Can you suggest me one creative idea for science exhibition with all it's methods??? It's urgent.guyss be so fast....
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do a working system of lungs
take a bottle cut the end of the bottle tie a ballon at the end of the bottle and inside the bottle take a straw fix it in the cap of the bottle in the straw fix another 2 straw and at the end tie a ballon in straw and close the cap of the bottle.remember the ballon at the bottom should be bigger than inside it .
after wards if u pull the ballon at the end the inside 2 ballon will expand thus from this experiment we can learn that as diaphragam expand lungs will take oxygen as it contract it gives co2
take a bottle cut the end of the bottle tie a ballon at the end of the bottle and inside the bottle take a straw fix it in the cap of the bottle in the straw fix another 2 straw and at the end tie a ballon in straw and close the cap of the bottle.remember the ballon at the bottom should be bigger than inside it .
after wards if u pull the ballon at the end the inside 2 ballon will expand thus from this experiment we can learn that as diaphragam expand lungs will take oxygen as it contract it gives co2
swaru:
plzzzzzzzzz mark it as the best
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