Dr.D.Krishnamoorthy Assistant Professor in Physical Science, Kongunadu College of Education, Tholurpatti, Thottiyam T.K, Trichy D.T Need and significance of teaching Physical Science 1. To understand the nature of Physical Science 2. To Obtain observation skill 3.To Obtain Thinking Skill 4. To develop the scientific attitude 5. To get training in scientific method. 6. To create interest in science 7. To know how physical science is used for technological development 8. Training for better living 9. To make our leisure time usefully 10. To prepare students for the future