Agnes Martin's minimal paintings reproduce terribly. Their magic does not come though in photos or videos. Guest host John Green discusses Martin's art anyway, how it brilliantly captures emotion itself, and why you should seek it out.

To support our channel, visit: http://www.patreon.com/artassignment.

Thanks to our Grandmasters of the Arts Vincent Apa and Indianapolis Homes Realty, and all of our patrons, especially Patrick Hanna, Jane Quale, and Constance Urist.

Subscribe for new episodes of The Art Assignment every other Thursday!

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Resistance isn't always visible, but when we can see it in art, what does it look like? Step back through global art history and look at Delacroix's Liberty Leading the People, Night Attack on the Sanjô Palace, Henry Oscar One Bull’s Custer’s War, Goya's Disasters of War, and Kara Walker's Darkytown Rebellion. Each revealing in disparate ways the experience of those who have struggled against systems of power.

This episode was made in partnership with Smarthistory, the most-visited art history website in the world (https://smarthistory.org). Subscribe to their channel today: https://www.youtube.com/channe....l/UC3R-xanNgtoa8b7gp

Thanks to our Grandmaster of the Arts Vincent Apa, and all of our patrons, especially Frame Monster Design Laboratory, Lynn Gordon, Patrick Hanna, Nichole Hicks, Nicholas Huynh, Eve Leonard, David Moore, Jane Quale, Constance Urist, Nicholas Xu. To support our channel, visit: http://www.patreon.com/artassignment.

Cells for kids is an engaging and fun look at the function and structure of cells. In this video we compare the differences between animal and human cells vs plant cells. We first identify the parts of a cell including the Nucleus, Cytoplasm, Cell Membrane. We then explore the difference between human or animal cells and plant cells including chloroplast and the cell wall. We learn about each of these parts and their function within the cell. Cells make up every living thing! They are important to learn about and once your kids are done watching this video they will be able to define cell, identify a
difference between a plant and animal cell, and label
basic parts of a cell.

If you'd like some more resources about cells including some activities and worksheets - We invite you to download our Cells lesson plan here: https://learnbright.org/lesson....s/science/introducti

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

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Action words are all around us and in this video we learn what they are and how to identify them. Your kids will learn that action words are VERBS! It is important for kids to understand verbs and by the time they are done with this video they should be able to identify and use verbs in sentences. So... get ready to have some fun with your kids as we run in place, sing, talk and learn all about verbs in this fun introductory video.

All sentences have verbs and subjects. A subject is the part of a sentence that contains a person or a thing which performs an action or verb. In the video your kids will practice samples like:

“James runs down the street.”

In this sentence James is the subject. He is the person performing the action. Remember that verbs are action words. What action is James performing in this sentence, or what is the verb in this sentence? The action word or verb is: Runs

There are many other practice opportunities in the video and in our free comprehensive lesson plan that can be downloaded here: https://learnbright.org/lesson....s/language-arts/intr

Thank you for watching! Share your thoughts in the comments below and be sure to subscribe!

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Are you a K-6 grade teacher looking for more teaching resources? We don’t only provide video content but high quality lesson plans as well. 100% free with handouts, worksheets, classroom activities and more!

Browse our collection of other Language Arts lesson plans: https://learnbright.org/lessons/?filter_subject=language-arts

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Have you ever wondered how your body breathes and converts carbon dioxide to oxygen? In The Respiratory System for Kids video, you will learn how exactly we do this. You will also learn about the other components and functions of this important body system. All living things need oxygen to survive. As humans, we use our lungs and other parts of the body to breathe properly and receive oxygen.

Our lungs take up most of the space in our chest, and our ribs are there to protect them and the heart. Speaking of the heart, the left lung is smaller than the right so that there's more room for the heart! On the outside, lungs are pink, spongelike, and kind of squishy. Another fun fact: Yawning is a sign that the body needs more oxygen. When we get sleepy, the brain sends a particular signal in tell our lungs to breathe in more air.

Have you ever noticed that you can breathe through both your mouth and your nose? If we breathe through the nose, the air gets filtered by tiny hairs called cilia. These hairs line the passageways of the nose to filter out dust and other substances. The air travels down the trachea, or windpipe, which is also lined with cilia.

The pharynx, which is actually part of both the respiratory and digestive systems, carries food and air divided into two pathways. The esophagus is for food and leads to the stomach. Air travels through the larynx (voice box) that leads to the trachea. At the back of the throat area is a flap of tissue called an epiglottis. The epiglottis covers the air-only passage when we swallow to keep food or drink out of the windpipe. Keep watching to learn more.

We hope you and your student(s) enjoyed learning about this important body system! If you want to learn even more, head over to our website and download one of our many free lesson plans about the human body and how it works, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/the-respir

What you will learn in Respiratory System for Kids:
0:00 Introduction to the lungs
0:32 Main purpose of the respiratory system
1:10 How lungs function
2:06 Information about the diaphragm
3:02 The nose, mouth, pharynx, and trachea
4:07 The epiglottis, bronchi, and bronchioles
5:13 Alveoli and the exchange of oxygen and carbon dioxide
6:58 Review of the facts

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high-quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

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What is camouflage? Why do animals need to use it? Well, in Animal Camouflage, your kids and students will learn the answers to these questions! First off, there are many different kinds of camouflage, and we will discuss four of the main kinds that apply to animals in this video. Did you know that there is actually more than one reason that animals use camouflage?

A lot of animals use camouflage to hide from predators. The colors of their skin or fur helps them blend into the environment around them. Some animals, though, use camouflage to hunt. For the same reason that camouflage helps some animals hide to avoid predators, other animals blend into their surroundings to catch their prey unaware! In addition to hiding and hunting, a few animals use their coloring to communicate. Take the chameleon, for example. Most people think chameleons use color changing to fool predators. But that's not actually true! Chameleons change colors to communicate to other chameleons! They change color to communicate danger, to attract a mate, or simply to signal a change of environment.

These animals are so cool! You and your kids will discover just how many different types of animals take advantage of this amazing characteristic. And maybe you just might stumble upon one of these incredible creatures!

We hope you and your student(s) enjoyed learning about all these amazing and colorful animals! If you want to learn more, head over to our website and download our free lesson plan about animal camouflage, which is full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/animal-cam

What you will learn in this video:
0:00 Animal camouflage
0:31 Why animals use camouflage
1:09 4 types of camouflage
1:34 Concealing coloration camouflage
2:18 Disruptive coloration (patterning) camouflage
4:05 Disguise camouflage
5:23 Mimicry camouflage
6:45 Other reasons animals use camouflage
8:04 Review quiz

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us and sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

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Have you ever wondered what an antagonist is or what that means? Or, when you read a story, do you sometimes find it difficult to know who the protagonist is and who the antagonist is? Well, we've got you covered. In this video, we learn all about antagonists in stories and plays and go through many examples in popular stories.

If you're looking for even more practice or activities download our FREE comprehensive lesson plan about antagonists here: https://learnbright.org/lesson....s/reading/antagonist

Thank you for watching and learning with us! We’re constantly releasing new content and videos so click that “Subscribe” button and you’ll notified.

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Reading lesson plans: https://learnbright.org/lessons/?filter_subject=reading

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Our 13 Original Colonies for Kids video is a fun and engaging way to introduce the history of the first 13 colonies to kids. We learn about the colonies, how they were found, formed, the people who settled there, food they grew and much more! After the video be sure to download our free comprehensive lesson plan about the colonies here: https://learnbright.org/lesson....s/social-studies/13-

What is something that you learned about the 13 colonies that you didn't know before?

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

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This precalculus video tutorial provides a basic introduction into the gauss jordan elimination which is a process used to solve a system of linear equations by converting the system into an augmented matrix and using elementary row operations to convert the 3x3 matrix into its reduced row echelon form. You can easily determine the answers once you convert it to that form.

Introduction to Matrices:
https://www.youtube.com/watch?v=yRwQ7A6jVLk

Adding and Subtracting Matrices:
https://www.youtube.com/watch?v=QXUbFzEd3Ww

Scalar Multiplication of Matrices:
https://www.youtube.com/watch?v=iJERwUVuwtY

Solving Matrix Equations:
https://www.youtube.com/watch?v=UHhvcj0doaA

Multiplying Matrices:
https://www.youtube.com/watch?v=vzt9c7iWPxs

__________________________________
Gaussian Elimination & Row Echelon Form:
https://www.youtube.com/watch?v=eDb6iugi6Uk

Gauss Jordan Elimination:
https://www.youtube.com/watch?v=eYSASx8_nyg

Gaussian Elimination With 4 Variables:
https://www.youtube.com/watch?v=4VAXv6yRULU

Inverse of a 2x2 Matrix:
https://www.youtube.com/watch?v=aiBgjz5xbyg

Inverse of a 3x3 Matrix:
https://www.youtube.com/watch?v=Fg7_mv3izR0

__________________________________
Determinant of 2x2 and 3x3 Matrix:
https://www.youtube.com/watch?v=3ROzG6n4yMc

Determinant of 4x4 Matrix:
https://www.youtube.com/watch?v=fWzUwrt1Z0s

Cramer's Rule - 2x2 Linear System:
https://www.youtube.com/watch?v=vXqlIOX2itM

Cramer's Rule - 3x3 Linear System:
https://www.youtube.com/watch?v=Ot87qLTODdQ

___________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

Have you ever wondered "What is Biofuel?" or "What is Biomass?" The need for energy is ever growing and biofuels and biomass are different materials that can be used for energy. Biomass and Biofuel are considered renewable energy because it mostly comes from plants that can be replanted and replaced when used for energy. In this video we will discuss all kinds of energy and the advantages and disadvantages to biomass or biofuel vs fossil fuels.

We also invite you to download our free biofuel and biomass lesson plan here: https://learnbright.org/lesson....s/science/biomass-an in this lesson and video students learn about specific examples of both biomass and biofuel and learn the advantages and disadvantages of using them through engaging content, worksheets, activities and more! Check it out!

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

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PBS Member Stations rely on viewers like you. Support your local station at: http://to.pbs.org/DonateOKAY
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In case you have a strange new desire to get an IOTBS shirt: http://store.dftba.com/collect....ions/its-okay-to-be-

See if you share a famous birthday (I got Tom Hiddleston): http://www.buzzfeed.com/kimber....leydadds/which-celeb

Explore the math behind Birthday Paradox #1: https://www.khanacademy.org/ma....th/probability/proba

Explore Birthday Paradox #2: http://www.trans4mind.com/pers....onal_development/mat

The “Facebook Birthday Problem” is a variant of the Coupon Collector’s Problem: https://en.wikipedia.org/wiki/....Coupon_collector%27s


Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below!

Follow on Twitter: @okaytobesmart @drjoehanson
http://www.itsokaytobesmart.com
Follow on Instagram: @okaytobesmart @drjoehanson

-----------------
It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.
Follow me on Twitter: @jtotheizzoe
Email me: itsokaytobesmart AT gmail DOT com
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For more awesome science, check out: http://www.itsokaytobesmart.com
Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios

Joe Hanson - Creator/Host/Writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen Inc.
Andrew Matthews - Editing/Motion Graphics/Animation
Katie Graham - Camera
John Knudsen - Gaffer

Other music via APM
Stock images from Shutterstock, stock footage from Videoblocks (unless otherwise noted)

This math video tutorial explains how to multiply two fractions together.

Fractions - Basic Introduction: https://www.youtube.com/watch?v=3TklZi6MeJ4

Adding Fractions - Unlike Denominators:
https://www.youtube.com/watch?v=5fbzZEK77DQ

Subtracting Fractions:
https://www.youtube.com/watch?v=8ZbIrASBj54

Multiplying Fractions:
https://www.youtube.com/watch?v=sR83TDp_g2c

Dividing Fractions:
https://www.youtube.com/watch?v=Ht8O3cJ9yJ8

_____________________________________
Mixed Numbers - Basic Intro:
https://www.youtube.com/watch?v=PZGx0nSxzjs

Improper Fractions to Mixed Numbers:
https://www.youtube.com/watch?v=zvLql0wBM4E

Improper Fractions to Decimals:
https://www.youtube.com/watch?v=jt6UQD08azc

How To Convert Fractions to Decimals:
https://www.youtube.com/watch?v=pDs4a4ijqh0

Percent to Fraction:
https://www.youtube.com/watch?v=5ZHccsyr_JI

_____________________________________
Comparing Fractions:
https://www.youtube.com/watch?v=KHvnQLA9AmI

Equivalent Fractions:
https://www.youtube.com/watch?v=v31RGvrYIjU

Fractions on a Number Line:
https://www.youtube.com/watch?v=fLY9yRdBObQ

How To Simplify Complex Fractions:
https://www.youtube.com/watch?v=AqUvxoTKayI

Fractions & Mixed Numbers - Review:
https://www.youtube.com/watch?v=Vb5c7ay0ziU

_____________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Music Track:
https://audiojungle.net/item/g....litch-futuristic-ins

Welcome to Adding Fractions with Unlike Denominators with Mr. J! Need help with adding fractions? You're in the right place!

Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with how to add fractions with unlike denominators (aka - adding fractions with different denominators). Mr. J will go through two adding fractions examples and explain the steps of how to add fractions with unlike denominators.

MORE ADDING AND SUBTRACTING FRACTIONS VIDEOS:
✅ Adding Fractions with Unlike Denominators (Part 1) - https://youtu.be/CoCmsyFQ_Xc
✅ Adding Fractions with Unlike Denominators (Part 2) - https://youtu.be/SSxU5sjxqyk
✅ Subtracting Fractions with Unlike Denominators (Part 1) - https://youtu.be/jgGAJOe-Bgg
✅ Subtracting Fractions with Unlike Denominators (Part 2) - https://youtu.be/Tl3lbRe18JY
✅ Simplifying Fractions - https://youtu.be/oFVzcnJfYkg
✅ Least Common Multiples - https://youtu.be/53Ed5yjBELc
✅ Why Do We Need a Common Denominator When Adding and Subtracting Fractions? - https://youtu.be/YxAXC8Q16ok
✅ Equivalent Fractions - https://youtu.be/dBZ2QGZBH6M

About Math with Mr. J: This channel offers instructional videos that are directly aligned with math standards. Teachers, parents/guardians, and students from around the world have used this channel to help with math content in many different ways. All material is absolutely free.

Click Here to Subscribe to the Greatest Math Channel On Earth: https://goo.gl/XHTrfY

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Email: math5.mrj@gmail.com

Music: https://www.bensound.com/royalty-free-music

Hopefully this video is what you're looking for when it comes to adding fractions.

Have a great rest of your day and thanks again for watching!

This the first video of a four part playlist. The first three videos briefly explain the math needed for the proof. The fourth video is the proof. This video gives a quick demonstration of a factorial.

Join this channel to get access to perks:
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The largest pterosaurs like Quetzalcoatlus were closer in size to airplanes than birds. No flying animal alive today comes close to their huge size. So did giant pterosaurs actually fly? I went to see the fossil bones of the largest pterosaur that ever lived so I could learn how these winged giants actually took to the skies.

Special thanks:
Michael Habib, Ph.D. https://twitter.com/aeroevo
Matthew Brown/University of Texas Vertebrate Paleontology Collection

References: https://sites.google.com/view/....giant-pterosaurs-ref

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Learn how to subtract larger numbers using base ten blocks and regrouping.

Visit https://www.virtualelementarys....chool.com/new-math-c to learn more about our new elementary math courses.

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TeacherTube User: Mfergon

TeacherTube URL: http://www.teachertube.com/vie....wVideo.php?video_id=

This is a math video lesson to help you with new math, math tricks, and or simple math questions you may have.

I added lyrics to this video. I hope I got it right. Comments are welcome Thanks to Afalanis and the Oakwood Summer Program for the video. I think they made it

Eleven-year-old published author Adora Svitak gives a quick tour of a sample lesson in the K12 Intermediate World History course.

WEBSITE: http://www.teachertube.com 8th grade teacher Lamar Queen rapping about slopeintercept to students
I got this video from youtube.