tontonan
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Electromagnetic Spectrum Explained - Radio, Microwave, Infrared, Visible Light, UV, X-ray, Gamma Ray
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Properties of Sound Waves Lesson Loudness Pitch and Quality
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Transparent, Opaque & Translucent Objects Examples
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Period, Frequency, Amplitude, & Wavelength - Waves
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GCSE Physics - How Transformers Work (2026/27 exams)
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Forces: Push and Pull Motions for Kids
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States of Matter : Solid Liquid Gas
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What is Sound? | The Dr. Binocs Show | Learn Videos For Kids
