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Articles in the Let’s Experiment! Category

April 2018, Let's Experiment! »

[3 Apr 2018 | Comments Off on It’s elementary, dear chemist! | ]

Yasmin Jayathirtha
How can the periodic table be used as a link between the world of atoms and the world of reactions? The author suggests that by studying the development of the periodic table, students see that scientists have made the attempt to group elements according to their properties. The author has listed some activities that will help students get familiar with the structure of the periodic table.

February 2018, Let's Experiment! »

[1 Feb 2018 | Comments Off on Visible reactions | ]

Yasmin Jayathirtha
Chemistry is all about reactions. The reactions are first seen at the test tube level and then students try and make sense of what is happening at the larger level— where the reactions are actually happening—in the atoms, ions and molecules. Teachers need to really pass on this skill to students, to help them see a reaction, write down the observation and then visualise it at the level of the particles

Let's Experiment!, October 2017 »

[3 Oct 2017 | Comments Off on Making it visible | ]

Yasmin Jayathirtha
While talking about the atomic structure, most teachers find it difficult to explain to students about how an atom looks. Questions like what led to the idea of atoms, what could be the size of the atoms do come up because students are being taught about things that they cannot see. This article illustrates a few concepts that can be understood.

April 2017, Let's Experiment! »

[3 Apr 2017 | Comments Off on The art of separation | ]

Yasmin Jayathirtha

We know that a lot of things around us are present in the form of mixtures. Mixtures of two liquids, a liquid and a solid, two solids, etc. What lessons can we learn by separating a mixture? What are the different ways we can separate different mixtures?

Let's Experiment!, March 2017 »

[2 Mar 2017 | Comments Off on Chemistry through activities | ]

Yasmin Jayathirtha The first lesson in the chemistry class is to define what chemistry is! Students when asked what chemistry is, say; ‘reactions’ ‘acids’,’stuff in the lab’ and for some the ultimate bad word ‘chemicals’. We need to point out that we are all made up of ‘chemicals’ and the subject is the study of […]

January 2017, Let's Experiment! »

[4 Jan 2017 | Comments Off on From seeing to thinking | ]

Yasmin Jayathirtha During the years I was writing ‘Let’s Experiment’ I was experimenting in my own classrooms, trying to find the best way to integrate experiments into the teaching of the subject. It is very clear to me that no meaningful learning of chemistry can happen without work in the laboratory. But the question is; […]

January 2017, Let's Experiment! »

[4 Jan 2017 | Comments Off on Different strokes with starch | ]

Jyotsna Vijapurkar, Aakanksha Sawant, Swapnaja Patil The starch test is an easy-to-do test, commonly included in school textbooks (generally from grades 6 through 9). All one has to do is add a few drops of iodine to test if something contains starch; if it does, it turns blue. This test is usually done on potatoes […]

August 2016, Let's Experiment! »

[1 Aug 2016 | Comments Off on Seeding discovery | ]

Yasmin Jayathirtha

The process of discovery is always exciting. Encourage your students to ask more questions and experiment more to find the answers. The author encourages you to carry out your own experiments as she explains how she experimented to find out how fats are digested.

July 2016, Let's Experiment! »

[4 Jul 2016 | Comments Off on Digesting facts in the lab | ]

Yasmin Jayathirtha
A school laboratory may be the last place to set up experiments to understand digestion. But, it can well be done using natural extracts. Read on to find out more.

April 2016, Let's Experiment! »

[4 Apr 2016 | Comments Off on Digestion in a test tube! | ]

Yasmin Jayathirtha
Food tests are commonly done in a biology classroom. However, some experiments cannot be done because of the complexity of chemicals and the processes . This article highlights an experiment that can be done in a test tube to understand how digestion takes place.