TEN LITTLE FINGERS - Arvind Gupta

Picture BingoDraw about 20 pictures like this on the board. Talk about the pictures as you draw them.1 Tell the children to choose any six of the pictures they like and copy them on a paper.2. Give each child six seeds .3. Tell them to cover a picture if you call its name. For example if you call out ‘ snake’ then thechild who has drawn a snake should cover it with a seed. Keep a record of the words you havecalled.4. The first child to cover all six pictures should shout ‘ Bingo !’5 Check out if you have called all the six. If the child has covered a picture you have not called,that child is out. If you have called all six pictures, that child has won.Measuring growthPlant a seed in some dampearth in a transparent glassso that you can see it grow.Each day, measure howmuch the root and shoot havegrown and break a thin stickto the same length. Then fixthe stick upright with a bit ofclay on the ground beside theglass.Next day do thesame thing, puttinganother stick besidethe first. After aweek or two, thelength of your stickswill show you a setof measurements ofhow the plant isgrowing.Measuring rainBlock and TackleIn the rainy season, put a deep container outsideto hold the rain. Bring the container inside everyday,stand it on a level surface and measure howdeep is the water in it.Do this by putting a thin stick in, down to thebottom. Then take it out to see what length of thestick is wet. Break the wet part of the stick andstand it upright on the ground with a bit of clay.Do this everyday so that the length of the sticksgive you an idea of the rainfall each day for aweek or more.Let two strong adults hold two bamboo sticks. Then tiea rope and weave it around the sticks as shown. Youpull on the free end of the rope. You will be able to pullthe two sticks together even though they are kept apart.You have formed a combination of pulleys. In thisexperiment, you increase your force each time you wraparound the broomstick. A small force moving a longdistance results in a greater force moving a shorterdistance.