Valentine’s Day is a great time to show our loved ones how much we care about them. Cards, chocolates, and roses are the usual gifts on this day. But do you happen to know when and where the first Valentine’s Day celebration took place or who tends to receive the most cards? Do you have any idea how much Americans spend on chocolate gifts?
In this informational video by Kids Academy, you will find answers to all the questions above and will also learn more interesting facts about St. Valentine’s Day. Get ready to show big and small signs of affection to the people you love! Happy Valentine’s Day!

00:00 - Start
00:58 - 1. Valentine’s Day is the 2nd largest holiday for sending greeting cards
01:31 - 2. The most valentines are received by teachers
02:13 - 3. Millions of Valentine’s gifts are for pets
02:53 - 4. Americans spend over 1 billion dollars on chocolates for Valentine’s Day!
03:23 - 5. Millions of roses are grown each year just for Valentine’s Day.
03:54 - 6. The first Valentine’s Day chocolate box was created in the 19th century by Cadbury
04:33 - 7. Conversation heart candy was first created to be used as medicine
05:09 - 8. The heart shape as we know it wasn’t always used as a symbol for love
05:53 - 9. The first Valentine’s Day celebration took place in Paris in 1400.
06:39 - 10. Lovebirds aren’t just a figure of speech; they’re real birds!

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#kidsacademy #LearnWithKidsAcademy #valentinesdayforkids


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Thousands of parents and educators are turning to the kids’ learning app that makes real learning truly fun. Try Kids Academy with
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Letter Z Phonics for Kids Learn the Alphabet Kids Academy

Install now Kids Academy Talented & Gifted: https://smart.link/5d9b5460c7805

Learning the alphabet is the foundation for phonics instruction and reading success. A young child faces a challenging task of learning the names of 26 capital and lowercase letters and each letter’s sound, or in some cases, more than one sound.

Also, factor in naming which letters are vowels and which letters are consonants and the task is even more challenging for young learners. Parents and teachers often question how to learn the alphabet in the best way. Children benefit and learn best when different materials and activities are used to present letters and sounds. Instructional videos can reinforce and provide enrichment activities when learning the alphabet.


The letter Z is a very fun letter to learn about. The letter’s sound is fun to learn because it is easier to distinguish between other letter sounds This video presents the letter Z and teaches the sound of Z. At the beginning of the video, the letter Z appears on the screen. Then the video voiceover enunciates the letter Z sound three times and then asks the viewer to say the sound of letter z.

The viewer is then shown the words zipper, zebra and zoo. These are word examples that young children are familiar with and now associate with the letter Z. The Z sound is pronounced when the word appears. The video length is excellent in that it is long enough to teach the letter Z and it’s sound, while not being too long so that a young child loses interest. The video’s animation of the zipper, zebra, and zoo appeals to young learners and is visually inviting.

Using instructional videos when helping children with how to learn the alphabet is fun and provides additional visual and auditory learning experiences for young children. Learning letter Z and other letters are easier and more interesting with different ways of learning the alphabet.


#letterz #kidsacademy #thealphabet

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It's Kids Academy, and welcome back to our channel! In this video, you will see how to use educational worksheets for kids that help them start their learning journey! Here you will find a range of activities on learning word families and also you will learn what plants need to grow. It's ideal for preschool and kindergarten. Enjoy your viewing!
Try Kids Academy now! Enjoy our special Cyber Week offer. The price was 75% higher! https://clck.ru/YuJaw

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Video for kids to learn the vowels. They will learn their sounds in a fun way the way to write the letter and learn words that use the vowels.

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Check out or friends from Two Cents for more great videos about money and finance! https://www.youtube.com/channe....l/UCL8w_A8p8P1HWI3k6

Money. We all use it. But is it real? I mean, you can touch a coin or bill, but who decided that’s worth anything? And what about all those 1’s and 0’s getting swapped and traded by computers thousands of times per second? How are those worth anything? We trace the history of money, from physical barter to bitcoin, and discover that money isn’t just a lie we all agree to share, it’s been built on the back of technology and invention for millennia.

References: https://sites.google.com/view/....invention-of-money-r

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This chemistry video tutorial provides a basic introduction into oxidation reduction reactions also known as redox reactions. This video explains how to identify the substance that is oxidized and reduced. In addition, it explains how to determine which compound or element is the reducing agent and which is the oxidizing agent. Combustion reactions and single replacement reactions are always redox reactions. Double replacement reactions such as precipitation reactions and acid base neutralization reactions are never redox reactions. Combination / Synthesis and Decomposition reactions may or may not be redox reactions.

Stoichiometry Practice Test:
https://www.youtube.com/watch?v=mP2Yg8alyR0

Solute, Solvent, & Solution:
https://www.youtube.com/watch?v=MDHlaTHbEgM

Strong & Weak Electrolytes:
https://www.youtube.com/watch?v=2U2DBWWo6nc

Molarity Practice Problems:
https://www.youtube.com/watch?v=o_iETsDSvkg

Ion Concentration In Solutions:
https://www.youtube.com/watch?v=H5S4TRAzXhQ

Dilution Problems:
https://www.youtube.com/watch?v=FPidlCmymVg

___________________________________
Types of Chemical Reactions:
https://www.youtube.com/watch?v=iIJD8RNLpS0

Solubility Rules:
https://www.youtube.com/watch?v=LnGIKtx_udE

Predicting The Products of Reactions:
https://www.youtube.com/watch?v=MYmrWHzT1oI

Activity Series of Metals:
https://www.youtube.com/watch?v=VatDpKMJ-BU

Will This Reaction Occur?
https://www.youtube.com/watch?v=ACSKrg2RBmY

Predicting Products of SR Reactions:
https://www.youtube.com/watch?v=s4OFBa7Uans

___________________________________
Double Replacement Reactions:
https://www.youtube.com/watch?v=d8vWIGf2mGE

Net Ionic Equations:
https://www.youtube.com/watch?v=0jhNouV9TNo

Writing Chemical Equations From Words:
https://www.youtube.com/watch?v=npyvZSBqyc0

Solution Stoichiometry:
https://www.youtube.com/watch?v=Ab3wfKjaWWQ

Molarity & Dilution Problems:
https://www.youtube.com/watch?v=-4E6rOkiw2I

Acid Base Neutralization Reactions:
https://www.youtube.com/watch?v=UfTJrAPjeys

____________________________________
Acid Base Titration Problems:
https://www.youtube.com/watch?v=HJvALCcKYAc

Mixture Problems:
https://www.youtube.com/watch?v=e2FAAMlAJ3c

Calculating Oxidation Numbers:
https://www.youtube.com/watch?v=j0hI-a6EWWo

Oxidation and Reduction Reactions:
https://www.youtube.com/watch?v=dF5lB7gRtcA

Balancing Redox Reactions:
https://www.youtube.com/watch?v=fdbrhQAM9Gw

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

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

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

This Algebra video tutorial provides a basic introduction into linear equations. It discusses the three forms of a linear equation - the point slope form, the slope intercept form, and the standard form of the equation. This video explains how to calculate the slope of a line that passes through two points and how to graph a linear equation in all 3 forms. This video also discusses parallel and perpendicular lines. It contains plenty of examples and practice problems.


Full 1 Hour 30 Minute Video on YouTube: https://www.youtube.com/watch?v=mdIPPV5WFhs
Get The Full 1 Hour 30 Minute Video: https://www.patreon.com/MathScienceTutor
Direct Link to The Full Video: https://bit.ly/3DxaIWU
_______________________________________________________________________________________________
Algebra For Beginners: https://www.youtube.com/watch?v=MHeirBPOI6w
Chemistry For Beginners: https://www.youtube.com/watch?v=-KfG8kH-r3Y
Physics For Beginners: https://www.youtube.com/watch?v=b1t41Q3xRM8
_______________________________________________________________________________________________
Basic Math Review: https://www.youtube.com/watch?v=T_6Mq6PWoGc
Long Division: https://www.youtube.com/watch?v=GiiuZ8sfw00
Order of Operations: https://www.youtube.com/watch?v=saTBf8AO4Ok
How To Evaluate Algebraic Expressions: https://www.youtube.com/watch?v=-VCUcRtQjx8
Percentages Made Easy: https://www.youtube.com/watch?v=WYWPuG-8U5Q
Fractions - Basic Introduction: https://www.youtube.com/watch?v=GvLIEiqxS6s
______________________________________________________________________________________________
How To Solve Linear Equations: https://www.youtube.com/watch?v=7DPWeBszNSM
Solving Linear Equations - More Problems: https://www.youtube.com/watch?v=Z-ZkmpQBIFo
Translating Words to Algebraic Expressions: https://www.youtube.com/watch?v=QEnFIgN8UBw
Graphing Ordered Pairs: https://www.youtube.com/watch?v=yaOf7ioCgFQ
How To Find The Slope of a Line: https://www.youtube.com/watch?v=jlkE4VCnhdE
Finding The Slope Given 2 Points: https://www.youtube.com/watch?v=Id_UqMLAXzY
Undefined Slope: https://www.youtube.com/watch?v=4eYlTOy-IXw
Slope-Intercept Form: https://www.youtube.com/watch?v=qXX47hS2KLw
How To Find the X and Y Intercepts: https://www.youtube.com/watch?v=zL1E5w2sMxc
Point-Slope Form: https://www.youtube.com/watch?v=yoHs1h5qtuQ
_____________________________________________________________________________________________
Graphing Equations In Point Slope Form: https://www.youtube.com/watch?v=XzG-fi__hsU
Writing Equations Given a Point & Slope: https://www.youtube.com/watch?v=Ms5ojdI6UuM
Writing Linear Equations Given 2 Points: https://www.youtube.com/watch?v=lzqTD0JWwhY
Writing Linear Equations From Graphs: https://www.youtube.com/watch?v=JaX_dIDUYBg
Finding The Point of Intersection: https://www.youtube.com/watch?v=R0bGxNzgL2o
Writing Equations Given X & Y Intercepts: https://www.youtube.com/watch?v=ri1bagtR08A
Parallel and Perpendicular Lines: https://www.youtube.com/watch?v=Uq8pSFaXPmQ
Writing Equations of Perpendicular Lines: https://www.youtube.com/watch?v=Nj6OKT-zKWg
Linear Equations - Test Review: https://www.youtube.com/watch?v=Ft2_QtXAnh8
______________________________________________________________________________________________
Factoring Trinomials & Polynomials: https://www.youtube.com/watch?v=9MUDAr1PnlE
Systems of Equations: https://www.youtube.com/watch?v=oKqtgz2eo-Y
Solving Quadratic Equations By Factoring: https://www.youtube.com/watch?v=qeByhTF8WEw
Simplifying Rational Expressions: https://www.youtube.com/watch?v=uVpsz-xpnPo
Simplifying Radical Expressions: https://www.youtube.com/watch?v=Llrngdh3Rrg
Imaginary Numbers: https://www.youtube.com/watch?v=vRJqPo_zcnQ
Logarithms: https://www.youtube.com/watch?v=kqVpPSzkTYA
Solving Exponential Equations: https://www.youtube.com/watch?v=9tutJ5xrRwg
Conic Sections: https://www.youtube.com/watch?v=YWHyovdHqkg

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Nothing is guaranteed in life except death, taxes, and entropy. What do other life forms have to teach us about staying alive as we get old, and will we ever conquer death?

REFERENCES:

Arias, E. et al. (2013). United States life tables eliminating certain causes of death, 1999–2001. National Vital Statistics Reports 61(9)

De Cecco, M. et al. (2013). Transposable elements become active and mobile in the genomes of aging mammalian somatic tissues. Aging 5(12): 867–883. DOI: 10.18632/aging.100621

Hayflick, L. (2016). Unlike aging, longevity is sexually determined. In Handbook of theories of aging, 3rd ed. (pp. 31-52). New York, NY, Springer.

Hayflick, L. (UCSF School of Medicine). Interview.

Klapper, W. et al. (1998). Longevity of lobsters is linked to ubiquitous telomerase expression. FEBS Letters 439: 143-146

Martinez, D.E. (1998). Mortality patterns suggest lack of senescence in hydra. Experimental Gerontology 33(3): 217–225

Reilly, M.T. et al. (2013). The role of transposable elements in health and diseases of
the central nervous system. The Journal of Neuroscience 33(45): 17577–17586

Roth, A.W. and Polotsky, A.J. (2012). Can we live longer by eating less? A review of caloric restriction and longevity. Maturitas 71: 315–319

Sturm, A. et al. (2015). The mechanism of ageing: primary role of transposable elements in genome disintegration. Cell. Mol. Life Sci. 72:1839–1847

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Educational video for children that talks about the fourth of the Sustainable Development Goals (SDGs): the goal of quality education. Education is the process by which people gain access to knowledge. This is what allows us to better understand our communities’ values and culture, build social skills, and get necessary training to perform different jobs. All these things make quality education extremely important for a fulfilling and independent life. That is why it is a basic right for children, adolescents and adults all over the world. This is also why it is the fourth sustainable development goal to ensure that this right is respected and that children, adolescents and adults have access to the education system. According to data from the United Nations, more than 260 million children in the world are not attending school, or rather, they cannot go to school. Sometimes this happens when children live far away from their schools and have to travel very long distances every day to go to school. Poverty is also a factor that limits access to education. Many children have to start working when they are very young in order to help their families economically, and this situation causes them to leave school before they finish their studies. Another reason that prevents access to the education system is the armed conflict or war situations that are occurring in some countries around the world.

This video is a very useful and interesting resource for children. It is perfect for teaching what the Sustainable Development Goals are and is an excellent video for primary education.

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If you like our videos, download Smile and Learn now. You’ll discover thousands of activities for children aged 3 to 12 years, all designed by educators. We have hundreds of games, interactive stories and videos in five languages: English, Spanish, Portuguese, Italian, Turkish and French. Try a month for free and start the adventure!

www.smileandlearn.com

Educational video for kids to learn about the different types of tools. In this first of three videos, children will learn what a saw, hammer, screw, nail, ladder, ladder, bucket, drill, nut, awl and toolbox are. Excellent resource for early childhood education.

Thanks for visiting us! If you want your children to smile and learn, subscribe! :D

We only upload our own content, designed by educators so that children smile and learn while watching a video.

All of our content reinforces educational values, encouraging the use of multiple intelligences and language learning.

If you like our videos, download Smile and Learn now. You’ll discover more than 5.000 activities for children aged 3 to 12 yeards, all designed by educators. We have 250 games and interactive stories and over 280 videos in five languages: English, Spanish, Portuguese, Italian and French. Try a month for free and start the adventure!

This video provides a basic introduction into acids and bases with reference to organic chemistry. It explains how to write acid base reactions as well as how to determine the conjugate acid and the conjugate base. It covers the brownsted lowry definition of acids and bases as well as the lewis version. This video also explains how to determine if an acid base reaction is product favored or reactant favored.

Access The Full 1 Hour 20 Minute Video:
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Organic Chemistry PDF Worksheets:
https://www.video-tutor.net/orgo-chem.html

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Why is it hard to move a heavy bookcase across a carpeted floor? And why is it easier to keep it moving than it was to get it started moving? You might think it's all about weight, but actually it's about friction. Two kinds of friction! In today's episode of Crash Course Physics, Shini Somara tells us about Static and Kinetic friction; how they work and how they're different.


***

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios


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:

Mark, Eric Kitchen, Jessica Wode, Jeffrey Thompson, Steve Marshall, Moritz Schmidt, Robert Kunz, Tim Curwick, Jason A Saslow, SR Foxley, Elliot Beter, Jacob Ash, Christian, Jan Schmid, Jirat, Christy Huddleston, Daniel Baulig, Chris Peters, Anna-Ester Volozh, Ian Dundore, Caleb Weeks


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This physics video tutorial provides a basic introduction into kinetic friction and static friction. It contains plenty of examples and physics problems that asks you to calculate the acceleration using newton's laws of motion. The static frictional force is equal to the applied force up to a maximum value. The kinetic friction force is a constant value that depends on the interaction between the horizontal surface and the object. All frictional forces is dependent on the normal of the object. You should draw a free body diagram for each practice problem if you wish to make it a lot easier.

Full 1 Hour 16 Minute Video:
https://www.patreon.com/MathScienceTutor

Direct Link to The Full Video:
https://bit.ly/3idAQ30

PDF Worksheet - 12 Problems:
https://bit.ly/3ZdGKSA

Physics PDF Worksheets:
https://www.video-tutor.net/ph....ysics-basic-introduc

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Full 1 Hour 16 Minute Video:
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WSJ’s Kate Clark demonstrates how Anthropic’s new Cowork tool can help non-coders automate their lives–or at least attempt to.

#Claude #AI #WSJ

This Calculus 3 video tutorial explains how to find the distance between a point and a plane using the dot product formula and scalar projections of vectors.

Area - Vector Cross Product: https://www.youtube.com/watch?v=YbZmAqGUkqc

Triple Scalar Product:
https://www.youtube.com/watch?v=6NeAK0rJwlk

Vector Equations of Lines:
https://www.youtube.com/watch?v=MkjazYnvNP8

The Equation of a Plane:
https://www.youtube.com/watch?v=2sZKZHyaQJ8

Planar Equation - 3 Points:
https://www.youtube.com/watch?v=rL9UXzZYYo4

_______________________________
Lines & Planes - Intersection:
https://www.youtube.com/watch?v=_W3aVWsMp14

Angle Between Two Planes:
https://www.youtube.com/watch?v=7G07dPSlWbY

Distance Between Point and Plane:
https://www.youtube.com/watch?v=zWMTTRJ0l4w

Chain Rule - Partial Derivatives:
https://www.youtube.com/watch?v=XipB_uEexF0

Implicit Partial Differentiation:
https://www.youtube.com/watch?v=OBELQIPH5xY

________________________________
Directional Derivatives:
https://www.youtube.com/watch?v=CnVes9TdnPo

Limits of Multivariable Functions:
https://www.youtube.com/watch?v=E1lMMBpz8YM

Double Integrals:
https://www.youtube.com/watch?v=BJ_0FURo9RE

Local Extrema & Critical Points:
https://www.youtube.com/watch?v=UID893EosM8

Absolute Extrema - Max & Min:
https://www.youtube.com/watch?v=Hg38kfK5w4E

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

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

This video explains what is electric potential difference. It also explains how to determine the direction of electric current flow in a resistor using the electric potential values across a resistor. It also explains how to determine the amount of current flowing in a resistor using voltage and ohm's law.

Electric Current In Circuits:
https://www.youtube.com/watch?v=r-SCyD7f_zI

The Electric Battery:
https://www.youtube.com/watch?v=xrf6I_5vX64

Ohm's Law Problems:
https://www.youtube.com/watch?v=NxxNu9Cek1E

Resistance and Resistivity:
https://www.youtube.com/watch?v=PIJTu8z0-_U

Resistor Color Code:
https://www.youtube.com/watch?v=G1mZutobxDU

______________________________
Internal Resistance of a Battery:
https://www.youtube.com/watch?v=R1QN_0fcZ_8

Electromotive Force of a Battery:
https://www.youtube.com/watch?v=k077CwKGiwk

Drift Velocity and Current Density:
https://www.youtube.com/watch?v=KiTkSZy79cw

Potential Difference Between Two Points:
https://www.youtube.com/watch?v=vcbkvYDP5a8

Alternating Current Vs Direct Current:
https://www.youtube.com/watch?v=ERIToctYUcQ

______________________________
Schematic Diagrams & Symbols:
https://www.youtube.com/watch?v=Dl1gFBNa0Ik

Open, Closed, and Short Circuits:
https://www.youtube.com/watch?v=v5RJf_V0LYA

Resistors In Series:
https://www.youtube.com/watch?v=9z53qVQjasU

Resistors In Parallel:
https://www.youtube.com/watch?v=SYrOiQs3X2U

Physics PDF Worksheets:
https://www.video-tutor.net/ph....ysics-basic-introduc

In this episode of Crash Course Psychology, Hank talks about these things called "Emotions". What are they? And why do we need them?

Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!

--
Chapters:
Introduction: Emotions 00:00
Theories on Emotions 2:11
Cognition & Emotion 3:35
The Spillover Effect 4:22
Top-Down vs Bottom-Up Approaches to Cognitive Processing 6:09
The Autonomic Nervous System 8:10
Optimal Arousal 8:39
Review & Credits 10:03
--
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In which John Green teaches you how the Civil War played a large part in making the United States the country that it is today. He covers some of the key ways in which Abraham Lincoln influenced the outcome of the war, and how the lack of foreign intervention also helped the Union win the war. John also covers the technology that made the Civil War different than previous wars. New weapons helped to influence the outcomes of battles, but photography influenced how the public at large perceived the war. In addition, John gets into the long-term effects of the war, including the federalization and unification of the United States. All this plus homesteading, land grant universities, railroads, federal currency, and taxes.

Check out the US National Archives Flickr. They have an awesome collection of Matthew Brady Civil War photography here: http://www.flickr.com/photos/u....snationalarchives/co

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 most influential moments of the Civil War was when President Lincoln issued the Emancipation Proclamation: https://www.commonlit.org/text....s/the-emancipation-p
However, Lincoln faced a long and difficult road before abolishing slavery, as seen in his relationship with Frederick Douglass: https://www.commonlit.org/text....s/abolishing-slavery
When President Lincoln was assassinated, the nation grieved and pondered how it would recover from the Civil War: https://www.commonlit.org/text....s/o-captain-my-capta

Learn more about the Civil War, Frederick Douglass, and more in Crash Course Black American History:
Frederick Douglass (#17): https://www.youtube.com/watch?v=7QOTexnD-NE
Black Americans in the Civil War (#18): https://www.youtube.com/watch?v=_NgdnsjPFNE

Chapters:
Introduction 00:00
Did Lincoln Free the Slaves? 0:59
How Some Slaves Freed Themselves 1:55
Why Lincoln Signed the Emancipation Proclamation 2:41
The Gettysburg Address 4:20
The First Modern War 5:01
Mystery Document 6:04
Matthew Brady - Civil War Photographer 6:26
A New Nation 7:01
The Homestead Act, Morrill Land Grant Act, and Pacific Railway Act 8:16
Financing the Civil War 8:54
Post-War Industrialization 9:37
Credits 10:21

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

Want to find Crash Course elsewhere on the internet?
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CC Kids: http://www.youtube.com/crashcoursekids

In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar activity and volcanic eruptions. The Little Ice Age greatly impacted human social orders, especially during the 17th century. When the climate changed, and the weather became unpredictable, the world changed profoundly. Poor harvests led to hunger, which led to even less productivity, which even resulted in violent upheaval in a lot of places. All this from a little change in the temperature? Definitely.

Reference:
Global Crisis by Geoffrey Parker: https://bit.ly/3M99AvQ

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

Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashCourse
Twitter - http://www.twitter.com/TheCrashCourse
Instagram - https://www.instagram.com/thecrashcourse/

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