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

What is competitive inhibition, Competitive inhibition This  type of in...

Competitive inhibition This  type of inhibition takes place when  a  compound having  a strong structural resemblance to the substrate competes with  it for the catalytic  site

Boobs, why are boobs fluffy

why are boobs fluffy

Scientific activities, describe the factors which decide the broad area of ...

describe the factors which decide the broad area of scientific activity

A self-starting siphon, A self-starting siphon Secure a piece of glass ...

A self-starting siphon Secure a piece of glass or plastic tube about 2.5 cm in diameter and 8 to 10 cm in length. Fit single end with a one-hole stopper, carrying a short lengt

The important physico-chemical properties of thiamin, The important physico...

The important physico-chemical properties of thiamin are as follows: a) Thiamin hydrochloride is a white, needle-shaped crystalline substance. b)  It has a characteristic sm

Soil science.., how is the soil colloidal material look like when ion and c...

how is the soil colloidal material look like when ion and cation exchange capacity of the soil?

Explain the circumvallate papillae, Explain the Circumvallate papillae: ...

Explain the Circumvallate papillae: These are the largest of the papillae, about 8 to 12 in number. These are arranged in a V-shape.

Explain abnormalities due to changes in serum electrolytes, Explain Abnorma...

Explain Abnormalities due to Changes in Serum Electrolytes The intracellular and extracellular electrolyte concentration difference is responsible for the resting membrane pot

Mineral, What are some faqs about the mineral Bloodstone.

What are some faqs about the mineral Bloodstone.

Explain haemopoietic function, Explain Haemopoietic function Gastric ju...

Explain Haemopoietic function Gastric juice contains the intrinsic factor, which is essential for the absorption of vitamin B 12 . Vitamin B 12 present in food combines with i

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