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

Natural resources, Natural resources: Resources, or the wealth nature h...

Natural resources: Resources, or the wealth nature has bestowed on us are essential for civilised living, and therefore, they have to be wisely used. However, it is believed th

Explain the conditions for ventricular fibrillation, Explain the Conditions...

Explain the Conditions for Ventricular Fibrillation Ventricular fibrillation may be seen in the following two conditions: 1) When a person is electrocuted, and 2)  As a c

Determine the rainfall factor in soil formation, Determine the rainfall fac...

Determine the rainfall factor in soil formation The movement of water is determined by the nature and amount of rainfall. Where the rainfall is excessive or intense, the consti

Explain the basic principles of food processing, Normal 0 false...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Explain cytoplasmic vacuoles, Explain Cytoplasmic Vacuoles Figure illu...

Explain Cytoplasmic Vacuoles Figure illustrates the structure of vacuoles. These are the voids in the cytoplasm which store small molecules such as water, ions, sucrose and am

Define the measurement of extracellular fluid volume, Define the Measuremen...

Define the Measurement of Extracellular Fluid Volume  This method involves the use of dilution principle. A substance that can readily diffuse through the entire extracellular

Protozoans, Special/Unique organelles and how they assist sarcodine

Special/Unique organelles and how they assist sarcodine

Explain the gynaecological morbidity, Explain the Gynaecological morbidity ...

Explain the Gynaecological morbidity Gynaecological morbidity, which covers any condition, disease or dysfunction of the reproductive system that is not related to pregnancy, a

Scientific Method, Are these people a worker in a farm? Which is the Indepe...

Are these people a worker in a farm? Which is the Independent and Dependent variable and Control group.

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