SNC General Science Grade 5
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Luminous and Non Luminous Objects
Transparent, Opaque and Translucent Objects
Light Travels in a Straight Line
Light Travels in a Straight Line
Formation of Shadows
Reflaction of Light
Sound
Propagation of Sound
Speed of Sound in Different Materials
Intensity of Sound
Intensity of Sound
Noise
Pleasant and Unpleasant Sounds
Harmful Effects of Noise on Human Health