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Science
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three Observations decomposition of copper carbonate
a) colour change (green to black)
b) size of solid decreases
c) ???...
Is there a scientific explanation why water dowsers appear to work (for most people anyway)?
Why do books of stramps now have 2 perforated holes in them? When the stamp is removed this sometimes tears out of the stamp.
how can you make a home made laxative?
I'm sure its not just me that finds it hard to comprehend what what before the big bang. I asked my newly qualified chemistry teacher who has a phd in chemistry 'if in all chemical reactions nothing...
If you have a bucket which is filled to the top with snow,( not frozen water), when the snow melts how full will the bucket be.? Does it depend on what sort of snow it is ? Asked by my grandson aged...
If I were to have a spread bet with someone on the outcome of Wednesday Bonus ball multiplied by Saturday Bonus Ball, what should I quote them? The minimum outcome is 1 x 1 = 1 and the maximum outcome...
Deneb is one of three stars in what is known as the ‘Summer Triangle’. The other two stars in the Summer Triangle are Altair and Vega. (i) Using the planisphere, determine the rising and...
Now that essential oils are easily available both in variety and quantitiy, one suggestion is to use them in sick rooms/hospitals to keep viruses or mold spores level down. Is this claim valid? Does...
Is there a readily available material that could be used to block mobile phone signals? I know, lead! I mean some sort of practical shielding that could be put up in cinemas etc to stop phones going...
If I am looking at myself in a mirror from a distance of say 2 ft, are my eyes focussing at the mirror's surface (2ft), or on my face (4ft)? TIA.
Does anyone know of any websites where you can learn statistics quick?? E.g. the T-test and all that kind of research stuff to do woth psychology?? Exam on sat and im freaking ouuut :-0
This is an answer from a question in Food and Drink ' Please, please do not use any form of plastic whether cling film or plastic tubs for re-heating food or drinks. When plastic is heated it gives...
This question is being posed on behalf of my 15 year old son, he is doing a project on the universe and how it was created,he has looked at the Big Bang theory but is stuck on any other ideas, can...
i've just read the book Flood by stephen baxter, where water seeps into the oceans froma subterranean ocean, eventually flooding earth, how likely is this to happen, as i believe that one such ocean...
Eg take 2 snooker balls when we can see they are "touching", what is actually touching at a microscopic level? I mean we know that atoms are a nucleus surrounded by huge empty space with...
Has anyone noticed that the global warming people have suddenly gone all quiet in the past three weeks. Now as a rule it is hard to go a single day or even an hour without hearing the words 'climate...
I'll park this question here.
If a tree falls to the ground does it make a sound if there is no one about to hear it ?...
I have just taken a bottle of soda water out of the fridge. While it was cold it was still liquid. When I opened the bottle, it suddenly started turning to ice. I'm sure it is a simple explanation....
in what year of the 1940s did American scientists announce the discovery of plutonium fission?