B1 Intermediate UK 183 Folder Collection
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♪ MUSIC ♪
>> FIRST WE'VE GOT THIS IS ACTUALLY A HAIRCARE PRODUCT.
IT'S 20 VOLUME, IT'S HYDROGEN PEROXIDE, LITTLE STRONGER THEN
WHAT YOU MIGHT FIND IN THE DRUGSTORE.
WE ARE GOING TO PORE THIS INTO -- I'M GOING TO PUT MY GOGGLES
ON HERE, BECAUSE IF IT GETS INTO YOUR EYES
IT'S NOT REAL GOOD.
>> WE'RE IN TROUBLE.
>> YEAH.
>> THERE YOU GO.
>> OKAY.
>> USE SAFETY FIRST.
>> I'M READY.
>> SO I'M GOING TO PROBABLY PUT ABOUT THREE QUARTERS OF
A CUP IN THERE.
ALL RIGHT.
SO THIS IS FOR THE GROWN-UPS TO DO.
ALL RIGHT.
THEN, AN INTERESTING INGREDIENT.
WE TAKE THE GOGGLES OFF.
YEAST.
DRY YEAST.
BELIEVE IT OR NOT.
THIS IS GOING TO BE OUR CATALYST.
HYDROGEN PEROXIDE IS H202.
SO IT'S LIKE WATER BUT WITH AN EXTRA OXYGEN.
WE ARE GOING TO TRY TO GET THAT OXYGEN TO COME OUT.
SO, ONE TABLESPOON OF YEAST INTO THIS LITTLE CUP HERE.
THERE YOU GO.
>> THERE IS THE YEAST.
THERE YOU GO.
>> AND THEN TWO TABLESPOONS -- THREE TABLESPOONS OF WATER
INTO THAT.
THERE WE GO.
TAKE NOTES AT HOME IT'S ON THE WEBSITE.
>> ALL RIGHT.
>> THERE YOU GO.
STIR THAT UP.
>> OKAY.
>> ALL RIGHT.
NOW, WHILE YOU ARE DOING THAT, I'M GOING TO ADD A LITTLE BIT
OF DISH SOAP IN HERE.
ALL RIGHT.
BECAUSE WE GOT TO HAVE THE DISH SOAP.
AND LET'S SEE, LET'S GO FOR RED FOAM.
>> COLOR.
>> LITTLE COLOR.
THERE WE GO.
SO, HYDROGEN PEROXIDE, DISH SOAP, AND THEN SOME YEAST.
NOW IT'S GETTING A LITTLE -- >> IS THAT HOW WE WANT IT?
>> WELL IT'S KIND OF CHUNKING UP ON YOU THERE?
>> YEAH.
>> THAT IS ALL RIGHT, SO WE ARE GOING TO TAKE, OUT
THE EXTRA HERE.
>> OKAY.
>> WE ONLY NEED THE STUFF THAT IS ALL WATERY.
THERE WE GO.
>> OKAY.
ALL RIGHT.
NOW WE GOT THE WARTY PART.
ALRIGHT.
SO ON THE COUNT OF THREE WE ARE GOING TO TRY
TO GET EVEN MORE FOAM.
COUNT OF THREE YOU ARE GOING TO PORE THAT IN THERE.
>> I'M GOING TO PORE THAT IN THERE.
>> SO YEAST.
YEAH, WE USE OUR LITTLE FUNNEL THERE.
AND HYDROGEN PEROXIDE AND A LITTLE DISH SOAP, GO FOR IT.
LET'S SEE IF WE CAN GET A LITTLE MORE FOAM THIS TIME.
>> OOH!
>> THERE WE GO.
>> OH MY GOSH!
>> NOW THAT IS PRETTY GOOD.
LOOK AT THAT.
>> I LOVE THIS.
>> THAT IS GOOD TELEVISION RIGHT THERE.
>> LOOK AT THAT.
QUITE A BIT MORE FOAM ON THIS ONE.
>> QUITE A BIT.
>> AND THIS IS ACTUALLY -- THESE LITTLE TINY BUBBLES
ARE FILLED WITH OXYGEN.
INTERESTINGLY ENOUGH.
THAT IS GREAT, BUT I GOT TO TELL YOU, FOR ME, IT'S
NOT ENOUGH FOAM.
ALL RIGHT.
SO THAT IS GOING TO GET US TO OUR LAST EXPERIMENT.
>> OKAY.
>> NOW YOU NEED TO PUT ON YOUR GOGGLES FOR THIS.
>> GET THE GOGGLES.
ALL RIGHT.
NOW WE'VE TAKEN HYDROGEN PEROXIDE, BUT WE HAVEN'T DONE
THE 3 PERCENT THAT YOU GET FROM THE DRUGSTORE, WE HAVEN'T
DONE THE 6 PERCENT THAT WE GET AT THE HAIR SALON.
WE ARE DOING 30 PERCENT HYDROGEN PEROXIDE.
WE'VE GOT THAT IN HERE WITH OUR DISH SOAP AND OUR COLOR.
ALL RIGHT.
NOW I'M NOT CRAZY, SO I'M GOING TO STEP BACK FROM HERE,
WHILE YOU DO THIS.
>> WHILE I DO IT.
THANKS.
>> SO WE ARE GOING TO COUNT TO THREE, YOU ARE GOING TO POUR
THAT IT THERE AND THEN YOU ARE GOING TO STEP BACK.
>> OKAY.
>> ALL RIGHT.
YOU READY?
>> I'M READY.
>> ALL RIGHT.
KEEP YOUR EYE ON THE GIGANTIC FLASK.
HERE WE GO, READY?
ONE, TWO, THREE, FOUR, STEP BACK.
OH, LOOK AT THAT.
>> OH MY GOD!
[LAUGHTER].
>> NOW THAT IS SCIENCE.
>> I LOVE THAT!
WOW, LOOK AT THAT.
[LAUGHTER].
YOU SEE IT STEAMY?
>> YEAH.
>> YEAH, THAT'S THE -- IT'S AN EXOTHERMIC REACTION
SO IT CREATES HEAT TOO.
>> OH MY GOD!
>> THIS ONE YOU CAN'T DO AT HOME.
THESE TWO YOU CAN AND WE'LL HAVE THE INSTRUCTIONS
ON THE WEBSITE FOR THAT.
♪ MUSIC ♪
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Science Bob's Crazy Foam Experiment

183 Folder Collection
wendyhui published on March 8, 2017
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