{"content":[{"text":"Take a medium stiffness straw and flatten one end by pressing it with your thumb \n and index finger. Then cut two slants to make a sharp pencil like point – a reed. \n When you put this end in your mouth and blow out sound will come out. Now, \n place the reed out and suck-in from the other end. You will be able to both hear the \n sound and see the reed “vibrate”.","bbox":{"left":0.117641,"top":0.091171,"width":0.761184,"height":0.11311600000000002}},{"text":"Now keep the reed in your mouth. Keep blowing and simultaneously keep cutting \n the other end and you will hear the whole range of musical notes – Sa, Re, Ga, \n Ma...","bbox":{"left":0.11764,"top":0.220714,"width":0.749142,"height":0.0663}},{"text":"STRAW SPRINKLER","bbox":{"left":0.388429,"top":0.303747,"width":0.22318399999999994,"height":0.019631999999999983}},{"text":"Poke a broomstick in the middle of a straw and make two half-cuts from the top at \n about 2-cm from the centre. Bend these legs in a triangle and wrap sticky tape like \n a belt to keep them together. Place it in a mug of water and spin. Water will \n sprinkle all over! This is actually a simple centrifuge. When you spin – water \n climbs up the slant straws and flies out.","bbox":{"left":0.11764,"top":0.663442,"width":0.753649,"height":0.113116}}],"images_bbox":[{"left":0.218234,"top":0.390004,"width":0.275294,"height":0.228485},{"left":0.512154,"top":0.365456,"width":0.224118,"height":0.265}],"images_bbox_not_text_overlap":[{"left":0.218234,"top":0.390004,"width":0.275294,"height":0.228485},{"left":0.512154,"top":0.365456,"width":0.224118,"height":0.265}]}