Skip the waitlist and invest in blue-chip art for the very first time
by signing up for Masterworks: https://masterworks.art/simplehistory
Purchase shares in great masterpieces from artists like Pablo Picasso,
Banksy, Andy Warhol, and more. See important Masterworks disclosures:
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조선인민군

How have North Korean Soldiers escaped from the Dictator ruled country to South Korea?

2nd Channel: https://www.youtube.com/channe....l/UCPdc6bs3I8s6Y4QE_
Become a Simple History member: https://www.youtube.com/simplehistory/join
Support us on Patreon: https://www.patreon.com/simplehistory

Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

https://www.amazon.com/Daniel-....Turner-%60/e/B00H5TY

T-Shirts

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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)

Narrator:

Chris Kane
https://vocalforge.com/

Tiananmen Square, in the heart of the Chinese capital Beijing, has been a place of enormous significance in modern Chinese history.
For seven weeks in the spring and early summer of 1989, it was the focus of unparalleled protests by students and workers against the political and economic system, leading to a brutal government crackdown and international condemnation of the communist regime.


Become a Simple History member: https://www.youtube.com/simplehistory/join
Support us on Patreon: https://www.patreon.com/simplehistory

Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

https://www.amazon.com/Daniel-....Turner-%60/e/B00H5TY

T-Shirts

https://teespring.com/stores/s....imple-history-offici

Simple history gives you the facts, simple!

See the book collection here:

Amazon USA

http://www.amazon.com/Daniel-Turner/e/B00H5TYLAE/


Amazon UK
http://www.amazon.co.uk/Daniel....-Turner/e/B00H5TYLAE


https://www.facebook.com/Simpl....e-History-5494376751

https://twitter.com/SimpleHistoryYT


Credit:
Created by Daniel Turner

Narrator:

Chris Kane
https://vocalforge.com/

Sources:
https://pastebin.com/JvNYX0Ta

This electronics video tutorial explains how to analyze circuits using mesh current analysis. it explains how to use kirchoff's voltage laws combined with ohm's law to calculate the electric current flowing through each resistor as well as the electric potential of each node.

Basic Electronics For Beginners:
https://www.youtube.com/watch?v=uXr4lXYjXuU

Electric Power & Cost if Electricity - KWh:
https://www.youtube.com/watch?v=i1TJV-9ljDs

Electricity - Basic Introduction:
https://www.youtube.com/watch?v=ybuhfEa-PrU

Wire Gauge & Amperage:
https://www.youtube.com/watch?v=KSYAqQ4xyJI

Intro to Multimeters:
https://www.youtube.com/watch?v=n9Obx15AjdM

The Wheatstone Bridge Circuit:
https://www.youtube.com/watch?v=jFvVtB10B1I

____________________________________
Node Voltage Method Circuit Analysis:
https://www.youtube.com/watch?v=BMnFC63m1fQ

Norton's Theorem Circuit Analysis:
https://www.youtube.com/watch?v=-kkvqr1wSwA

Thevenin's Theorem Circuit Analysis:
https://www.youtube.com/watch?v=zTDgziJC-q8

The Superposition Theorem:
https://www.youtube.com/watch?v=EX52BuZxpQM

Maximum Power Transfer:
https://www.youtube.com/watch?v=8CA6ZNXgI-Y

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

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

This chemistry video tutorial explains the concept of dalton's law of partial pressure. It provides the equations plus plenty of examples and practice problems for you to work on.

Pressure & Boiling Point: https://www.youtube.com/watch?v=6t50Gmo8tq0

Gas Pressure Unit Conversion:
https://www.youtube.com/watch?v=JNOg1OsxMUw

Manometers & Barometers:
https://www.youtube.com/watch?v=8P5NlpxGT7Y

Water Height & Mercury Column:
https://www.youtube.com/watch?v=C6iFuluQvJk

Boyle's Law Practice Problems:
https://www.youtube.com/watch?v=v8r_AU_TlPg

_________________________________
How Does a Bike Pump Work?
https://www.youtube.com/watch?v=I0b_i6-HLBA

Charles Law:
https://www.youtube.com/watch?v=uZ2d79NFx2w

Gay Lussac's Law:
https://www.youtube.com/watch?v=RszgzH_2A9k

Avogadro's Law:
https://www.youtube.com/watch?v=Czo2rIai5u0

Ideal Gas Law Problems:
https://www.youtube.com/watch?v=iaZ96KaQ44c

Combined Gas Law Problems:
https://www.youtube.com/watch?v=pFaYMR2UAGE

_______________________________
Gas Stoichiometry Problems:
https://www.youtube.com/watch?v=hPY7d6GUEV0

Molar Mass of a Gas at STP:
https://www.youtube.com/watch?v=XTiR7F6FzNc

Gas Density at STP:
https://www.youtube.com/watch?v=p8Mqx6CrDis

Dalton's Law of Partial Pressure:
https://www.youtube.com/watch?v=J7YRwU7IV8Q

Collecting Gas Over Water:
https://www.youtube.com/watch?v=1obOU5CxoQ4

_______________________________
Gas Density of Mixtures:
https://www.youtube.com/watch?v=OOD4Wg_TwX4

Average Kinetic Energy of a Gas:
https://www.youtube.com/watch?v=drZe2cCu-mc

Graham's Law of Effusion:
https://www.youtube.com/watch?v=urJI2RHZ42k

Kinetic Molecular Theory of Gases:
https://www.youtube.com/watch?v=iAsP-9m2aH0

Gas Law Problems Review:
https://www.youtube.com/watch?v=2ZtLDXF1V6w

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

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

This chemistry video tutorial explains how to memorize the 7 strong acids and strong bases. Strong acids dissociate completely where as weak acids dissociate partially. Strong Bases are usually soluble compounds that release hydroxide ions into solution.

Acids and Bases - Introduction: https://www.youtube.com/watch?v=FM2MpMbV0rw

The 7 Strong Acids to Memorize:
https://www.youtube.com/watch?v=AaYQ_ZiE7AY

Conjugate Acid-Base Pairs:
https://www.youtube.com/watch?v=OP6RKqSp1Xw

pH and pOH Calculations:
https://www.youtube.com/watch?v=OEW4-Sfyvik

Estimate The pH Without a Calculator:
https://www.youtube.com/watch?v=Mgph6gmIuwg

_______________________________
Autoionization of Water - Kw:
https://www.youtube.com/watch?v=ID5K1Yt7Yho

Which Acid Is Stronger?
https://www.youtube.com/watch?v=PdqFSw_SRug

Acidic, Basic, & Neutral Salts:
https://www.youtube.com/watch?v=-6Pxr7SRgeo

pH of Weak Acids:
https://www.youtube.com/watch?v=kJTCuRSeh6g

Buffer Solutions:
https://www.youtube.com/watch?v=kBzPTEB21Po

_________________________________
Polyprotic Acid Base Equilibria:
https://www.youtube.com/watch?v=nXugjkSQtTI

Acid Base Titration Curves:
https://www.youtube.com/watch?v=LNG9rhmBu8E

Acids and Bases - Practice Test:
https://www.youtube.com/watch?v=hmGPK0cuO7o

Ksp - Molar Solubility & Ice Tables:
https://www.youtube.com/watch?v=kO-9OajoPZs

Complex Ion Equilibria:
https://www.youtube.com/watch?v=nkiMFM19yNE

___________________________________
Gibbs Free Energy, Entropy & Enthalpy:
https://www.youtube.com/watch?v=2KuNzB0cZL4

Entropy - 2nd Law of Thermodynamics:
https://www.youtube.com/watch?v=lN66F9V7-_Q

Electrochemistry Practice Problems:
https://www.youtube.com/watch?v=S9frctwDyL0

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

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

Chemistry PDF Worksheets:
https://www.video-tutor.net/chemistry-basic-introduction.html

This algebra video explains how to graph circles in standard and how to write equations of circles in standard form. This video on conic sections contains plenty of examples and practice problems.

Conic Sections - Basic Introduction: https://www.youtube.com/watch?v=YWHyovdHqkg

Finding The Radius and Center of a Circle:
https://www.youtube.com/watch?v=vSw9VAM8hfY

Writing Equations and Graphing Circles:
https://www.youtube.com/watch?v=u_39J-syjB0

Writing Equations of Ellipses:
https://www.youtube.com/watch?v=OPSCKXXvWiM

Circumference of an Ellipse:
https://www.youtube.com/watch?v=r5pl_stL4c0

Area of an Ellipse:
https://www.youtube.com/watch?v=Mw3MeDLL8d4

____________________________
Eccentricity of an Ellipse:
https://www.youtube.com/watch?v=9hyQksn80ug

Hyperbolas - Conic Sections:
https://www.youtube.com/watch?v=Iu-4-fizlD4

Parabolas - Focus and Directrix:
https://www.youtube.com/watch?v=KYgmOTLbuqE

How To Find The Vertex of a Parabola:
https://www.youtube.com/watch?v=qsA3e5lGwKo

Conic Sections Quiz:
https://www.youtube.com/watch?v=vqZO_CrEdPs

_____________________________
Arithmetic Sequences:
https://www.youtube.com/watch?v=XZJdyPkCxuE

Geometric Sequences:
https://www.youtube.com/watch?v=zRKZ0-kOUZM

Probability - Basic Intro:
https://www.youtube.com/watch?v=SkidyDQuupA

Intro to Statistics:
https://www.youtube.com/watch?v=XZo4xyJXCak

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

Hi, this is Kids Academy, and it's new kids song about how to learn colors with animals, flowers, bugs, etc. So if you want to learn new colors, you have to listen and remember this new kids song.
Let's learn new songs for kids and new colors and words.
Subscribe to our channel: https://goo.gl/iG2Bdr

#kidsacademy #LearnWithKidsAcademy #learncolors #colors #kidssongs

Connect with us on :
App Store: https://apps.apple.com/app/apple-store/id543851593
Google Play: https://play.google.com/store/....apps/details?id=air.

Our website: http://www.kidsacademy.mobi
Instagram: https://www.instagram.com/kidsacademyco
Facebook: https://www.facebook.com/KidsAcademyCompany

It's Kids Academy and welcome back to our channel! Music enriches the lives of everyone — kids included! This video collection featuring Christmas songs for kids, carols and nursery rhymes delight young children everywhere.

Two of the most common winter season songs are featured at the beginning of this Christmas songs compilation for kids.

Children enjoy seeing Santa moving from housetop to housetop, dropping presents down the chimney. Then, some fun animal friends enter the room one at a time to take or unwrap a gift. Bear gets some honey, and the elephant gets a French horn. During the animated story, children can sing We Wish You a Merry Christmas. The lyrics to the first two verses of the song stream across the bottom of the video.

The Jingle Bells music video depicts a Christmas scene complete with Santa and his sleigh and a town Christmas tree to decorate. This familiar tune, along with the bright and fun animation, is an excellent addition to your holiday music plans and lessons.

This compilation includes Twinkle Twinkle Little Star, and Row Row Your Boat too!
If you need a song to play that calms little ones before bed or nap time, this is the video you need. A tranquil story plays out accompanied by the music. Children can sing and view night animals, stars, and the moon.

Finally, Kids Academy includes Row Row Your Boat. Included in this version is the opportunity for kids to squeak, roar, scream, and more as various animals and creatures are met along a boat ride!

Kids songs provide your students and children with rich language experiences. New vocabulary is learned, and rhyme is often introduced first through song. Children gain confidence and pride when they memorize and sing a favorite tune. And most importantly, a classroom or home with music is creative, welcoming, and more fun.

00:00 Start
00:05 We wish you a Merry Christmas
01:52 Jingle bells for kids
02:52 Twinkle Twinkle Little star
05:33 Row Row Row Your Boat

*****
Connect with us on :

Facebook: https://www.facebook.com/KidsAcademyCompany
Twitter: https://twitter.com/KidsAcademyCo

Install for free our Kids Academy Talented and Gifted Program for kids aged 2-10:
App Store: https://smart.link/59833db06a6b8
Google Play: https://smart.link/5a1bea3272481
Our website: https://www.kidsacademy.mobi/
#kidsacademy #christmasforkids #christmassongs

#mathematicstutorial

The European Renaissance may have started in Florence, but it pretty quickly moved out of Italy and spread the art, architecture, literature, and humanism across Europe to places like France, Spain, England, and the Low Countries.

SOURCES:
Hunt, Lynn et al. The Making of the West: Peoples and Cultures, 6th ed. Boston: Bedford St. Martins, 2019.
Jardine, Lisa. Erasmus, Man of Letters. Princeton: Princeton University Press, 1993.
Donald R. Kelley, Renaissance Humanism. Boston: Twayne, 1991.

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Eric Prestemon, Sam Buck, Mark Brouwer, Laura Busby, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore
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Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashCourse
Twitter - http://www.twitter.com/TheCrashCourse
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Support Crash Course on Patreon: http://patreon.com/crashcourse

CC Kids: http://www.youtube.com/crashcoursekids

#crashcourse #history #europeanhistory

WEBSITE: http://www.teachertube.com Evaluating Trigonometric Expressions

How to solve a linear equation with fractions.

TabletClass Math Academy - https://TCMathAcademy.com/
Help with Middle and High School Math
Test Prep for High School Math, College Math, Teacher Certification Math and More!

Popular Math Courses:

Math Foundations
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Math Skills Rebuilder Course:
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Pre-Algebra
https://tabletclass-academy.te....achable.com/p/tablet

Algebra
https://tabletclass-academy.te....achable.com/p/tablet

Geometry
https://tabletclass-academy.te....achable.com/p/tablet

Algebra 2
https://tabletclass-academy.te....achable.com/p/tablet

Pre-Calculus
https://tabletclass-academy.te....achable.com/p/tablet

If you’re looking for a math course for any of the following, check out my full Course Catalog at: https://TCMathAcademy.com/courses/

• MIDDLE & HIGH SCHOOL MATH
• HOMESCHOOL MATH
• COLLEGE MATH
• TEST PREP MATH
• TEACHER CERTIFICATION TEST MATH

First Grade Literature - Nouns .

Check out the rest of the channel for more content and don't forget to like and subscribe! I'll be posting more videos!

How to memorize the periodic table 10X faster - Video 1. Start with the first 20 elements at https://www.memorize.academy/first-20-elements and then go for the entire periodic table of 118 elements at https://www.memorize.academy/m....emorize-the-periodic

How do you memorize the periodic table in the fastest and easiest way possible? You use the natural power of your visual memory.

We offer an easy way to memorize the periodic table. Memorization of the periodic table with our innovative animated video series takes just hours, so memorize the elements now!

Most people only know the typical techniques to memorize using your verbal memory – acronyms, acrostics, rhymes, associations and songs. Those techniques can be great for remembering small amounts of information, but they don’t take advantage of the dramatic improvements to your recall when you activate your visual memory.

We’ll begin by picturing a typical poster or chart of the periodic table. There are many small, colorful squares, each with a name, number and symbol of an element, and together they create a large irregular shape.

This image will act as an anchor in your memory, holding down the chain of images which link together all the elements.

Now we’ll take that colorful poster and attach it to the first element. Picture that poster of the periodic table and imagine it’s wrapped around a water hydrant.

Why a water hydrant?

1. Hydrogen

The 1st element in the periodic table is Hydrogen. Hydrogen sounds similar to hydrant and that’s how you’ll be reminded of it. Picture a water hydrant you see on the sidewalk. It’s short, stubby, red, and looks strong. The hydrant is like a little man with a small hat on top and stubby arms sticking out the side.
Imagine that hydrant with the chart of the periodic table wrapped around it. When you think of the chart of the periodic table, you’ll picture it wrapped around a water hydrant. Because hydrant sounds similar to hydrogen, you’ll know the 1st element in the table is Hydrogen.

2. Helium

The 2nd element is Helium. If you’re like me, when you think of Helium, you automatically think of a helium balloon. When you let it go, it’s the type that floats up into the sky. Now imagine an enormous helium balloon. Make it the size of a car and picture it attached to the water hydrant. Because the helium balloon is so big and has so much lifting power, it starts to lift the water hydrant up off the sidewalk. Together they slowly float up into the air and away into the sky. Now, when you visualize the helium balloon floating upwards, you’ll know the 2nd element is Helium.

3. Lithium

The 3rd element is Lithium. Lithium sounds a bit like “lithp”. People that have a lisp – a type of speech impediment – aren’t able to pronounce “lisp” and say “lithp”. Let’s pretend the large helium balloon has a lisp. It also has a small hole in it, causing the balloon to slowly deflate. Usually a balloon with a hole in it will make a slow “ssss” sound, but because this balloon has a lisp or “lithp”, it makes a “thhh” sound. Visualize the large balloon slowly deflating making a “thhh” sound. When you think of the balloon’s “lithp”, you’ll be reminded of the 3rd element, Lithium.

4. Beryllium

The 4th element is Beryllium. If you say Beryllium slowly, it sounds like “bee really yum”. Picture your slowly deflating balloon. Imagine an enormous bumble bee lands on the balloon. The bee is the size of a football and has bright yellow and black stripes and buzzes loudly. The bee licks the balloon to have a taste and says, “that’s really yum!” It really likes the taste of the balloon. When you picture the bee licking the balloon, you’ll think, “bee really yum”, and be reminded of the 4th element, Beryllium.

5. Boron

The 5th element is Boron. We can break up the word Boron into “bore” and “on”. The word “bore” can mean to drill a hole. Picture now the bee, after tasting the balloon. It uses its stinger, pierces the balloon and starts to spin around in a drilling motion. The bee has landed on the balloon, tasted it, and now it’s started to “bore on” the balloon. When you picture the bee begin to bore on the balloon, you’ll remember the 5th element, Boron.

WWW.HARRYKINDERGARTENMUSIC.COM
...or find me on Teachers Pay Teachers!
www.teacherspayteachers.com/St....ore/Harry-­­­­Kinder
HARRY KINDERGARTEN MUSIC, LLC
Hip educational songs & videos for the K-2 Classroom!

Song: DOUBLES! DOUBLES! (1-10 VERSION)
Educational Content: Practicing "doubles" addition; This version has both the "small doubles" and the "big doubles" in one song, whereas my previous versions repeated one or the other in both verses.
1+1=2
2+2=4
3+3=6
4+4=8
5+5=10
6+6=12
7+7=14
8+8=16
9+9=18
10+10=20

Buy! *www.harrykindergartenmusic.com
Buy! *www.teacherspayteachers.com/St....ore/Harry­­­­-Kinder
Watch! *youtube.com/harrykindergarten
Discuss! * facebook.com/groups/harrykindergarten
Tweet! * twitter.com/harrykmusic
Logo Merchandise! * cafepress.com/harrykindergarten
Pledge! *patreon.com/harrykindergarten
Email! *pete@harrykindergartenmusic.com

HARRY KINDERGARTEN MUSIC FREEBIES:
This song is a FREEBIE. You can stream it for free on YouTube, but also buy it at my website. I am already offering 60+ of my hip educational songs/videos on YouTube FOR FREE at youtube.com/harrykindergarten. Enjoy them, utilize them, and share them! I am a current full-time Kindergarten teacher so I know what it's like to be looking around for quality content in my classroom! You can ALSO purchase the raw video file and/or audio file of those 60+ songs at my website (if you need them for some reason) or at Teachers Pay Teachers. I will continue to make freebie videos (ones you can just stream on YouTube for free) periodically, so continue to check back to see if I've posted any.

*Please DO NOT rip any of my videos off of YouTube and upload them to your YouTube channel. I want the Harry Kindergarten Music channel to be the hotspot for these videos, not random teachers' channels who happened to illegally take them off of mine. If you really want to have a playlist of them, create a playlist from MY channel or purchase them on my website so you have the raw files. THANKS FOR UNDERSTANDING!

Q: Do you speak at conferences?
A: Yes! My ability to speak at teacher conferences during the school year is "tight" because I am currently a classroom teacher and only have a set number of personal days. However, the SUMMER time is wide-open and I'd love to come to your conference and do a session/seminar! Some of the topics I've typically spoken to teachers about include music and technology in the classroom, classroom management, running a creative morning meeting, and utilizing YouTube in the early childhood classroom. Email me at pete@harrykindergartenmusic.com to make a speaking request.

Q: Can my class perform a "Harry Kindergarten song" for an audience?
A: If you desire to have your class or group of students perform one of my “Harry Kindergarten” songs for an audience, please note that there is a $6.00 PERFORMANCE FEE.

Here are some hypothetical examples of performance groups:
* Students perform a song for an audience during a graduation ceremony.
* Students perform a song for an audience during a school or community talent show.
* Students perform a song for an audience during a school assembly.
If you are unsure if you need to purchase a performance license or not, please inquire at: pete@harrykindergartenmusic.com. If you want more details about using a song multiple years or multiple classes, etc., e-mail me for a detailed PDF file.

$6.00 can be sent to:

Harry Kindergarten Music, LLC

508 Stewart Street

Bellwood, PA 16617

Have you ever heard of the law of inertia? In this Newton's First Law of Motion video for kids, you will learn about why objects either move or don't move. The first law of motion, or the law of inertia, states that objects at rest will remain at rest unless something else moves that object. It also states that an object that is moving will keep moving until something stops it.

When it comes to an object at rest, think of anything around you that isn't moving. A pillow, a book on the desk, or the desk itself. They will stay unmoved unless you, or something else, moves it. As far as objects that are moving, think of a ball in the air. Eventually the ball will fall because of gravity and air resistance. However, if it were in space, it would keep moving forever at the same speed unless it hits something or something hits it.

Speaking of gravity and air resistance, these are two natural forces that affect an object's motion. Another is friction. If you roll something across a flat but uneven surface, that object will eventually stop because of friction. Say, however, you roll something along a flat and even surface, such as perfectly smooth ice. In this case, the object you roll may not stop for a much longer amount of time because there is much less friction to stop its motion.

We hope you and your student(s) enjoyed learning about Newton's first law of motion! If you want to learn even more, head over to our website and download one of our many free lesson plans about the law of inertia, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/newtons-la
https://learnbright.org/lesson....s/science/gravity-st

What you will learn in Newton's First Law of Motion for Kids:
0:00 Introduction to the first law of motion (the law of inertia)
0:41 Explanation for an object at rest
1:20 Explanation for an object in motion
2:43 The effect of friction on objects
3:33 The effect of gravity on objects
4:11 The effect of air resistance on objects

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.

Find and Follow Us Online:
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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

#ASL
#NewtonsFirstLawOfMotion
#LawOfInertia

What is the difference between bacteria and viruses? In Bacteria and Viruses for Kids, you will learn all about these two microorganisms. The first thing you will learn is that not all bacteria are bad. In fact, the majority of bacteria on the planet and in your body are actually good. You can find bacteria in things like yogurt, soy sauce, and pickles!

So what are bacteria? They are single-celled organisms so small that you can't see them without a microscope. They don't have a nucleus like other single-celled Common shapes include rods, spirals, and spheres. All these organisms move in different ways too. Some move like swimmers using tail-like structures called flagella. Others stay still and don't move much at all. Then there are some that slither or slide their way around.

Most bacteria are not harmful. However, there are some that can make you sick. These are called pathogens. Common pathogens include food poisoning, leprosy, and typhoid fever. To fight these pathogens, you can use antibiotics or antiseptics. You can actually find antiseptics in soaps because it's how you keep your hands clean. Good bacteria, on the other hand, are good for many reasons. They help you digest food and keep your immune system strong. They also break down dead plant and animal material to help keep soil healthy. And, they produce about half of the oxygen in the atmosphere!

What about viruses? All viruses are bad. Scientists debate whether these organisms are living or dead because they don't have an organized cell structure and can't reproduce unless they attach themselves to a living cell. The word virus comes from the Latin word for "slimy liquid." These organisms attack healthy cells. As those cells reproduce, the virus reproduces too and spreads. Many kinds can pass from person to person through hand-shaking, food contact, and through water.

We hope you and your student(s) enjoyed learning about bacteria and viruses! If you want to learn even more, head over to our website and download one of our many free lesson plans about germs, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/bacteria-a
https://learnbright.org/lessons/science/germs/
https://learnbright.org/lesson....s/science/influenza-

What you will learn in Bacteria and Viruses for Kids:
0:00 Introduction to bacteria
1:01 What are bacteria and what do they look like?
1:56 All about bad bacteria—pathogens
2:38 All about good bacteria
3:27 Introduction to viruses
4:22 How viruses work
5:29 How to prevent viral infections
6:41 Review of the material

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In which John Green teaches you about the United States as it was in the 1990s. You'll remember from last week that the old-school Republican George H.W. Bush had lost the 1992 presidential election to a young upstart Democrat from Arkansas named Bill Clinton. Clinton was a bit of a dark horse candidate, having survived a sex scandal during the election, but a third-party run by Ross Perot split the vote, and Clinton was inaugurated in 1993. John will teach you about Clinton's foreign policy agenda, which included NATO action in the Balkans and the Oslo Accords between Israel and the PLO. He'll also cover some of the domestic successes and failures of the Clinton years, including the failed attempt at healthcare reform, the pretty terrible record on GLBTQ issues, Welfare reform, which got mixed reviews, and the happier issues like the huge improvements in the economy. Also computers. Cheap, effective, readily available computers came along in the 1990s, and they kind of changed the world, culminating in this video, which is the end of the internet. Until next week.

Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. One of the largest criticisms against President Clinton's presidency was his inaction during the genocide in Rwanda which he comments on in his Remarks on the Rwandan Genocide: https://www.commonlit.org/text....s/president-clinton-
First Lady Hillary Clinton had some foreign affairs success of her own when she delivered her 1995 speech to the United Nations Fourth World Conference on Women stating that women's rights are human rights: https://www.commonlit.org/text....s/first-lady-hillary

Chapters:
Introduction: The Clinton Years 00:00
Clinton's Foreign Policy 0:40
Terrorism During the Clinton Era 1:51
Clinton's Domestic Policy 2:12
Clinton's Triangulation Strategy 3:20
Clinton's Welfare Reforms 4:42
Economics During the Clinton Era 5:14
The E-Commerce Boom 6:27
Mystery Document 6:42
Globalization of Manufacturing, Technology, and Commerce 8:06
The Crash of 2000 8:58
Increasing Wealth Inequality 9:37
The Culture Wars 10:13
An Influx of Immigration 10:22
Diverse Family Structures 11:25
The AIDS Epidemic & LGBT Rights Movement 11:50
Imprisonment & the "War on Drugs" 12:08
Multiculturalism & Political Tensions 12:34
Clinton's Infidelity & Impeachment 13:09
Clinton's Legacy 14:19
Credits 15:00

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Nature is truly the ultimate recycler…
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Waste not, want not… right? Poop, in all of its various forms throughout nature, shapes the world in ways you might not imagine. One creature’s waste is another’s fuel, and all over nature these leftovers help new life spring up. Here’s how whales, birds, worms, bats, and more help the world breathe clean, thanks to their poop.

Thanks to the following for their expert info:
Dr. Richard Kirby (@PlanktonPundit)
David Moscato (@DMos150)
Dr. Cullen Geiselman
Dr. Winifred Frick (@frickwinifred)

Watch our old video: The Ghosts of Evolution https://www.youtube.com/watch?v=ZWW5OuxlKec

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READ MORE:

Ghosts of Evolution by Connie Barlow http://amzn.to/2wfQFLX

How whale poop helps feed the ocean: https://theconversation.com/bo....ttoms-up-how-whale-p

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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
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