Ict videos, ppt, images

1. Convex and concave mirrors
2. Surface tension
3. Amoeba
4. Source of sound
5. Urinary systems
6. Teeth
7. Concave mirror
8. Sound
9. Acid rain
10. Ray diagram ppt
11. Journey of food ppt
12. Effects of acid rain
13. Reflection of light in spherical mirrors ppt
14. Uses of salt
15. Characteristics of sound
16. Surface tension ppt
17. Questionsppt
18. Factorsppt
19. Acid base saltppt
20. Carbohydrateppt
21. Digestive system ppt
    
22. Sources of sound ppt
    
23. Acid rain ppt