Diffusion



Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all organisms. In addition, this video discusses factors that can affect the rate of diffusion.

Time-stamped Table of Contents:
00:00 Intro
0:57 Relating intro event to diffusion
1:45 Diffusion explained
2:57 Molecules still move at equilibrium!
3:33 Diffusion is passive transport
3:45 Facilitated diffusion
4:22 Some factors that can affect rate of diffusion
6:35 Why care about diffusion?

Factual Reference:
OpenStax Biology 2nd Edition, Biology 2e. OpenStax CNX. Aug 19, 2019

****Further Reading Suggestions****
-Learn more about the fish disease “Ich?”
-We mention that you can read more about how raising the temperature can increase the rate of diffusion. Here’s an expanded explanation from Biology Stax.
-Learn more about diffusion’s role in the lungs:

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky’s certification and experience in teaching biology at the high school level. Learn more about our videos here:

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Our intro music designed and performed by Jeremiah Cheshire.

End music is this video is listed free to use/no attribution required from the YouTube audio library

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All Comments

  • We often put a time-stamped table of contents in the video description (check out our video description), but we thought we'd pin it here too for convenience 🙂
    0:57 Relating intro event to diffusion
    1:45 Diffusion explained
    2:57 Molecules still move at equilibrium!
    3:33 Diffusion is passive transport
    3:45 Facilitated diffusion
    4:22 Some factors that can affect rate of diffusion
    6:35 Why care about diffusion?

    Amoeba Sisters June 24, 2020 12:29 am Reply
  • I love it

    Amani Uzma June 24, 2020 12:29 am Reply
  • Don’t come to the comments, pay attention
    Let’s all agree we gotta study to pass

    Toasted_tositos June 24, 2020 12:29 am Reply
  • Your videos are always packed with fun and "wow" moments!

    Varun Bhat June 24, 2020 12:29 am Reply
  • you are better than our teacher

    Eman Tahir June 24, 2020 12:29 am Reply
  • u only get views cause online school

    DuttyCurry June 24, 2020 12:29 am Reply
  • Video:*begins talking about cells*
    my inner weeb: well now I wanna watch cells at work.

    MaxieKid June 24, 2020 12:29 am Reply
  • yw in advance. the 5 factors that affect diffusion rate are;
    *Distance
    *Temperature
    *Characteristics of Solvent
    *Characteristics of substance traveling
    *Characteristics of the barrier

    I mean June 24, 2020 12:29 am Reply
  • you guys definitely created that kind of eagerness to learn science <3

    Lyndsey Nguyen June 24, 2020 12:29 am Reply
  • U can replace school Teachers 👩‍🏫

    BXON June 24, 2020 12:29 am Reply
  • Thanks!

    Amit June 24, 2020 12:29 am Reply
  • you sisters are my literal science teachers rn since its lockdown my teacher makes us watch u guys

    Kurruptd Games June 24, 2020 12:29 am Reply
  • She teaches Better than mrs Dean

    NASTY_C IVYSON TOUR 2020 June 24, 2020 12:29 am Reply
  • whose watching this in quarantine??

    Jupツ Charlie5636 June 24, 2020 12:29 am Reply
  • You teacher much better Ameaba Sister

    Smart Learning 47 June 24, 2020 12:29 am Reply
  • wow

    Syed Musjahid Raza June 24, 2020 12:29 am Reply
  • The disease even effected my fish too , anyway this video helped me a lot for my exam thanks 😊

    Tamanna Nusrat June 24, 2020 12:29 am Reply
  • love your vids pls upload more

    DAVIN CURRY June 24, 2020 12:29 am Reply
  • The length of that intro tho…

    Freddie Daniels June 24, 2020 12:29 am Reply
  • It is so useful to me thank u!😍

    Xin Tian Chia June 24, 2020 12:29 am Reply
  • 4:54 , so its just like a tea bag in hot water, i understand now!

    xX_Sunset_Studios_Xx June 24, 2020 12:29 am Reply
  • My teaching is making me watch this 😂

    Ashton Whelan June 24, 2020 12:29 am Reply
  • Great Video this was so helpful to me please keep the videos coming .

    Rosalyn Jordan -Hill June 24, 2020 12:29 am Reply
  • Whose here from Essex county???😂😂😂

    Chris Emenaka June 24, 2020 12:29 am Reply

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