Defining Gravity: Crash Course Kids #4.1

Defining Gravity: Crash Course Kids #4.1


(Intro Music) If I told you that you just won the lottery, what would you do? If you’re like me, you’d jump up and down and scream. And after you are done freaking out and jumping in the air, you’d *landing sound* land on your feet, right? But WHY would you land back on the ground instead of just floating off into space? *music* It’s because of a little something we call gravity. Gravity is what pulls everything toward the ground. Including you! Without the force of gravity, there would be no life on Earth. Air, water, animals? Everything would fly off into space. There’d be no you, no me, no french fries; nada. Think of gravity like the invisible superglue that holds our massive world together. You can’t SEE it, but it’s always there. An English scientist, named Isaac Newton, was the first person to seriously study
gravity (over 300 years ago). There’s a famous story about him that
you might have heard. Supposedly, Sir Issac was hanging out underneath an apple tree thinking, -PROBABLY partly napping- when an apple fell from the tree
and conked him on the head. That’s when Sir Issac had an “aha moment”. Why did the apple fall down to the ground, and not up, or sideways? He realized that a special kind of force, which we now know as gravity, was acting on all of the objects on earth; pulling them toward it. Once the apple became too heavy for its stem to hold it anymore, the gravitational pull of Earth brought
the apple down on to Newton’s noggin. Newton also realized it doesn’t matter
how heavy an object is either. Whether you’re holding an apple, or a
bowling ball, or a feather… if you let go of it, that sucker’s going
down. We’re gonna make a whole video about this later. Basically he determined
that what goes up must come down. Sir Isaac was a pretty smart dude. Okay, so you know that if you jump up, you’ll eventually land back on the ground and you know that an apple drop-down will land on the ground too, (Music Playing) To see how gravity will act, pick up the
tennis ball or any small, round object and hold it in your hand. Let’s toss it in the air and watch it
fall to the ground. No surprise here, okay now pick it up and
hold it over your head. Let go and watch it fall once more. Again, not a shocker. Now throw it to your left. Ball down. Pitch it to the right and watch it go down again. No matter where you throw the
ball, it’s going down. So, we’ve determined that near the
surface of the earth (where we all are), gravity is the cause that produces the
effect of all unsupported objects falling down. The ball will go up or to
the left or to the right for a little bit, but eventually it’s going to be
pulled back down to the ground, no matter what. Gravity’s got a hold on… well, everything. [theme music]

100 comments

  • Babylorreta Tui

    Good video๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š

    Reply
  • Yรธuth

    Crash course kids the science gal: (๐œ๐ซ๐š๐ฌ๐ก ๐œ๐จ๐ฎ๐ซ๐ฌ๐ž ๐ค๐ข๐๐ฌ, ๐œ๐ซ๐š๐ฌ๐ก ๐œ๐จ๐ฎ๐ซ๐ฌ๐ž ๐ค๐ข๐๐ฌ, ๐œ๐ซ๐š๐ฌ๐ก ๐œ๐จ๐ฎ๐ซ๐ฌ๐ž ๐ค๐ข๐๐ฌ, ๐œ๐ซ๐š๐ฌ๐ก ๐œ๐จ๐ฎ๐ซ๐ฌ๐ž ๐ค๐ข๐๐ฌ)

    Reply
  • Aidan Cosgriff

    Amazing video

    Reply
  • TRAINS TURTLES

    aha

    Reply
  • Chevaughn Aird

    total bs. If something is heavier than air it sinks/falls, if not, it rises, floats. Just the same as in water. Oxygen is water, just less dense.

    Reply
  • Gianna Marie

    This helped me a lot

    Reply
  • Eman ayman

    I go to school and the teacher put this and all the class goes YAAAAAAAAAAAAAAAAAA because we love the channel ๐Ÿ˜›

    Reply
  • J Clark

    The Blue Pilled leading the Blue Pilled…

    Reply
  • Sanjeeva Shetty

    Parachute will be in air no?

    Reply
  • Stash Cash

    Hi guys, I'm 19 years

    Reply
  • Leonard Gonzalez

    This video wasnt that hot but I liked and subscribed

    Reply
  • Dayondre Maignansmith

    this is just torcher to kids ME

    Reply
  • Ariarn Donders

    now i know more about it thank you:)

    Reply
  • Wayne Kiefer

    wat is this

    Reply
  • Matz YT

    LITTTTTTTT

    Reply
  • Dxnsy

    GRAV
    I
    T
    Y

    Reply
  • shingle pringle

    i was forced to watch this dumb video in class and hated it so damn much

    Reply
  • sunlight electro rays

    Explanation of all downward falling motion !

    If GAS BONDING is a fact , gravity is not !

    All downward falling motion including Newton's apple begins when rising gas molecules becomes trapped gas molecules , known as gas bonding , which takes on a state of solid mass , blocking out it's electrons motion , it's fire power , thus becomes energy lock lifeless gas molecules , and falls downward in real time , fallowing it's electrons unlimited potential velocity at the speed of light , connecting with the earth energy conservation system , establishing a downward falling path for trapped lifeless gas molecules / solid objects only .

    Equating the above fact with the physical universe same as Einstein e = mc2 equates with the physical universe .

    E = Energy = MM = Molecule Motion = Molecules in motion within star flames earth gases birds and balloons plains and rockets , even us humans rise from molecules in motion creating an energy flow , the ruling force of the universe .

    M = Mass = GB = Gas Bonding = Gas Bonding takes on a state of solid mass .

    C2 = Light Speed = E = Electrons = Electrons unlimited potential velocity at the speed of light connects with the earth energy conservation system establishing a downward falling path for trapped lifeless gas molecules / solid objects only .

    Note ! All gas rise upward into the atmosphere from molecules in motion fired up by its electrons creating an energy flow .

    Reply
  • LittlesackboyYT

    1:10 an apple FELL NEXT TO HIM NOT ON HIS HEAD

    Reply
  • Roberto

    How old is this? There is no such thing as gravity

    Reply
  • MARSHYPLAYZ

    that sucker is going down XD!

    Reply
  • Michael Haldane

    This helps me alot

    Reply
  • Michael Haldane

    Thanks for helping us out with this SABRINA

    Reply
  • Veerla Purna

    Sizdd

    Reply
  • You

    Ok kids ask your science teachers or professors to recreate earth in a weightless environment with water & objects sticking to it while it spins @ 10s of thousands of mph while also moving in one direction @ 10s of thousands of mph. You ever ride a gravitron @ a fair?

    Reply
  • Jithin Joji

    how do we move if we are been pulled by the gravity, please answer me by a video

    Reply
  • Asrat Mengesha

    Fake definition to make/create mathematical formula for the non existent gravity. Every thing falls down if it is not supported by some thing or if it is not controlled.
    Planes don't fall because they are controlled. Birds don't fall because they control themselves. a tiny sand falls down because it does not control itself…. Gravity does not exist.

    Reply
  • Adelgita A

    My english teacher using your video to expleain gravity,and i like your video very much๐Ÿ˜Š๐Ÿ˜Š

    Reply
  • Sareh K

    What about Einstein's theory??

    Reply
  • Charlie WAUGH

    good for kids to learn about Gravity

    Reply
  • Skillet set Gaming

    are you lol are good

    Reply
  • maha mohammed

    You are amazing please I need you to provide a video on the human digestive system and human respiratory system
    please help me

    Reply
  • Bobby Smith

    question…. why didn't Newton notice other things falling? Not to upset anyone but even as a kid this story always bothered me. A scientist who knows alot…..even physics…. doesn't notice things that fall? Think…. this is the key to this story.

    Reply
  • Bobby Smith

    PS no one here defined gravity…. only described it. perhaps…what is love.

    Reply
  • K K

    as a 2nd grade studebt i love your videos and i want you to make more

    Reply
  • Joshua Charleton

    gravity is cool !!!!!!!!!!!!!!!!!!!!!!!

    Reply
  • Phoebe Richardson

    I love the fact there was a Lumpy Space Princess. Lol

    Reply
  • HM Designer

    nice

    Reply
  • Edinburgh Wellbeing Centre

    Might be worth taking a look at timecompressiontheory.com it's being looked at as the first true Unified Field Theory

    Reply
  • Sadguna Raju

    But when the aeroplane that is in the air do not come down by it self ,it comes down when the pilot forces it down right?

    Reply
  • Yuri Gagarin

    This is the exact reason I hate crash course

    Reply
  • AKARSH GAMER

    Bedt

    Reply
  • Prudence Martinez

    Thank you

    Reply
  • Monika Makulova

    Brilliant explaintions

    Reply
  • Martin Rodriguez

    what about a slinky

    Reply
  • TheCaljong

    BUT IT BOUNCES

    Reply
  • Aishlyn Hendrickson

    I am a student at thorne middle school and i also like your videos.

    Reply
  • Nightcore rock

    how come helyom gose up?

    Reply
  • Thomas Greco

    thx best vid ever

    Reply
  • Thomas Greco

    hi my name is better then yours ha ha ha

    Reply
  • Thomas Greco

    how you doing

    Reply
  • Thomas Greco

    good

    Reply
  • Thomas Greco

    you are so bad at this you need to get better at this

    Reply
  • Joseph Minervini

    YOUR MEAN : ( ๐Ÿ™ ๐Ÿ™ ๐Ÿ™ ๐Ÿ™

    Reply
  • Jade YT

    Love your vids ๐Ÿ™‚๐Ÿ™‚. Also this teaches me alot

    Reply
  • Dila Sharma

    Why are all planet and other object pulled into sun?

    Reply
  • Isabella Velazquez

    Then why doesnโ€™t it pull Down the planets ๐Ÿค”๐Ÿ˜œ

    Reply
  • Yougot Ligmabtw

    1:50 my dad went up and never came back

    Reply
  • Mirza Hoque

    Dvxwhjgxjjfhkkggcfhjjjjvvcghjggh๐Ÿ˜ช๐Ÿ˜‘๐Ÿ˜‘๐Ÿ˜ง๐Ÿ˜ช๐Ÿ˜ฎ๐Ÿ˜๐Ÿคฎ๐Ÿ˜ฎ๐Ÿคญ๐Ÿคข๐Ÿค—๐Ÿ™„๐Ÿ™„๐Ÿ™„๐Ÿ˜ฒ๐Ÿ˜ท๐Ÿค๐Ÿ˜ฒ๐Ÿคค๐Ÿคค๐Ÿคค๐Ÿคข๐Ÿค•๐Ÿค•๐Ÿค•๐Ÿ˜ฐ๐Ÿ˜จ๐Ÿ˜ฑ๐Ÿ˜ฅ๐Ÿ˜ฐ๐Ÿ˜“๐Ÿ˜ฅ

    Reply
  • itz_GEORGINA

    im a kid

    Reply
  • saad ahmed

    suck

    Reply
  • saad ahmed

    noting teach me i got a 36

    Reply
  • youtuber that sucks at making content

    Am I the only one who saw Lumpy Space Princess

    Reply
  • Jamison Boysel

    du thers gravity

    Reply
  • ANCIO KeItH dsouza

    Hmmm I see but might I ask how and why does gravity work?

    Reply
  • Juan Ramirez Escobedo

    never had more than 50 likes ๐Ÿ™

    Reply
  • Frank DiMeglio

    Frank DiMeglio defeats Newton and Einstein and truly balances and unifies physics/physical experience:

    ELECTROMAGNETISM/ENERGY IS GRAVITY. This is proven by F=ma AND E=mc2. Energy has/involves GRAVITY, AND ENERGY has/involves inertia/INERTIAL RESISTANCE.

    GRAVITATIONAL force/ENERGY IS proportional to (or BALANCED with/as) inertia/INERTIAL RESISTANCE, AS ELECTROMAGNETISM/ENERGY IS GRAVITY. "Mass"/ENERGY IS GRAVITY. ELECTROMAGNETISM/ENERGY IS GRAVITY. ALL of SPACE is NECESSARILY ELECTROMAGNETIC/GRAVITATIONAL (IN BALANCE), AS ELECTROMAGNETISM/ENERGY IS GRAVITY. "Mass"/ENERGY involves BALANCED inertia/INERTIAL RESISTANCE consistent WITH/AS what is BALANCED ELECTROMAGNETIC/GRAVITATIONAL FORCE/ENERGY, AS ELECTROMAGNETISM/ENERGY IS GRAVITY. ACCORDINGLY, gravity/acceleration involves BALANCED inertia/INERTIAL RESISTANCE; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. Gravity IS ELECTROMAGNETISM/ENERGY. ELECTROMAGNETISM/ENERGY IS GRAVITY.

    Gravity/acceleration involves BALANCED inertia/INERTIAL RESISTANCE, AS ELECTROMAGNETISM/ENERGY IS GRAVITY. ACCORDINGLY, a given PLANET (INCLUDING WHAT IS THE EARTH) sweeps out equal areas in equal times; AND this is THEN consistent WITH/AS F=ma, E=mc2, AND what is perpetual motion; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. GREAT.

    By Frank DiMeglio

    Reply
  • pilar martรญnez

    ๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ’‹๐Ÿ˜

    Reply
  • Yatts Rodriguez

    0:47 no french fries

    Reply
  • Nailea vlogs

    Ya so much

    Reply
  • 10,000 subscribers with some videos

    I am subbing to whoever subbs to me

    Reply
  • Amany Abu Al Ezz

    I did

    Reply
  • ninjacat101 Samurai himself

    WHY

    Reply
  • Jesus Saves

    Gravity is just a word

    Reply
  • TheStudyLab

    It helped me

    Reply
  • crazy dogs on the farm

    I WATCH UR VIDS ALL THE TIME AT MY SCOOLE. Lol

    Reply
  • Marjukka

    Deception.

    Reply
  • Marjukka

    And this is how the brainwashing starts…

    Reply
  • Linda Redondo

    Who pass me the summary?

    Reply
  • Benjamin Li

    Rฮผฮฝ-1/2Rgฮผฮฝ=(8ฯ€G/c^4)Tฮผฮฝ-ฮ›gฮผฮฝ

    Reply
  • Esso Blue

    What percentage of the universe may be gravity. Assuming 95% of universe is gravity could the known 5% of matter be the force creating the 95% gravity. Does the 5% draw in the gravity from the 95% and condense it. Braking systems.

    Reply
  • Ezekiel Yoe

    cool

    Reply
  • Phoenix Beaudry

    j;k

    Reply
  • Shaun M

    Then explain helium balloons?

    Reply
  • Alan Ureno

    Bruh!!

    Reply
  • SAMUEL MORENO MARTINEZ

    the video is nice but you did not define very well gravity.

    Reply
  • Blazer The Boss

    So what about the cloud??

    It's up so does that mean it will fall down??

    Reply
  • makana nakihei

    This is is nonsense

    Reply
  • makana nakihei

    So itโ€™s basically a force we canโ€™t see

    Reply
  • Radioactive pig

    My science teacher sent me here like if u to

    Reply
  • scorpion gamer

    But how can birds fly

    Reply
  • Gaz Lee

    The only thing gravity does is pull the wool over everyone's eyes.

    Reply
  • Gaz Lee

    There is no force pulling anything, gravity is a word and that is all it is. The idea of the globe came about and they dreamed up the magical force to explain to people why we do not fall of the ball. Its complete crap there is no such thing as gravity and no evidence anywhere that we live on a ball kids. welcome to reality, what is earth?? the answer is…. we do not know, maybe some do but they ain't telling us.

    Reply
  • Gaz Lee

    Water does not bend around a ball, end of story.

    Reply
  • Frank DiMeglio

    Junk science.

    Reply
  • Kari Morani

    You are a Rip off of
    of define gravity the song

    Reply
  • Beyond Belief

    Stop brainwashing children with concepts and abstractions. Showing them plastic toys and repeating the gibberish you, yourself have assumed and believed to be beyond reproach is emotional abuse of a child's impressionable mind.

    Offer them a practical example of a body of water naturally conforming to the exterior of shapes. Oh wait…….insert honesty here…….

    Offer them a practical example of a gas pressure being created and maintained without physical containment, you know, some actual tangible proof using the very substances you profess to know and understand, instead of browbeating and intimidating innocent children into sumbitting to your cult beliefs.

    Reply
  • kevin yang

    I thought gravity is so much more complicated >:/ AND IT IS GOD DAMMIT, U CANT CHANGE MY MIND! REEEEEEEEEEEEEEEE >:000

    Reply
  • Khoi Do

    THE BEST!

    Reply
  • Big C boogieman

    perfect!! thank you so very much.

    Reply

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