TN TET · Environmental Studies (Paper I)
Tools, technology, traditional crafts and materials.
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Q1 · Things We Make and Do · EASY
A potter uses a spinning wheel to shape clay into pots. What is the main advantage of using a potter's wheel over shaping clay by hand only?
Q2 · Things We Make and Do · MEDIUM
In Tamil Nadu villages, many baskets are woven using palm leaves or bamboo strips. Which statement best explains why these materials are commonly used for basket-making?
Q3 · Things We Make and Do · EASY
A carpenter is making a wooden chair. He uses a saw to cut wood, a plane to smooth surfaces, and nails to join pieces together. Which of these tools works by separating wood fibers along a line?
Q4 · Things We Make and Do · MEDIUM
Traditional kolam designs in Tamil Nadu are drawn using rice flour or stone powder. Besides decoration, what is another traditional reason for using rice flour for kolam?
Q5 · Things We Make and Do · HARD
A blacksmith heats iron in a furnace until it glows red, then hammers it into a desired shape, and finally cools it in water. Why is the iron heated before hammering?