1. POWERPOINT PRESENTATION

2. WELCOME

3. LEKSHMI MANMADHAN. G CANDIDATE CODE - 18214375009 OPTIONAL SUBJECT- PHYSICAL SCIENCE

4. METALS AND THEIR CHARACTERISTICS METALS & THEIR CHARACTERISTICS

5. METALS ARE HARD AND SHINY IN APPEARANCE

6. MALLEABILITY DUCTILITY HARDNESS METALLIC LUSTURE CONDUCTIVITY SONORITY

7. METALS CAN BE BEATEN INTO THIN SHEETS BY HAMMERING.THIS PROPERTY IS KNOWN AS MALLEABILITY.

8. METALS CAN BE DRAWN INTO THIN WIRES.THIS PROPERTY IS KNOWN AS DUCTILTY.

9. FRESHLY CUT SURFACES OF METALS HAVE A SHINY APPEARANCE.THIS PROPERTY IS KNOWN AS METALLIC LUSTURE.

10.  METALS ARE THERMAL CONDUCTORS.  SILVER IS THE BEST THERMAL CONDUCTOR.

11.  ALL METALS ARE CONDUCTORS OF ELECTRICITY.  SILVER IS BEST ELECTRICAL CONDUCTOR.

12. THE ABILITY OF METALS TO PRODUCE SOUND WHEN TAPPED WITH A HARD MATERIAL IS KNOWN AS SONORITY.

13.  HIGH THERMAL CONDUCTIVITY  HIGH DENSITY  HIGH MELTING POINT  HIGH ELECTRICAL CONDUCTIVITY

14. TO MAKE ELECTRIC WIRES TO MAKE ALUMINIUM FOILS TO WRAP FOOD MATERIALS TO MAKE UTENSILS TO MAKE FARMING TOOLS TO MAKE BELLS USED IN PLACES OF WORSHIP