chemistry experiments for children

Chemical Name Formula CommonName Where Available Nitric acid, dilute HNOs chemical supply house Octane CSH1S basicingredientof g ...

LABORATORY TECHNIQUES Thehandlingoflaboratoryapparatusis a skill you will want to develop. As with anyotheraccomplishment, you w ...

How to Cut Glass Tubing.With thesharpedgeofa triangularfile, scratch one line on the tubing, at the exactpointwhere you wish to ...

sired angle. If you want aparticularangle or special shape, draw it first on paper. When the glass is ready for bending, hold it ...

Using aspatula,shovelouta littleofthe dry material. Tapthe blade of the spatulawith your index finger as you did thestopper. To ...

Howto Pour aLiquidChemical.If you have removed thestopperproperly,the wet edge of the bottle will prevent the liquid from rushin ...

How to Use Filter Paper.Folda circle of filterpaperinhalfandthen into quarters.Open it sothatit becomescone-shaped.Roughlytear o ...

theycannotleap toconclusionson the basis of a singleexperiment.The only way to be sure that particularconditions produce a parti ...

tube from apointmore than2 inches away from thestopper.Otherwise, the weightofthestopperwill make the tube snap. If thetubingis ...

Keep glass apparatus spotlessly clean. Contamination often spoils the results of experiments. When you wet clean glass, it takes ...

CHEMICALS IN THE AIR Perhapsyou knowthatair is amixtureofmany gases andthatwe live at the bottomofa great ocean of it.You'veprob ...

Thepercentageofcarbondioxide varies for a very different reason. Can you guess why the air inindustrialcitiescontainsmorecarbond ...

The air outside,therefore,pressed down on the water in the basin more strongly thandid the air inside the glass. As a result, it ...

Calciumhydroxide solutionprovides the chemical test forcarbondioxide, which makes it turnmilky white. No othergas, whenbubbled i ...

In case of fire,turnthe milkbottleupside down over the flames. Results: When you turn the bottle upside down, the acetic acid an ...

THE CHEMISTRY OF WATER Wateris oneofthe simplestcompoundsand one of thecommonestonearth. Indeed, more of theearth's surface is c ...

Attachone end of a 4-inch piece ofcopperwire to theoutsideterminalof the same dry cell. Attachthe free endofthis 4-inch piece of ...

explosion. This provesthatthe gas washydrogen.Thereshouldalso be some moistureinside the test tube. This isadditionalproofthatth ...

near theMississippiRiver, forexample,you wouldcertainlynotwanttodrink its water in thespringtime.Thenit is fullofsmalldirtpartic ...

it to air, which improves its flavor and removesunpleasantodors. Thismethod ofpurifying water is used when largequantitiesofwate ...