04 - Physics Videos 物理视频【127集 英文字幕】---复习网盘资源免费观看百度云网盘链接提取码分享

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• file:057. Forced Vibrations - Why does a guitar have a hollow box.mp4
• file:062. Friction - Why is it difficult to pull a boat on the beach than on the sea.mp4
• file:070. Why are two thin blankets warmer than one thick blanket.mp4
• file:079. Why is ultrasound used in sonar.mp4
• file:076. Diffusion - Why can we smell hot food from a distance.mp4
• file:051. Why is the ocean blue.mp4
• file:088. Specific Heat of Water - Why is water used in hot water bags.mp4
• file:058. Why is it easier to burn dry leaves but not green leaves.mp4
• file:056. How do straws work.mp4
• file:067. Gravity - Why are planets spherical.mp4
• file:084. Why do woolen clothes keep us warm.mp4
• file:078. Refraction of Light - Why does a pencil look bent in water.mp4
• file:083. Why do stars seem higher than they actually are.mp4
• file:068. Lateral Inversion - Why is ambulance written in reverse.mp4
• file:075. Density - Why does an iron nail float on mercury and sink in water.mp4
• file:053. Why do we have seasons.mp4
• file:073. Why does sound travel faster in summer than in winter.mp4
• file:072. Why does a match light when you strike it.mp4
• file:094. Concave Mirror - Why is your reflection upside down on a spoon.mp4
• file:055. Archimedes Principle - Why do ships float.mp4
• file:077. Frequency - Why do women have shriller voices than men.mp4
• file:060. Lunar Eclipse - Why does the moon turn red.mp4
• file:086. Newton's 3rd Law - Why does a swimmer push the water backward.mp4
• file:090. Why are cloudy nights warmer than clear nights.mp4
• file:080. Density - Why do firemen crawl in smoke filled rooms.mp4
• file:074. Earthing - Why do buildings have lightning rods.mp4
• file:085. Why is a convex mirror used as a rear view mirror.mp4
• file:098. Why can't we hear sound in space.mp4
• file:093. Buoyancy - Can you drown in the dead sea.mp4
• file:059. Why does popcorn pop.mp4
• file:065. Atmospheric Refraction - Why do stars twinkle.mp4
• file:061. Why are auroras formed.mp4
• file:091. Why do we use a black umbrella in summer.mp4
• file:089. Why is a laboratory thermometer not used to check body temperature.mp4
• file:054. What causes earthquakes.mp4
• file:100. Why don't we get crushed by atmospheric pressure.mp4
• file:096. Why is nuclear fusion not used to generate electricity.mp4
• file:097. How does a plastic comb attract paper.mp4
• file:081. Why is it difficult to cut with a blunt knife.mp4
• file:052. What is fracking.mp4
• file:066. Convex Lens - Can a magnifying glass burn paper.mp4
• file:063. Resonance - How does sound break glass.mp4
• file:071. Wavelength - Why red is used as a danger signal.mp4
• folder:04 - Physics Videos 物理视频【127集 英文字幕】---复习
• folder:051-100