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

Biotechnology in agriculture, Biotechnology in agriculture: Production ...

Biotechnology in agriculture: Production of enough food to meet the demands of an ever-increasing population in the world is a major task and a challenge to agricultural scient

Earth science, why does sedimentary rock form fossils

why does sedimentary rock form fossils

How does the study of personality shed light, How does the study of persona...

How does the study of personality shed light onto behavior change for you? Answer: In general, personality means as the sums of the characteristics or traits of the person; to ot

Describe about the term - inorganic phosphorus, Describe about the term - ...

Describe about the term - inorganic  phosphorus The large quantity of carbon dioxide evolved during organic matter decomposition is thought to be important to the release of ce

Explain residual volume and functional residual capacity, Explain Residual ...

Explain Residual Volume and Functional Residual Capacity Residual Volume (RV): It is the volume of air that remains in the lungs after maximal expiration. The average volume

The industrial revolution (1760-1830), We will first give a brief descript...

We will first give a brief description of  the qocial and economic changes of  this period so  that developments in science can be seen in the proper perspective. Already, by  the

Explain the counter current mechanism, Explain the Counter Current Mechanis...

Explain the Counter Current Mechanism? What is counter current mechanism? Counter current mechanism is the mechanism by which the kidneys produce osmotically concentrated urine

Explain the hormones from the islets of langerhans, Explain the Hormones fr...

Explain the Hormones from the Islets of Langerhans The cells which make up the Islets of Langerhans are found in clusters, distributed throughout the substance of the pancreas.

Zoology, what is the nature of work when you are a zoologist

what is the nature of work when you are a zoologist

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