On Earth all objects have a weight which Earths mass exerts on them to downward force of gravity. The weight of an object can find somethings weights in Newton unite. It calculated on multiply the mass in kilograms by the acceleration of gravity in the units of meters/seconds2. The purpose of this study was to design and develop an experimental setup for measuring the gravity acceleration. It involved designing by using free-fall motion method in vacuum tube based on digital Technology and photo gate sensor measured the velocity of the ball object. The data were analyzed by Microsoft Excel. The value of gravity acceleration obtained at 9.617 m/s2 from the experiment set up. The value from the experiment was compared with the obtained from true value at Bangkok Thailand. It found the error at 1.697 %. The assessment of the quality used a questionnaire for data collection. Five content experts in Physics teaching evaluated it. That found mean 4.89. The results of the study revealed that the experimental set up were excellent quality of and high efficiency. So that this experiment suitable to be used in physics classroom.

The purposes of this research aimed to 1) develop the instructional packages namely Vector Quantities and 2) compare the achievement scores of the experimental group and the control group. The samples were 60 Computer Science students of Faculty of Science and Technology at Rajamangala University of Technology Phra Nakhon who took Principle of Physics course in semester 1 academic year 2013. They were purposely selected as an experimental group (30 students) and a control group (30 students). They were given two different treatments ; teaching with the instructional packages and the conventional teaching. The research instruments for the experimental group were the instructional packages comprised lesson plans instructional documents and instructional media whereas the control group was taught with only instructional documents. After of the experimental process both of them were given exercises and teacher’s feedback. Then they were tested to see their achievement. The test was 20 multiple choice items which had the degree of difficulty between 0.33-0.77 the degree of discrimination between 0.30-0.77 and the degree of reliability coefficient at 0.73. The analysis of data comprised 2 parts as follows: 1. The development of instructional packages was evaluated by using statistics One – Sample t -test on Vector quantities Demonstration and using statics in terms of mean on the lesson plans instructional documents and instructional media . 2. The achievement scores were evaluated by using t-test at the level of 0.5. The results of this research revealed that : 1. The quality of the instructional packages was excellent. 2. The achievement scores of the students who studied with the instructional packages were higher than those of the control group at the level of .05

The purposes of this research was to manufacture Electronics Media on Web and compare achievement between teaching using E-leaning and teaching using conventional techniques on Analysis of the Experimental Results by Using Graphs of Science and Technology Faculty at Rajamangala University of Technology Phra Nakhon.