Jon Bergmann: Just how small is an atom?
Jon Bergmann co-wrote the book on the "flipped classroom" -- using video to help students master new ideas outside the traditional class setting. Full bio
Double-click the English transcript below to play the video.
że wszystko składa się
of little tiny things called atoms
is made up of even smaller particles
mniejsze cząstki:
that atoms are small.
zastanawialiście się, jak bardzo.
about how small atoms really are.
są bardzo, bardzo, bardzo małe.
that they are really, really small.
let's ask this question:
is made up of only nitrogen atoms,
wyłącznie z atomów azotu,
w grejpefrucie znajdziemy.
are nitrogen atoms in a grapefruit.
let's blow up each of the atoms
would the grapefruit have to be?
-- well, actually, the Earth.
że jeśli wypełnię Ziemię jagodami,
the Earth with blueberries,
of nitrogen atoms as a grapefruit?
It gets even more crazy.
-- and thus the blueberry, right? --
is something called the nucleus,
jak duże byłoby jądro?
in the Earth,
of the atom from science class,
with an arrow pointing to the nucleus.
w odpowiedniej skali,
they're not drawn to scale,
and were searching for the nucleus ...
the blueberry --
as a two-story house.
wielkości dwupiętrowego domu.
in the center of the atom.
It would just barely be visible.
wielkości jest jądro,
around how big the nucleus is,
up to the size of a football stadium.
stadionu piłkarskiego.
of a football stadium,
wielkości stadionu piłkarskiego,
in the center of the atom,
tego stadionu-atomu
and you could see it!
of a small marble.
blown your mind by now.
Zawiera on protony, neutrony i elektrony.
neutrons and electrons.
live inside of the nucleus,
all of the mass of the atom.
the size of a football stadium,
and the electrons on the edge,
i elektronami na zewnątrz,
and the electrons?
there are vast regions of empty space.
duże obszary pustej przestrzeni.
są pola elektromagnetyczne,
some electromagnetic fields,
matter, it is empty.
is inside the blueberry,
znajdującej się wewnątrz Ziemi
w atomie w grejpfrucie.
in the grapefruit.
if I can even get more bizarre.
mieści się w jądrze,
of an atom is in the nucleus --
ale większość w jądrze.
of mass in the electrons,
kilograms per meter cubed.
kilograma na metr sześcienny.
OK, I'll put it in English units.
funta na stopę sześcienną.
per cubic feet.
o wymiarach 30,48 x 30,48 x 30,48 cm.
by one foot by one foot.
all of the nuclei from a typical car.
z samochodu,
trzeba umieścić w pudełku,
have to put into the box
the same density of the nucleus?
of people in the Earth.
owned their own car --
otrzymalibyśmy gęstość jądra.
cars into your box ...
the density of a nucleus.
umieśćcie je w pudełku,
every car in the world
są jak jagody we wnętrzu Ziemi.
like blueberries in the Earth.
i powiększmy ją do rozmiaru stadionu,
of a football stadium,
jądro wielkości szklanej kuleczki.
is a marble in the middle.
pustej przestrzeni.
of vast regions of empty space.
włożyli do pudełka o bokach 30,48 cm.
in your one-foot box.
ABOUT THE SPEAKER
Jon Bergmann - EducatorJon Bergmann co-wrote the book on the "flipped classroom" -- using video to help students master new ideas outside the traditional class setting.
Why you should listen
Jon Bergmann is considered one of the pioneers in the Flipped Class Movement -- in fact, he co-wrote the book on the Flipped Classroom, available from ISTE Press in June 2012. Bergmann believes educators should ask one guiding question: What is best for my students in my classroom? To the best of his abilities he has done this in his two-plus decades as a high school science teacher. He received the Presidential Award for Excellence for Math and Science Teaching in 2002 and was named Semi-Finalist for Colorado Teacher of the Year in 2010. He blogs at flipped-learning.com.
He is the Lead Technology Facilitator for the Joseph Sears School in Kenilworth, Illinois.
Read about the making of "How Small Is an Atom?" >>
Jon Bergmann | Speaker | TED.com