O/L Science Sinhala | Grade 11 Science Unit 04 Part 1 | 11 වසර විද්‍යාව 04 පාඩම | තරංග 

The part 1 of the series of Grade 11 Unit 04 of Science Syllabus. Follow the lessons with easy to understand visual content. Sinhala medium science lessons for o/l exam in Sri Lanka.
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Learn O/L Science in Sinhala medium with this step by step video. Start it simple and easily. Lessons are planned , designed and carried out by the government school teacher, Anuradhika Lakmali. (Dip in Ed. BSc.)
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Attributions
Lake Evening Reflection - Free video on Pixabay: pixabay.com/vi...
Abstract Blue Wave - Free video on Pixabay: pixabay.com/vi...
Megaphone Shout Scream - Free image on Pixabay: pixabay.com/il...
Wireless Tower Base - Free vector graphic on Pixabay: pixabay.com/ve...
Blue Water Pattern - Free vector graphic on Pixabay: pixabay.com/ve...
Swans Ducks Water - Free video on Pixabay: pixabay.com/vi...
Tennis Ball Yellow - Free vector graphic on Pixabay: pixabay.com/ve...
Waves Circles Drop Of Water Wave - Free photo on Pixabay: pixabay.com/ph...
Rope String Blue - Free vector graphic on Pixabay: pixabay.com/ve...
Direction Finger Hand - Free vector graphic on Pixabay: pixabay.com/ve...
Ear Auricle Listen - Free image on Pixabay: pixabay.com/il...
200+ Free Hand Phone & Smartphone Illustrations - Pixabay: pixabay.com/il...
Smartphone App News - Free image on Pixabay: pixabay.com/il...
Waves Ocean Shore - Free video on Pixabay: pixabay.com/vi...
Sea Waves Ocean - Free video on Pixabay: pixabay.com/vi...
Water Drop Dropping Splashing - Free photo on Pixabay: pixabay.com/ph...
Sea Message In A Bottle - Free image on Pixabay: pixabay.com/il...
Canvas Color Coffee - Free photo on Pixabay: pixabay.com/ph...
Thinker Thinking Person - Free vector graphic on Pixabay: pixabay.com/ve...
Playing Guitar Music - Free video on Pixabay: pixabay.com/vi...
Earthquake Seismograph Seismic - Free photo on Pixabay: pixabay.com/ph...
Speech Icon Voice Talking - Free vector graphic on Pixabay: pixabay.com/il...
Light Shining Blue Frequency - Free image on Pixabay: pixabay.com/il...
Oscillations Graph Vibration - Free video on Pixabay: pixabay.com/vi...
Arm Healthy Rotator Cuff - Free photo on Pixabay: pixabay.com/ph...
Infrared Lamp Red Light - Free photo on Pixabay: pixabay.com/ph...
Attempt Optics Spectrum - Free photo on Pixabay: pixabay.com/ph...
Radio Telescope Waves - Free photo on Pixabay: pixabay.com/ph...
Slinky Spring Rainbow - Free photo on Pixabay: pixabay.com/ph...
Guitar Guitarist Playing The - Free photo on Pixabay: pixabay.com/ph...
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