on the Development of laboratory skills between experimental groups Attributed to the sex? 3) What is The Effect of Using Virtual lab on the Development of laboratory skills between experimental groups Attributed to the experience? 4) What is The Effect of Using Virtual lab on the attitudes towards using them in learning Physics of physics Students in the college of sciense at An-Najah National University? The population of the study consisted of all sudents who registered (General Physics Laboratory 2 course - 22108) during the first semester (103) sudents. The study sample consisted of 54 students from the population of the study selected by random way, was divided randomly into two groups, namely: controlled and experimental. The former group consisted of 24 students, which studied traditionally (traditional lab) while the latter consisted of 30 students, studied by using a computerized educational program (virtual lab). The researcher designed Rubric to find out The Effect of Using Virtual lab on the Development of laboratory skills and developed a scale of attitudes towards using virtual lab in learning Physics of physics Students consisted of 43 multiple choice questions. The results showed that there are variations at the significance level of (α=0.05) in the of laboratory skills of the students and their attitudes due to the teaching method in the experimental group. In addition, the researcher recommended encouraging to use the virtual lab to teach the different branches of physics