Class 6-8

1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them? And why do we arrange them the way we do? Alessandra King gives a brief history of numerical systems.

Help your learners build on the basics of structural engineering, courtesy Arvind Gupta. You may show Leonardo's Bridge with this activity.

Rex D' Rozario was not a scientist. Nor was he a science graduate. When it comes to the most influential science journalists, his is a revered name. He was with Kishore Bharati, a Prof Anil Sadagopal's initiative.

Let us dream about the school first!
Let us first imagine the school as a space for children. Imagine yourself to be a child once again.

The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how close we seem to get. Reynaldo Lopes explains pi's vast applications to the study of music, financial models, and even the density of the universe.

Present this crossword on water cycle to assess how much your learners have comprehended the concept.

How high can you count on your fingers? It seems like a question with an obvious answer. After all, most of us have ten fingers -- or to be more precise, eight fingers and two thumbs. This gives us a total of ten digits on our two hands, which we use to count to ten. But is that really as high as we can go? James Tanton investigates. 

Critical thinking is the intellectually disciplined process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication, as a guide to belief and action.

When will you see what phase of moon? Would you be able to see first quarter in the early morning sky? Would you be able to see third crescent in the western sky?

Are you looking for a book that offers a fun, new perspective to science? In this review, join a mother and son as they share their experiences of one such book, called The Agenda of the Apprentice Scientist.

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