Cement and concrete, Science

Assignment Help:

Cement and concrete

Secure a small bag of Portland cement. Have the pupils mix it with water and put it in tin can covers, paper cups, or small pasteboard boxes unless it hardens. Study its appearance and its properties. Break a piece of cement and study it. Mix the dry cement with about twice as much sand or gravel. This will form concrete. After adding water and mixing thoroughly place it in moulds. Permit these to arden various days. Again study the appearance and the characteristics of these samples.

 


Related Discussions:- Cement and concrete

Diabetes mellitus, life style modification in management of diabetes?

life style modification in management of diabetes?

Origin and chemistry of life spontaneous generation, 1.     Describe the pr...

1.     Describe the properties of water that make if invaluable to life as we know it. 2.     Explain why the versatility of carbon is essential to life. 3.     Describe the

How to calculate the mass of atoms in amus , How to Calculate the Mass of A...

How to Calculate the Mass of Atoms in AMU's ? To calculate the masses of atoms we need only know the numbers of the various subatomic particles within the nucleus. For our purp

Discovery of microbes, Discovery of Microbes The discovery of microbe...

Discovery of Microbes The discovery of microbes and the fact that they cause infectious diseases is one of the greatadvances in science, which has helped  us in understanding

Paper manufacturing in golden era, Paper manufacture: Paper was not use...

Paper manufacture: Paper was not used in India until the eleventh century. This Chinese invention of the first .century A.D. reached India mainly through the Ghorian conquerors

Experiment of floating bodies, Floating bodies Fill the overflow can wi...

Floating bodies Fill the overflow can with water and let it run out unless the surface is level with the spout. Select a piece of wood that floats half or more submerged in the

Volanoes, what are the causes of volcanic eruption ?

what are the causes of volcanic eruption ?

Sea water, why sea water have high salinity compared with pond water

why sea water have high salinity compared with pond water

Emulsification, Emulsification : Water immiscible liquid wastes can be emu...

Emulsification : Water immiscible liquid wastes can be emulsified using soap or detergent solution and then run into the drainage. Examples: Benzene, toluene, cyclohexane, nitrobe

Atmospheric pressure with a rubber sucker, Measuring atmospheric pressure w...

Measuring atmospheric pressure with a rubber sucker The force needed to pull the sucker away from a smooth surface can be found by using a spring balance. The area on which the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd