Science & Mathematics Questions and Answers

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  • how do pigeons jump?
  • how do plants get the substance it needs for photosynthesis?
  • how do plants grow under the sea without sun light and air?
  • How do protons, neutrons and electrons interact with photons and neutrinos?
  • how do rainboes happen?
  • how do rooting compounds work?
  • How do safe Energy?
  • How do satellites work?
  • How do scientists come up with theories?
  • How do scientists know how old the Earth is?
  • How do scientists know that a goldfish only has a 3 second memory?
  • How do seedless plants reproduce?
  • How do Shoots and Roots know which way to go?
  • How do skeleton keys work?
  • How do snails get bigger, when they start with tiny shells? Do they shed them? Where do they get a new one?
  • How do snails make their slime?
  • How do snakes reproduce?
  • How do Solar Towers work?
  • how do space probes going beyond the asteriod belt navigate though it without seriously damaging the equipment
  • how do spiders build webs?
  • How do spiders build webs?
  • How do spiders make webs between two walls when there's nothing connecting the walls together?
  • How do spiders not get stuck to their own webs?
  • How do starfish eat and poo?
  • How do steam traps work?
  • How do sticky things stick? e.g why does sellotape stick to things? Is it molecular or some other reason?
  • how do sugars differ from polysaccherides?
  • How do the cells of multicellular organisms stick together?
  • How do these places stop microrganisms getting into the body?
  • how do they (Scientists) know that a flies eyes see faster than a humans? And how did they find out?
  • how do they build the long narrow cranes that are used on building sites?
  • how do they choose the names from which to name hurricanes and tornadoes?
  • How do they get cranes down off really really tall buildings?
  • How do they get the deer to cross at that yellow road sign?
  • How do they get those little ships into bottles ?
  • How do they make hydrogen for London busses?
  • how do they make snooker balls?
  • How do they make soap?
  • How do they measure the calories in food?
  • how do they measure the height of a mountain?
  • How do they mine Uranium safely?
  • How do those dead bugs get into enclosed light fitments?
  • how do tornados start?
  • how do tv signals get to the tv?
  • How do two green eyed people have brown eyed children?
  • how do u accelerate a neutron, if it hasent got any charge?
  • how do u accelerate a proton .?
  • how do u calculate the mean deviation.is it the same as standard deviation?
  • how do u comvert kilometer into meter?
  • how do u convert Fahrenheit to degree?
  • How do u differentiate a multivariate chain rule?
  • how do u find the solution of the differential eqtn dy/dx + ycot x = sin2x, 0xpi for which y = 1 at x = pi/4
  • how do u name a compund?
  • how do u solve this x-1/2+x+2/3=x+1/6?
  • how do u stop excessive sweating?
  • How do Venusian phases prove heliocentrism?
  • How do vynil records and gramophones work?
  • how do we calculate for a century?
  • how do we get the element copper and what is it usually used for?
  • How do we know how long the sun will and has lasted?
  • How do we know MINERAL water is just water from a TAP?
  • How do we know our eyeballs really do pop out when sneezing with eyes open?
  • how do we know that the themometer is at zero centigrade?
  • How do we know the age of the Earth? What methods are used?
  • How do we know time is straight?
  • how do we show air is real?
  • how do we stop Real Estate developers selling off a precious part of our natural environment?
  • How do whales see forward?
  • How do with get the 4 seasons?
  • How do worms have babies?
  • How do you add/sub fraction that contain more them 2 in 1?
  • How do you become a space tourist?
  • How do you believe gravity force could be controlled?
  • how do you build a catapult?!?
  • How do you build a time machine?
  • how do you build bridges in the sea?
  • How do you calculate averages?
  • How do you calculate fitness?
  • How do you calculate Luminous efficacy?
  • how do you calculate percentage purity?
  • How do you calculate percentages from your averages?
  • How do you calculate statistical validity of data?
  • How do you calculate the diameter of the moon ?
  • how do you change mixed numbers into top heavy fractions?
  • how do you change mixed numbers into top heavy fractions?
  • How do you change the direction of a dc shunt motor?
  • How do you convert degree to fahrenheit?
  • How do you convert feet into Square feet.?
  • how do you convert feet to square feet?
  • How do you convert kg/s into litres/s?
  • how do you convert kmh to mph?
  • how do you convert mm into m?
  • How do you create Nitric acid?
  • how do you cut a cake in to 14 pieces with only 4 cuts of the knife ?
  • How do you deify gravity ?
  • how do you describe a 'cone shape', and what objects aroind the home are their in this shape?
  • How do you differentiate (In x)^2?
  • how do you differentiate (x^2-x^3/2)/2x^2?
  • how do you differentiate -4/x?
  • how do you differentiate 8/t^2?
  • how do you differentiate tan(sin^-1x)?
  • how do you divide fractions?
  • How do you do a pentomino jigsaw?
  • how do you do long division (without a calculator)?
  • how do you do long division?
  • how do you do long multiplication?
  • How do you explain binary to me if I'm a bit 'thick'?
  • How do you extract larce amounts of salt from a badger set?
  • How do you extract sodium from table salt (at home)?
  • How do you factorise 2x^4 + x^3 - 6x^2 - x - 2?
  • How do you feel colder when you go quicker ie: (running, topless car) but the temperature is the same? ;o)?
  • how do you find a surface area of a trianglur prism?
  • how do you find south using a watch?
  • How do you find the answer of a square route on the calculator?
  • How do you find the coordinates of the orthocentre in a triangle?
  • How do you find the density when the mass is 15 g and the volume is 37 cm3?
  • how do you find the equation of a line with the parametric equations of x=t-3, -3/5t+1?
  • how do you find the inverse function of the following equation?
  • how do you find the length and breadth of an area in feet the area is 4671.5 sq ft.?
  • How do you find the minimum point of a quadratic graph?
  • how do you find the square route on the calculator?
  • how do you find the theoretical values for these three values?
  • how do you get acrylic paint stains out of your clothes?
  • how do you get blood out ov a stone?
  • How do you get good at making guesses about what is going to happen in the near future..?
  • how do you get pure sand from a mixture of sand & sugar?
  • How do you get seedless grapes?
  • How do you get stung by a stingray in the heart ?
  • how do you grow seedless grapes if they have no seeds to grow from?
  • How do you hear yourself think?
  • How do you isolate individual clones from a DNA library transfected into mammalian cells?
  • How do you know how many chemicals are in non-organic?
  • How do you know that a copper ion is 2+?
  • How do you know where the chiral centres are on a glucose molecule?
  • how do you make a balloon arch?
  • How do you make a perfect paper aeroplane?
  • How do you make a vandergraph generater?
  • how do you make bubble wrap?
  • how do you make electricity using either a forest, hot springs, wind and waterfall?
  • How do you make red paint?
  • how do you measure the length of raindrops?
  • how do you mine quartz?
  • How do you motivate yourself to study a subject you don't find interesting?
  • how do you prepare an azo dye?
  • how do you produce haylage?
  • How do you push a cow over?
  • how do you put the top section on to the high cranes?
  • how do you raise a matrix to the power of n?
  • how do you read a engineering drawing?
  • How do you remember the difference between adapt and adopt?
  • How do you remember the difference between adapt and adopt?
  • How do you remember the difference between adapt and adopt?
  • How do you reverse the direction of a three phase motor?
  • how do you say oscillating front in french?
  • how do you show a displacement reaction in pictures?
  • How Do You Solve Simultaneous Equations By Algebraic Method?
  • How do you solve y(3y-4)= 7?
  • how do you square a rectangle?
  • how do you stop rusting?
  • how do you stop yourself from crying when cutting unions?
  • How do you take the caffeine out of coffee and tea?
  • How do you tell the difference between passed and past?
  • How do you tell the difference between patients and patience?
  • How do you tell the difference between rhyme and rhythm?
  • How do you think the worlds going to end?
  • How do you triangularise a square matrix?
  • how do you turn copper sheet green, ie oxidised.?
  • how do you turn rock salt into table salt?
  • how do you weigh your own head without cutting it off could you do it by water displacement?
  • how do you wire a double pole contactor is it phase feed to a1 neutale feed to a2 and load phase to 1 and n?
  • how do you work out 'express in prime factors 1056?'?
  • How do you work out a cubic metre volume if i have the length, width and height in metres?
  • how do you work out a persons blood volume?
  • How do you work out Resistance? the Equation?
  • how do you work out the Km for hexokinase from different ratios of velocity/ substrate concentrations?
  • how do you work out the outside diameter from a circumference?
  • How do you work out the radius or diameter of a circle?
  • How do you work out total species cover?
  • How does a 1W torch work?
  • how does a 5/2 air pilot valve work?
  • how does a bar magnets field interact with the earths magnetic field?
  • How does a barometer work?
  • How does a boomerang work?
  • how does a cave form?
  • How does a cloud know when to release rain?
  • How does a double rainbow occur?
  • how does a duvet keeps us warm?
  • how does a electromagnet work?
  • how does a gas exert pressure on a surface?
  • How does a gasometer work?
  • how does a general anaesthetic work?
  • how does a glow stick glow ?
  • How does a hen's egg develop?
  • how does a hydroelectric plant produce electric using water?
  • how does a magnet in hi fi speakers work?
  • How does a magnet lift another metalic object from its place of rest to the magnet?
  • how does a nuclear submarine work?
  • How does a pearl grow inside an oyster?
  • How does a Pow-Wow water cooler heat water instantly?
  • How does a residual current device work?

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