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The Scientific Method: Crash Course Biology #2
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- เผยแพร่เมื่อ 12 ส.ค. 2024
- Science offers a way of discovering and understanding the world around us, driven by questions and tested with evidence. And it’s a twisty-turny team effort- you won’t find many lone geniuses out there, or straight lines from hypothesis to conclusion. In this episode of Crash Course Biology, we’ll talk about the big picture of how scientific progress is made, from peer review to mathematical models, with some exploding eggs along the way.
Chapters:
Introduction to Science 00:00
The Scientific Method 2:25
Science is a Team Effort 5:18
The Scientific Theory 7:59
Peer Review 9:50
Scientific Models 11:01
Review & Credits 12:57
Sources: docs.google.com/document/d/1G...
This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit BioInteractive.org/CrashCourse for more information.
***
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Correction:
In this video, we conflate a hypothesis with a prediction. In science, a hypothesis is a tentative explanation for an observed phenomenon. It aims to answer: Why does something happen? A prediction, on the other hand, is a reasoned guess about what might happen if we test that hypothesis in an experiment.
To revisit our egg example, a true scientific hypothesis might be: "Eggshells inhibit pressure from being released from eggs." We might test that hypothesis by microwaving eggs both with and without shells to see if pressure from the heat gets trapped, leading to explosion. If our hypothesis is correct, we predict that the shelled egg will explode and the shell-less egg will not.
These two terms are often blended in textbooks, classrooms, and even at times by working scientists. But they are actually two separate, though closely linked, parts of the scientific process!
If you only learned one thing about science, this would be it. This is why we should respect science.
It also teaches critical thinking skills which is, well, critical for all persons living in a complex society where everything depends on science.
initially i thought crash course biology is something only n only hank could pull off but dr. sammy here is doing an amazinggg jobbb crash course is such a blessing
This absolute master drops a Jeremy Bearimy reference. This person is clearly a cultured scientific genius. Really showing off the credentials with this one, Doctor.
I don’t I think it’s a little more wibbily-wobbly then Jeremy bearimy
Needs more explanation of the dot over the i
"And occasionally there is screaming......I'm looking at you grand school" 😂😂😂
I especially appreciated that
*grad
Yeah
Sometimes I feel like the concept people struggle the most is how the scientific consensus works and how essential it is for the modern scientific method
As an Argentinian, I highly approve of your exaggerated Frenchy pronounciation of "Leloir"
Not taking biology in school anymore but I'm still obsessed with this series already! Dr. Sammy is AMAZING and I can't wait for the rest of the series ❤
Occasionally, peer review and scientific discourse turns into a passive-aggressive Battle Royale 🤣 seriously though, I’m loving these videos so far!
I really like his enthusiasm on teaching. He express exitement here and it is very nice.
I'm putting together a list of Crash Course videos for my kids to watch next month.
In their elementary school, they don't quite learn everthing I got to when I was that young. Such as in 3rd grade, I learned about dna, rna, how to measure our weight and height, our blood pressure, heart rate, and we went to the StL Science Center for a field trip to do hands on learning. In 5th grade we learned about the scientific method. My kids elementary doesn't teach them til middle school. They learn more about animal science, such as habitats and their environmental needs to survive.
I wonder if elementary schools tweak their science lessons based on where they live in the US. Like do areas that are more rural with a lot of wildlife, could that be why they focus more on habitats?
I did my elementary learning in a city, not much wildlife compared to rural areas.
But I can, hopefully, just get some straight answers by asking our states education department.
I was curious why my oldest never got to partake in a district wide science fair in elementary school. They don't have them. 🤷♀️
5:03. That could be Italians. There's a grape focaccia called Schiaciata con l'Uva: a bread filled and covered with grapes. If you have it warm, you'll be eating warm grapes - and it is delicious!
love how y'all are so good at making even the episode 2 basics super engaging!! 🖤 thanks for all y'all do!!
... does cut grass smell like watermelon? I've never noticed that before.
Not to me it doesn't but then fresh cut grass makes my sinus hurt lol
Sitting on the floor after dropping one too many samples ::sighs:: Science is tough. The non linear scientific method constantly throws my students off. They especially seem to think that experiments always work...
Hellooooo Crash Course!! I am here to emphaticly proclaim, that a peeled hard boiled egg will indeed explode when put in the microwave. Gotta make sure you have that observation working at full capacity!
Great job Dr. Sammy. I really enjoyed this vid. Keep up the great work!👌👌
Science may be able to say if we can clone a mammoth, but can it tell me how delicious a mammoth burger would be?
Hey, guys this was fun to learn!:D
Thank you 😊 💓
Since Dr. Saamy is an entomoligist, it would be great if there is a crash course on entomology too. Arthropods are the most successful phylum in the world since they are the most present organisms in the world other than humans esp., beetles.
This is so good! I can't wait for more :) I recently got really into entomology and Dr. Sammy might be my new hero.
Love the Micro Cosmos microscope product placement! Such a well made tool.
and the cameo from Crash Course Computing too!
Okay the modeling halfway through was cute and hilarious. Look'n good, Doctor.
As always, fun to watch. Thank you Crash Course team!
Just wanted to say thank you for this video! I'm leading a small group of Cub Scouts on a STEM project and I really liked this video to explain the scientific method. The kids liked it too!
Jurassic Park was a good answer, but I'm not sure people universally understand that the answer was no.
Which watermelons does cut grass smell like? Like the ones you regretted buying? 😂
I'm getting a purple rain vibe from this
Outstanding Course Presenter! I love this new series.
Awesome. Really got me going at the end there with the mention of philosophy and different methods of "knowing".
Lovely information! Thank you 😊
Love Crash Course!
Thank you
❤
Love the history aspect.
Well done . Thank you .
I am from UZBEKISTAN🎉
I am preparing IELTS exam😊
I love that shirt!
He is the quirkiest presenter whom I have seen at CrashCourse....
AndI love it....
Mi pais mi pais 🇦🇷💕
I love this series hosted by Dr Sammy! I am moved by your passion. Looking forward to the next one❤
I was one time working as a referee for a roller derby game when a banana peel appeared on the track. None slipped on it and spun out though.
Thanks for a very good explanation of how science is donde socially. This also applies in part to other sciences like the social sciences.
you guys forgot the scientific method during covid!
I love your video as well my stibu for my school, and exam as well
I’m a teacher and I love this 😭 keep up the awesome work!!
*"Science"* ~ I totally jazz hands that with you 🙃 Scientific method is important ~ like the numbers of operations in math. You can figure anything out if you know where to start ~~~~~>💕°•○☆💕
FINALLY
Ive always loved the idea of crash course, but had trouble connecting with most of the hosts. Even when it's been Hank it feels wierd seeing him in that setting cos I'm more used to off the cuff silly Hank.
You know what though. This guys delivery reminds me so much of the fellah who hosted crash course space. The only crash course that I've seen in completion, and it started my absolute obsession with all things to do with cosmology and beyond. If this guy can do that for biology I'm so here for it.
Also PS surely it's time to do crash course space part 2 😊 bring back that same guy too!!!
Loving the Jeremy Bearimy ref
Where is episode 3 please?
The same kind of person that likes to warm up grapes are the same kind that like Avocado toast.
Love seeing a smart educated brother ✊👍
Doc, you're the best
You should do an episode of how the German Nicolas of Cusa contributed to the scientific method during the Italian Renaissance.
Thanks!
I love the videos. Wish I had this before I was near the end of my biochem degree 😂
Today I learned that placing a hard boiled egg in a microwave makes it explode, thanks.
Yes, you've seen the Time Knife. All scientists have seen the Time Knife.
2:12 the same thing Canadians are doing now, but with receding ice shelfs and friggin FIRE!
There should be a warning that eggs will still explode even when the shell is off, one should never microwave eggs unless scrambled. Many people have gotten hurt by this misinformation in the past, please correct this.
Can confirm - I was lucky I didn't get badly when my out-of-the-shell egg exploded on me. @howtocookthat has a really comprehensive video about it.
I love How 2 cook that!! I wanted to get on the bandwagon. This misinformation should be changed so no one else gets hurt from the 'sploady eggs. It could really cause bad burns on your face and eyes!! Don't want someone naming Crash Course as to where they got the idea.
I love it
I have slipped one a banana peel and nearly cracked my skull open only once in my life.
1&3 awesome
6:44 Muchaaachos…! ⭐⭐⭐
so science is like jeremy beramy?
Me about to start grad school after watching minute 5:14 of the video👁️👄👁️
What is the difference in a Scientific Law and a Scientific Dogma? I'm having a hard time understanding the difference between these.
Peer review is like democracy; it's not the best system, it is however the least worst.
Nah both are kinda trash.
The only thing that matters is that the theories can accurately predict experiments. Not whether it passed peer review
Is that a Journey to the Microcosmos microscope?
Comment for the algorithm!
Hey! Jeremy Bearimy!
👏🏾👏🏾👏🏾👏🏾
💙
The pride bee 🐝 is a cool t shirt 👕
It’s less like a straight line and more Jeremy Bearimy
YE HAW🎉🎉
3:59 Speak for yourself, explosions are cool! And this one was small-scale enough to just be a bit annoying to clean up, or at worst make you get a new microwave.
✨🥚
Hmm... I've never thought that cut grass smells like watermelon...
Since when does cut grass smell like watermelon? I'm a watermelon farmer, and I cut grass too.
O I am there's for class
e(t)=e(1)
Sonnet-To Science
BY EDGAR ALLAN POE
Science! true daughter of Old Time thou art!
Who alterest all things with thy peering eyes.
Why preyest thou thus upon the poet’s heart,
Vulture, whose wings are dull realities?
How should he love thee? or how deem thee wise,
Who wouldst not leave him in his wandering
To seek for treasure in the jewelled skies,
Albeit he soared with an undaunted wing?
Hast thou not dragged Diana from her car,
And driven the Hamadryad from the wood
To seek a shelter in some happier star?
Hast thou not torn the Naiad from her flood,
The Elfin from the green grass, and from me
The summer dream beneath the tamarind tree?
What kind of grass smells like watermelon when cut?!?! Do Americans have different grass than everyone else?
Shoulda used it during the pandemic 🤔
Hahaha, the Good Place ref 4:10
👍
Science but make it fashion
An entomologist is much better than an etymologist 🤔.
😊😊😊😊🌺🌺🌺🌺🌺🌹
i've put a hard-boiled egg in the microwave before :( not pretty! needless to say i didn't do well in bio in high school lol
1234578 10 questions
I’m subscribing my kids to you
For the love of god, don't microwave a grape. You'll burn your house down.
Here before hundred views
The internet bruh
Scientific analysis is sadly under threat in the modern world especially in America and much of the western world because of the false premise of free speech as a right but in actuality it’s a privilege
First
I love you and this show but please don’t forget my girl Rosalind Franklin when talking about the double helix 🥲
First