Manual: GeoGebra in a Nutshell (from http://school-maths.com) - Section 1.4

Maths Lab + GeoGebra Training by Try For Learn, GeoGebra session by Try For Learn Team
Presentation: Nabin Devkota

In this video, we will teach you about simple and compound sentences.


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Learn about a special type of piecewise function - step functions!
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Learn Numbers for Kids Teach Counting How To Learn Easy The Numbers For Kids

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If you are here right now, chances are that your little one is at that stage where he has to learn how to count. It seems like an easy task to teach a child counting numbers but the truth is that it’s not at all easy. Your child is too young at the moment and his brain can’t catch things as quick as you want to so a little patience is required here.

Don’t worry because every parent and every teacher has to go through this phase of teaching a child how to count numbers. How possibly difficult can it be if everyone is doing it, right? Well, if you do agree with us on this one then make sure to stay calm and patient right now and note down the things we are about to tell you.

In order to learn numbers for kids, you don’t have to get into any complications, in fact, all you need to do is to invest your time. Yes, you read that right! Your time is all your little one needs to learn to count for kids.

Most importantly, you can use online Youtube videos to teach your kid all about numbers, how to spell them and how to count them. The reason behind this is simply that online Youtube videos use visuals and audios that attract the children and they pick things up easily without getting bored.

Other than this, you can even opt for different color books with numbers on them and you can read different stories to your kids and play with them some games that help your child understand the concept of counting. Just be patient and we assure you that you will see some results soon.


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In this educational video for kids, we will how to write UPPERCASE and lowercase letters A-a, B-b, and C-c. Your child can easily memorise letters A to C using our examples. It's ideal for preschool and kindergarten. Stay tuned!

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This organic chemistry video discusses the integration of H-NMR signals in NMR spectroscopy. It relates the area under the curve with the height of the integral trace to the relative number of protons in the molecule.

Alcohol Reactions - HBr, PBr3, & SOCl2:
https://www.youtube.com/watch?v=4PDs3ygNsv4

Free Radical Reactions:
https://www.youtube.com/watch?v=w9RAULFkqKQ

Reactions Summary:
https://www.youtube.com/watch?v=nkh0egRNQz0

Organic Chemistry 1 Final Exam Review:
https://www.youtube.com/watch?v=ej2pSWw6U3w

IR Spectroscopy:
https://www.youtube.com/watch?v=WTmj_9VT5oE

Mass Spectrometry:
https://www.youtube.com/watch?v=VUIPYnWLSDE

______________________________
Proton NMR Spectroscopy:
https://www.youtube.com/watch?v=vejKDb1dBn8

Carbon-13 NMR Spectroscopy:
https://www.youtube.com/watch?v=QUVTATcXE9Y

Ethers and Epoxides:
https://www.youtube.com/watch?v=BxRLJhHjqMc

Diels Alder Reaction:
https://www.youtube.com/watch?v=sBmoP6KwK-8

Organic Chemistry 2 Final Exam Review:
https://www.youtube.com/watch?v=T5NaUdVfAOc

This basic geometry video tutorial discusses parallel and perpendicular lines in addition to transversals and all the angles that are formed by it such as alternate interior and exterior angles. This video contains plenty of examples and practice problems.

Geometry Introduction: https://www.youtube.com/watch?v=302eJ3TzJQU

Addition & Subtraction Equality Property:
https://www.youtube.com/watch?v=RslDIFh_kG8

Multiplication & Division Property Equality:
https://www.youtube.com/watch?v=nYCrcq5YDvQ

Transitive Property of Congruence:
https://www.youtube.com/watch?v=H3hvDbxntfo

Triangles - Basic Introduction:
https://www.youtube.com/watch?v=DdAwGinauoI

Alternate Interior & Exterior Angles:
https://www.youtube.com/watch?v=e4o7X6LyX-I

________________________________________
2 Column Proofs of Congruent Segments:
https://www.youtube.com/watch?v=cboityRIf4Q

2 Column Proofs of Angles:
https://www.youtube.com/watch?v=kXcG6oYh3i8

Triangle Congruence - SSS, SAS, ASA:
https://www.youtube.com/watch?v=jWHOF6cFbpw

CPCTC - 2 Column Proofs With Triangles:
https://www.youtube.com/watch?v=eq1frp_ZyP8

Median of a Triangle Formula:
https://www.youtube.com/watch?v=_JdkDR4R8E4

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

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There is far more to 1919-1939 Germany than it simply being a prelude to Hitler’s rise to power. As financial ruin, military defeat, and a humiliating treaty blew in gales, Germans pushed for a republican system of government, and a new constitution to lift them off their knees. It was a period of not only struggle as hyperinflation and reparations cut holes into longcoats, but also of steady recovery as the nation launched itself once more onto the world market, as well as creative ingenuity that would continue to shape our understanding of modernity. Watch the political obstacles that had faced the likes of Ebert and Stresemann, the devastating impact of the Great Depression, and the dramatic dissolution of the republic with all its vibrant cultural iconography.

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

Narrator:

Chris Kane
https://vocalforge.com/

Bibliography

Carsten, Francis Ludwig. Reichswehr Politics.
Clare, John D. “Hyperinflation.” Last accessed 24th June 2022. johndclare.net.
Dickson, Andrew. “Culture in Weimar Germany: on the edge of the volcano.” Last accessed 24th June 2022. Bl.uk.
History.com Editors. “Weimar Republic.” Last modified March 4, 2021. History.com.
Kiger, Patrick J. “The Treaty of Versailles Punished Defeated Germany With These Provisions.” Last accessed 24th June 2022. History.com.
Kirby, G. Hall, Henry Ashby Turner, Kenneth Barkin, John Michael Wallace-Hadrill, Patrick J. Geary, Theodore S. Hamerow, William H. Berentsen, et al. "Germany." Last modified: June 22, 2022. Encyclopedia Britannica.com.
MacGregor, Neil. Germany: Memories of a Nation. London: Allen Lane, 2014.
Rossol, Nadine, and Benjamin Ziemann. The Oxford Handbook of the Weimar Republic. Oxford: Oxford University Press, 2022.
The Editors of Encyclopaedia Britannica. “Treaty of Versailles: 1919.” Last modified June 21, 2022. Encyclopedia Britannica.com. Los Angeles: University of California Press, 1973.
The Editors of Encyclopaedia Britannica. “Weimar Republic.” Last accessed 24th June 2022. Encyclopedia Britannica.com.
Trueman, C. N. “Hyperinflation and Weimar Germany.” Last accessed 24th June, 2022. historylearningsite.co.uk.
US Holocaust Memorial Museum. “German territorial losses, Treaty of Versailles, 1919.” Last accessed 24th June, 2022. encyclopedia.ushmm.org.

At five am on the 3rd of October 1935 Italian forces crossed into Abyssinia, modern day Ethiopia, signalling the start of the Second Italian-Abyssinian War.
The war’s outcome would not only change the face of Africa but the political rifts it caused between the fascist nations and the democratic nations would contribute to the beginning of the most devastating conflict the human race has ever known, the Second World War.


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Credit:
Created by Daniel Turner

Narrator:

Chris Kane
https://vocalforge.com/

Music Credit:

'Arid Foothills- The Dark Contenent'
' 'All This - Scoring Action '
by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/

Sources

https://pastebin.com/atgHfNad

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The Corinthian Helmet is one of the most iconic designs from ancient Greece taking its name from the city-state of Corinth.


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Get the Simple History books on Amazon:

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Credit:
Created by Daniel Turner

Narrator:

Chris Kane
https://vocalforge.com/

Music Credit:
Achilles - Strings by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/



Sources:

Armies of Ancient Greece Circa 500 to 338 BC: History, Organization & Equipment
By Gabriele Esposito

The Battle of Marathon in Scholarship: Research, Theories and Controversies Since 1850 Paperback – 30 May 2014
by Dennis L. Fink

Ballistic Materials and Penetration Mechanics
edited by Roy Laible

Hoplites at War: A Comprehensive Analysis of Heavy Infantry Combat in the Greek World, 750-100 bce
by Paul M. Bardunias (Author), Fred Eugene Ray Jr (Author)

Amandry P., "Casques grecs à décor gravé", Bulletin de Correspondance Hellénique, 1949

Espositio, Gabriel. Armies of Ancient Greece Circa 500 to 338 B.C.: History,Organization, and Equipment.

Learn the letter B with Ollo the Elephant from Khan Academy Kids!

Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade.

Available on Google Play, Apple, and Amazon app stores:
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You can also access other letters of the alphabet on our Letters and Letter Sounds playlist here: http://khan.co/KhanKids-Letters

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Created by Sal Khan.

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Finance and capital markets on Khan Academy: Interest is the basis of modern capital markets. Depending on whether you are lending or borrowing, it can be viewed as a return on an asset (lending) or the cost of capital (borrowing). This tutorial gives an introduction to this fundamental concept, including what it means to compound. It also gives a rule of thumb that might make it easy to do some rough interest calculations in your head.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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Finding the slope of a tangent line to a curve (the derivative). Introduction to Calculus.

Watch the next lesson: https://www.khanacademy.org/math/differential-calculus/taking-derivatives/derivative_intro/v/calculus-derivatives-2?utm_source=YT&utm_medium=Desc&utm_campaign=DifferentialCalculus

Missed the previous lesson?
https://www.khanacademy.org/math/differential-calculus/taking-derivatives/derivative_intro/v/formal-and-alternate-form-of-the-derivative-example-1?utm_source=YT&utm_medium=Desc&utm_campaign=DifferentialCalculus

Differential calculus on Khan Academy: Limit introduction, squeeze theorem, and epsilon-delta definition of limits.

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/algebra/x2f8bb115

Jesse Roe and Sal talk about the difference between equations and functions

Watch the next lesson: https://www.khanacademy.org/math/algebra2/functions_and_graphs/function-introduction/v/relations-and-functions?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Missed the previous lesson?
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Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Algebra II channel:
https://www.youtube.com/channe....l/UCsCA3_VozRtgUT7wW
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/algebra/x2f8bb115

Jesse Roe and Sal talk about the difference between equations and functions

Watch the next lesson: https://www.khanacademy.org/math/algebra2/functions_and_graphs/function-introduction/v/relations-and-functions?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Missed the previous lesson?
https://www.khanacademy.org/math/algebra2/functions_and_graphs/function-introduction/v/what-is-a-function?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Algebra II channel:
https://www.youtube.com/channe....l/UCsCA3_VozRtgUT7wW
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

YAY! It is time to learn about synonyms! Synonyms are fun and easy to learn in this fun learning video! Learn what synonyms are and how they can be spotted!

00:00 Introduction
0:21 What are synonyms?
0:50 Examples of synonyms
1:33 Synonyms that almost have the same meaning
3:06 Quiz

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Thanks for learning with us today! We hope to see you next video!

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Why does superglue always stick to your hands and never what you want it to? Get a little smarter every day with Brilliant. Visit https://brilliant.org/veritasium for a 30-day free trial and 20% off your annual premium subscription.

A heartfelt thank you to Dr. Allison Christy and Dr. John Bobo for their invaluable expertise, fresh perspectives, and explanations.
Thank you to Emily Von Stein and Chris Masahiro at Aron Alpha, Dr. Chantelle Champagne, and Dr. Rohit Gupta for their time and contributions to the initial research that laid the groundwork for this project.

Try Snatoms! A molecular modelling kit I invented where the atoms snap together.
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ANIMATION CORRECTION:
At 4:52, the negative charge should be drawn on the carbon at the end of the chain, not on the second to last carbon. This also holds during the polymerization process (5:15), where the negative charge should move right to the end of the chain.

▀▀▀
0:00 The Invention of Super Glue
2:43 How Does Super Glue Work?
5:38 How To Get Superglue Off Your Skin
8:33 Why Is Super Glue So Strong?
12:00 Why Doesn’t Super Glue Work on plastic?
13:45 Mixing Super Glue and Baking Soda
15:30 Using Super Glue Underwater
15:59 Super Glue On Wounds
19:47 A Solution To Microplastics?

▀▀▀
References and Credits:


Dr. Harry Coover Jr. (Nov 2023) via Sutori - https://ve42.co/sutori
Allison Christy, Closed-loop recyclable plastics from poly(ethyl cyanoacrylate) - https://www.science.org/doi/10.1126/sciadv.adg2295
About Cyanoacrylate Adhesives. via Permabond - https://ve42.co/permab
Kodak Eastman In Wikipedia - https://ve42.co/kodakw
Harry Coover and the Invention of Super Glue. (Mar 2022) via SciHi Blog - https://ve42.co/scihio
Humphrey Sam Samuel (May 2024). Cyanoacrylate Chemistry and Polymerization Mechanisms. - https://ve42.co/pcbioc
Radical polymerization.. In Wikipedia - https://ve42.co/wikira
Overview of materials for Cyanoacrylate Adhesive. via MATWEBb - https://ve42.co/matweb
United States Patent Office: US2776232. (Jan 1957) via US patent office - https://ve42.co/patentb
Medical Grade Cyanoacrylate Adhesive Market Size Growth Report. (Nov 2024) via Linkedin - https://ve42.co/linkpu
Science Channel. (Dec 2017). Think Super Glue Can Lift A Pickup Truck? via Youtube - https://ve42.co/ytbpee
Loctite & Teroson UK. (Apr 2023). Learn How Loctite SF 7452 Can Accelerate Bonding When using Loctite 454 via Youtube - https://ve42.co/loctiteg

Image and Video Credits
LOCTITE® North America. (May 2017). Loctite 4902FL Highly Flexible Cyanoacrylate via Youtube - https://ve42.co/loctitef
The Gorilla Glue Company. (May 2021). How To Use Gorilla Super Glue via Youtube - https://ve42.co/gluehowt
Flex Seal. (Nov 2022). Flex Super Glue Commercial - The Flex Seal Family of Products via Youtube - https://ve42.co/flexglue
ewjxn. (Nov 2020). 1984 Instant Krazy Glue Strong enough to hold this woman TV Commercial.mp4 via Youtube - https://ve42.co/krazyglue
tvdays. (Nov 2007). ELMERS GLUE 1960.mp4 via Youtube - https://ve42.co/elmer
Aron Alpha Industrial Krazy Glue. (Feb 2024). The Leader in High Performance Instant Adhesives via Youtube - https://ve42.co/aronalpha
How researchers turned superglue into a cheap plastic alternative by via fastcompany - https://ve42.co/superplastic
Woman Mistakenly Uses Glue Instead Of Eye Drops by via CBS News - https://ve42.co/eyegludd

Further References: https://ve42.co/refsuperglue


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▀▀▀
Directed by Sulli Yost
Written by Sulli Yost and Derek Muller
Edited by Peter Nelson
Assistant Editor - James Stuart
Illustrated by Jakub Misiek and Caine Esperanza
Animated by Emma Wright, Andrew Neet and Fabio Albertelli
Filmed and demos done by Sulli Yost, Derek Muller and Wylie Overstreet
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Produced by Sulli Yost, Derek Muller, Rob Beasley Spence and Tori Brittain
Thumbnail contributions by Ren Hurley, Peter Sheppard, Ben Powell
Additional video/photos supplied by Getty Images, Storyblocks
Music from Epidemic Sound and Jonny Hyman