Category: Education

CBSE-Will-Take-Class-12-Exams-In-July

CBSE Will Take Class 12 Exams In July

The Central Board of Secondary Education (CBSE) announced dates for pending board exams for Class 12 that were postponed to an indefinite period due to nationwide lockdown in March 25. The board said that those were the 29 main subjects crucial for admissions to further courses.

CBSE declared exam dates

The board will conduct exams in two parts – all India and northeast Delhi. The national capital witnessed rioting in the northeast part in February leading to closure of schools for an indefinite time. After the riots, the central government imposed a nationwide lockdown to break the chain of COVID-19. The board also released dates for Class 10 exams for students of North East Delhi online.

Rules for the exams

Each exam will be three hours long and the students are asked to bring their sanitizers in transparent bottles to maintain hygiene. Also, they must wear masks. Parents are also advised to take precautions while allowing their children to go for exams. Students should follow social distancing while commuting and in the examination halls.

Challenges in the board exams

Exam dates are announced but the schools look a little worried … Read the rest

elephant toothpaste

Elephant Toothpaste: Fun Experiment For Kids

Elephant Toothpaste is a foamy substance resulting in a chemical reaction between hydrogen peroxide and potassium iodide or yeast with warm water as a catalyst. But it resembles toothpaste being squeezed from a tube.

Popular science experiment

Also known as the “marshmallow experiment”, it is a popular experiment for kids to perform in schools and parties. Hydrogen peroxide decomposes after coming into contact with potassium iodide or yeast with warm water. While decomposing, it breaks down into hydrogen and water. The oxygen pushes the solution out of the container. 

Bubbles are formed when oxygen is trapped in the soap particles and the trapped oxygen forms a huge amount of foam that looks like a toothpaste being squeezed from a tube. Color is added to give it a dramatic effect. It is an exothermic reaction hence the foam produced is hot.

Precautions

The foam that oozes out from the bottle in which the chemicals are mixed is too hot to touch hence shouldn’t be touched until it cools down. Children can do this experiment but only under the supervision of their guardians. 

You can try it … Read the rest