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【中英精校版】Aumsum Time 1300+集海量科普知识点（物理+化学+生物+地理）

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2024-07-10 17:51:18

油管【中英精校版】Aumsum Time 1300+集海量科普知识点（物理+化学+生物+地理）

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001. Buoyancy - Can you drown in the dead sea

01:54

002. How does a plastic comb attract paperplus 10 more videos...

25:32

003. Why does the sky appear blueplus 10 more videos..

48:57

004. Why does a turmeric stain turn red

01:35

005. Why is the upper surface of a leaf more green and shiny

01:42

006. Why do we see lightning before thunder

01:12

007. Why do we use a black umbrella in summer

01:05

008. Respiration - Why is it not good to sleep under a tree at night

01:53

009. Why are cloudy nights warmer than clear nights

01:13

010. Why is curd not stored in copper containers

01:15

011. Why is a laboratory thermometer not used to check body temperature

01:14

012. Turgor Pressure - Why does a Touch Me Not plant close

01:20

013. Specific Heat of Water - Why is water used in hot water bags

01:38

014. Why is water used in hot water bags+ more AumSum Videos

12:10

015. Oxidation - Why do papers turn yellow

01:30

016. Oxidation - Why do copper vessels turn green

01:42

017. Why is soap ineffective in hard water

01:26

018. Archimedes Principle - Why do we weigh less in water

01:37

019. Newton's 3rd Law - Why does a swimmer push the water backward

01:41

020. Why is a convex mirror used as a rear view mirror

01:37

021. Why do woolen clothes keep us warm

01:24

022. Why do stars seem higher than they actually are

01:50

023. Gravitational Force - Why do you weigh less on the moon

01:47

024. Why is it difficult to cut with a blunt knife

01:49

025. Why do papers turn yellowplus 9 more videos..

16:19

026. Density - Why do firemen crawl in smoke filled rooms

01:32

027. Sublimation - Why do mothballs disappear over time

01:31

028. Why is ultrasound used in sonar

02:03

029. Refraction of Light - Why does a pencil look bent in water

02:01

030. Why do water lilies have stomata on the upper side of their leaves

02:01

031. Frequency - Why do women have shriller voices than men

01:27

032. Diffusion - Why can we smell hot food from a distance

02:09

033. Density - Why does an iron nail float on mercury and sink in water

01:59

034. Earthing - Why do buildings have lightning rods

00:55

035. Why is oxalic acid used to remove rust stains

02:00

036. Why do firemen crawl in smoke filled roomsplus 9 more videos..

17:39

037. Why does sound travel faster in summer than in winter

01:56

038. Why does a match light when you strike it

01:45

039. How does a plastic comb attract paperplus 9 more videos.

20:11

040. Why do wet clothes feel cold

01:15

041. Why should we not overwater potted plants

00:55

042. Transpiration - Why do cacti have spines

01:03

043. Nervous System - Why don't we feel pain when we cut our hair

00:51

044. Wavelength - Why red is used as a danger signal

00:55

045. Why are two thin blankets warmer than one thick blanket

00:57

046. Why do we get hiccups

01:09

047. Why does steam cause more severe burns than boiling water

01:00

048. Why red is used as a danger signalplus 9 more videos..

11:43

049. Why do comets have tails

01:00

050. Lateral Inversion - Why is ambulance written in reverse

00:57

051. Osmosis - How do fish drink water

01:08

052. Gravity - Why are planets spherical

01:01

053. Convex Lens - Can a magnifying glass burn paper

00:51

054. Why do we weigh less in waterplus 9 more videos..

17:24

055. Atmospheric Refraction - Why do stars twinkle

01:06

056. Surface Tension - Why are drops spherical

01:03

057. Water Purification - Why is alum added to water

01:01

058. Resonance - How does sound break glass

01:03

059. Why is a diver able to cut through water in a swimming pool

01:03

060. Why do comets have tailsplus 9 more videos..

10:10

061. Friction - Why is it difficult to pull a boat on the beach than on the sea

01:51

062. Why are auroras formed

01:01

063. Pathogens - Why do we get fever

01:01

064. Why do we get pimples

01:07

065. Why do dogs pant

01:10

066. Why do women have shriller voices than menplus 9 more videos..

13:57

067. How do ears help with balancingplus 9 more videos..

16:27

068. Taste Buds - Why mint tastes cold

01:03

069. Lunar Eclipse - Why does the moon turn red

01:02

070. How to treat a bee stingplus 9 more videos..

15:58

071. Why do we snore

01:06

072. Why do we get freckles

01:10

073. Myopia - What causes nearsightedness

01:01

074. Why are auroras formedplus 9 more videos..

11:32

075. Red Eye Effect - Why do my eyes glow red in photos

01:00

076. Why does popcorn pop

01:04

077. Why does spicy food make your nose run

01:09

078. Why is it easier to burn dry leaves but not green leaves

00:59

079. Why do we sweat

01:10

080. Forced Vibrations - Why does a guitar have a hollow box

01:03

081. How does a bone heal

01:07

082. Human Tears - Why do onions make you cry

01:12

083. Is distilled water safe to drink

01:10

084. Caffeine - How does coffee keep you awake

01:00

085. Why do my eyes glow red in photosplus 9 more videos..

10:51

086. Why are planets sphericalplus 9 more videos..

10:59

087. Why do we get hiccupsplus 9 more videos..

10:56

088. How do straws work

00:59

089. Archimedes Principle - Why do ships float

01:01

090. Why do we blush

01:07

091. Why do we get white hair

01:03

092. What causes kidney stones

01:03

093. Why does your tongue stick to a frozen pole

00:54

094. What causes earthquakes

01:01

095. Why does rain smell

01:01

096. What causes cavities

01:07

097. Why do paper cuts hurt so much

01:00

098. How do straws workplus 9 more videos..

10:11

099. What causes Pneumonia

01:23

100. Why do we get dandruff

00:58

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