Science & Mathematics Questions and Answers

Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46]
  • why do some girls get hormonal changes in there boby delaying there period?
  • why do some Old English Sheedogs have both blue and brown eyes - described s 'wall eyes'? Is this common?
  • why do some people have different coloured eyes?
  • Why do some people have,one blue eye and one brown eye.?
  • Why do some pollen grains have complex shapes?
  • Why do some solvents dissolve a solute wheras others dont?
  • Why do some things burn and some things melt?
  • Why do some things such as a snailshell (or human skin!) burn but not catch fire while others sustain fire?
  • why do squid swim backwards?
  • why do stars flicker in the night sky.?
  • Why do stars 'twinkle'?
  • Why do Sugar Puffs make your wee smell after you've eaten them?
  • Why do tears come out when we cry? Why don't animals cry?
  • why do tears taste salty?
  • Why do the Americans write the date the wrong way round?
  • why do the cats can sleep instantly ?
  • why do the clock go forward and backwards at certain time of the year?
  • Why do the clocks go back at 2am tonight?
  • Why do the Clocks go back in Winter and forward in Summer?
  • Why do the nails and hair grow for a few more days even after the death of a person?
  • Why do the stars (astronomy) appear to be in PAIRS.?
  • why do the stars twinkle?
  • Why do the sun's rays spread out from behind clouds when the light from the sun is in parallel lines?
  • why do the tropics not continue to get warmer and warmer every year?
  • Why do they call it an asteroid ..?
  • Why do they call it an asteroid when it's outside the hemisphere?
  • Why do they call it an asteroid when it's outside the hemisphere?
  • why do they not use air to fire rockets into space. It would give the ozone a rest.?
  • why do they put phosphric acid in coke and pepsi?
  • Why do they sterilize needles for lethal injections?
  • Why do they use sterilised needles for death by lethal injection?
  • why do things break down in 3s?
  • why do things break down in 3s?
  • why do things break down in 3s?
  • Why do thunderstorms feel safer when you are with people?
  • Why do tracks laid for high-speed trains have larger radii on their bends?
  • Why do traditional two stroke engines not have an Auto-Advance/Retard mechanism like a four stroke engine?
  • Why do veins look green?
  • why do vixen scream so much during mating?
  • why do walkman earphones suffer interference from mobile phones?
  • why do we add dil.sulfuric acid in many titrations?
  • why do we blink so often?
  • Why do we bother trying to improve the health and life expectancy of the nation?
  • why do we breathe out more carbon dioxide than we brethe in?
  • why do we change the clock?
  • Why do we cry. I mean physically cry. what makes us produce tears?
  • Why do we eat organic food , what are your perceptions of organic versus conventional food?
  • Why do we feel nervous? Why does the body react this way (butterflies in the stomach, etc)?
  • Why do we get bags under our eyes when we are tired?
  • why do we get static electricity in our body?
  • why do we get the feeling of butterflies in our stomachs when nervous or excited?
  • Why do we have 4 seasons?
  • why do we have a spine?
  • why do we have an appendix?
  • Why do we have diffrent colour eyes?
  • why do we have seasons?
  • why do we have to change the clocks back and then forward again, why cant we keep the same time?
  • why do we have to have this cold weather ?
  • Why do we have to keep putting our clocks forward and backwards?
  • Why do we have two eyes and ears?
  • Why do we have unique finger prints?
  • Why do we need to relieve ourselves more in the cold weather?
  • Why do we need to turn back the clocks?
  • Why do we only use a small percentage of our brain?
  • why do we produce tears when we are sad?
  • Why do we resist sleep even when we are sleepy?
  • Why do we sleep?
  • Why do we sneeze?
  • why do we still turn the clocks back?
  • Why do we sway our arms when we walk and why do some people only do it with one arm and some with both?
  • why do we use bovine serum albumin for plotting standard curve while doing protein estimation?
  • why do we use greenhouse gases?
  • Why do we want to be better than the next person?
  • Why do we waste so much time and money on trying to find life on other planets ..?
  • Why do we wee a lot in the cold weather especially at night?
  • Why do we weigh less in the morning?
  • why do we weigh more after a bath?
  • Why do we yawn when we see other people yawn?
  • Why do we yawn, and what is it's purpose?
  • why do we yawn?
  • Why do we?
  • Why do Whales and Dolphins do this? (See details)?
  • why do wind turbine blades spin so fast?
  • Why do windfarm turbines engage a brake when the wind is not strong?
  • why do women fan their eyes when they cry is it to waft the tears back in?
  • Why do womens arms bend slightly the wrong way at the elbow?
  • Why do wood ants have hairy eyeballs?
  • Why do YOU do nothing to reduce your impact on the environment?
  • why do you find lots of sunflowers growing together?
  • Why do you get goosebumps when it's cold?
  • why do you get little annoying flies if you leave a banana to go brown and forget all about it?
  • why do you have to acidify potassium dichromate when you want to make a carboxylic acid from a primary alcohol
  • why do you have to do research in gastroenterology?
  • Why do you never see baby pidgins?
  • why do you never see baby squirrels? these are the only wild animal babies not normally seen?
  • Why do you not get electrocuted if not touching ground?
  • why do you often find trees growing together in clumps?
  • Why do you work by Day?
  • why do you yawn when you see someone else yawn?
  • Why do your eyes go red when your tired?
  • Why do your joints sometimes click when you bend them?
  • Why do zebras have stripes?
  • why do..?
  • Why does 100 - 10% then add 10% not = 100? Where does the missing 1 go?
  • why does a balloon go bang when it bursts?
  • Why does a baloon bang when it pops ?
  • Why does a bee hum?
  • why does a circle turn into a straight line if u keep increasing its radius?
  • why does a daddy long legs have 6 legs but can not walk?
  • Why does a dead rat produce a single swarm of flies followed by a 2-week stench but no second swarm of flies?
  • Why does a duck quack not have an echo?
  • Why does a feather and a hamer land on the moon the same time?
  • Why does a moulding bread in a sealed plastic bag become warm to touch?
  • Why does a pen not work in space?
  • why does a picture appear 2 stare @ u in whatever angle u look @ it?
  • Why does a rainbow form such a perfect arch?
  • Why does a stars diameter increase when burning Helium?
  • Why does a teabag diffuse quicker in boiling water with sugar or sweetener and slower in just boiling water?
  • Why does a volcano erupt?
  • Why does a wide back axel in a model car help it to travel in a straight line?
  • why does alum react with red dye?
  • why does ambulance siren sound high pitched on approaching but suddenly changes when it drives past?
  • why does an amoeba live in water? scientifically speaking?
  • Why does an enzyme vs temperature graph tail off at the end?
  • why does an ice cube float? I already know that it is less dense than water but I am more interested in partic
  • why does aurora happen?
  • Why does bleach take the colour out of clothes?
  • Why does bread go hard when stale but biscuits go soft?
  • Why does caffeine increase heart rate?
  • why does calcium chloride have a high melting point?
  • Why does cold liquid water turn to ice slush when I pout it into a glass?
  • Why does diet coke lose it's fizz when you put your finger in it?
  • why does different countries have different languages?
  • Why does dust appear black on white stuff and white on black stuff ?
  • why does earth only have one moon?
  • Why does eating cheese right before bedtime make you dream vividly?
  • Why does eating seal meat ward off scurvy? Is it high in vit C? Would eating husky meat have the same effect?
  • Why does electricity have to be earthed?
  • Why does Ether go up in temperature after about 5-6 minutes @ room temperature?
  • Why does graphite not dissolve in water?
  • why does gravity pull in differnt directions?
  • why does hair only grow in some places?
  • why does Happisburgh have a problem with erosion?
  • Why does hot water freeze quicker than cold water?
  • why does hot water taste sweat?
  • why does hydrogen have to be collected in an upturned test tube?
  • why does insoluble ferric polyphosphate become soluble when reated with sodium citrate?
  • Why does it always rain for Bank Holiday weekend?
  • why does it always rain more at the weekend?
  • why does it always rain on me?
  • Why does it always rain on me? Is it because I lied when I saw 17?
  • Why does it keep hurting when we get burnt in hot water?
  • Why does it not hurt when i violently nip and pull the loose skin on my elbow?Go on try it.?
  • Why does it rain so much in Britain?
  • why does it rain?
  • Why does Jupiter have a magnetic field if it is a gas giant?
  • Why does laughing gas make you laugh more?
  • Why does lemonade stay fizzy longer if it is kept in the fridge?
  • why does lucy allways have to do the washing up even though she cooked?
  • why does magnetic field is produced when current pass through a conductor ?
  • Why does minus x minus = plus?
  • Why does muscular dystrophy progress slower in females than males?
  • why does my hi-fi turn on by itself?
  • Why does my milk turn yellow when it's frozen?
  • Why does my right armpit smell?
  • Why does Na2CO3 and HCL react differently when titrated into one another?
  • why does NaCl aid the growth of e-coli?
  • Why does near boiling water have a totally different taste to cooler water?
  • Why does near boiling water have a totally different taste to cooler water?
  • Why does near boiling water have a totally different taste to cooler water?
  • Why does near boiling water have a totally different taste to cooler water?
  • Why does one never see dead badgers by the side of the roads being consumed by carrion eaters.?
  • why does only your top jaw not move?
  • why does paper blunt scissors so easily? (not talking about the game either.?
  • why does people kill dolphins?
  • why does photosynthesis occur in plants?
  • Why does plain chocolate make me sneeze. Mints too.?
  • Why does rain fall at varying speeds?
  • why does rainbow look like a bow?
  • why does regular pepsi sinks and diet pepsi flots?
  • why does salt kill slugs and snails ?
  • why does salt sting our eyes yet tears don't despite being salty?
  • Why does science demand testing on animals?
  • Why does seeing someone yawn make you want to yawn yourself?
  • Why does snow not collect into blocks of ice?
  • why does society need the formulae of the equation x=55.5?
  • Why does someone believe you when you say there are four billion?
  • why does space go on forever?
  • why does sucrose not react with Benedicts solution until it has been treated with acid?
  • Why does sunshine discolour pictures and other things?
  • Why does the area inside of a rainbow appear brighter than the outside?
  • why does the clocks go back in winter and clocks go foreward in Summer time?
  • why does the command and service module stay in orbit?
  • Why does the cube of natural numbers equal to the square of the same numbers when they are added.?
  • Why does the Earth Orbit the Sun?
  • Why does the earth spin on it's axis without ever stopping or losing speed?
  • Why does the first wee of the day always smell of Sugar Puffs?
  • why does the fourth orbit have 18 electrons?
  • Why does the Isle of Wight get 4 tides a day?
  • Why does the laxative lactulose take about 48 hours to work?

    • The answers post by the user, for information only, UKQnA.com does not guarantee the right.