ROCKETS
TO MAKE THE ROCKETS WE TOOK WHITE FILM CANISTERS
AND FILLED THEM 1/3 FULL OF WATER. THEN WE PUT 3/4 OF AN ALKA-SELTZER
TABLET IN THE FILM CANISTER. THEN WE CLOSED THE FILM CANISTER AND
PUT IT CAP DOWN ON THE GROUND OUTSIDE. AFTER THAT WE RAN FOR OUR
LIVES TO A SAFE DISTANCE AWAY (10-15 FEET). FINALLY THE ALKA-SELTZER
DISSOLVED AND THE GAS FROM THE TABLET POPPED THE FILM CANISTER INTO THE
AIR.
WE LEARNED THAT WHEN THE GAS PUSHES THE TOP
OF THE FILM CANISTER DOWN THE BOTTOM PART GOES UP, AN EXAMPLE OF ACTION
AND REACTION, WHICH IS ONE OF NEWTON'S LAWS.
WARNING! DANGEROUS! CAN EXPLODE!
WEAR EYE PROTECTION.
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