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What are you waiting for? Have you ever wondered why sea water is salty? 🌊🚰
When you're at the beach and in the sea... why is it so salty!?
IT'S EASY PEASY! 😉😉
💭When was the last time you went in the Sea?
👇 Let us know in the comments below

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Recommended video: OCEAN CONTAMINATION: Can we put a stop to it?
https://youtu.be/q0YrBApHDak
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Why is seawater salty?
Hello Happy Friends!
Are you ready to learn?
I’m Sarah, and today, I want to solve a question I’m always asking myself… and I’m sure that you’ve asked yourselves about it too!
Have you ever wondered, why seawater is salty?
Oceans and seas, were formed thousands of years ago
because of rainwater
But…
Why is seawater salty, if rainwater and volcano vapour don’t taste to anything?
They are, insipid!
That’s because rivers, reach the sea,
and these rivers contain mixed mineral salts dissolved in their waters.
As you already know, though the water cycle, water from the sea is evaporated because of the sun’s heat.
But not all the mineral salts that come from rivers are evaporated,
so they are accumulated in large amounts within the sea’s waters.
This is the reason why marine water, sea water has such an intense taste.
Seawater isn’t pure water, it’s a mix.
It’s a dissolution of water and mineral salts.
So that means it’s not safe to drink, it’s not drinking water.
The sea, is crucial for our planet.
That’s why we need to take care of it. It’s home to many amazing animals, like these!
And it lets us do really cool things like…
play with our friends sonreír surf
or enjoy a sailboat ride at sunset.
Goodbye happy friends!
I hope you’re always ready to learn!
Goodbye!

Welcome to Circle Time! Join the Khan Academy Kids crew for a special episode about the Olympic spirit. Start by reading The Best by Cynthia Platt, and learn about the difference between being competitive and doing your personal best. Then, talk with Sophie about the Olympic Games, and watch her make an Olympic torch out of paper. Kids will love it when Sophie steps outside to create her own Olympic activities at home.

Remember to subscribe to Circle Time to be reminded of our new shows!

We love sharing artwork during Show & Tell. If you or your child would like to be a guest on Circle Time, please send your submissions to our team here: http://khan.co/KhanKids-SubmitYourArt.

Learn more about Khan Academy Kids, our free educational app for children ages 2-8, at http://www.khankids.org.

Available on Apple, Google Play, and Amazon app stores:

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Subscribe to our channel so you don’t miss a single resource from Khan Academy Kids, and access all of our Circle Time videos on our Circle Time Playlist! http://khan.co/KhanKids-CircleTimePlaylist.

Practice Your Spanish With Chateo - a Spanish-speaking chatbot! | Get a discount off your first 6 months with code CHATEOBOT | Sign up at: https://www.senorjordan.com/chat
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¡Hola mis alumnos cibernéticos! In this video lesson, we're practicing some of the vocabulary from the previous video on "la casa" (the house) and we're adding in the present tense of the verb vivir (to live). I hope you enjoy it!

Rate this video if it was helpful. Also feel free to leave any questions, comments or suggestions about this video below.

For more Spanish video lesson, word banks, verb conjugation sheets and more, check out http://www.senorjordan.com

¡Gracias!

All pictures in this video are royalty free either from:
• my drawing skills,
• http://www.freerangestock.com/ , or
• http://office.microsoft.com/en-us/images/?CTT=97

Originally created as a way to help teachers save trips to the copy machine, Google Classroom has continuously worked with schools to meet their changing needs. It’s no longer just about saving time, but also about creating more of it — by helping educators extend their impact. Learn more about Classroom's journey and exciting new features: https://goo.gle/46wvLHM

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id you know that water never disappears? 💧 In this fun and easy-to-understand video, we explain how the water cycle works, from evaporation to precipitation and infiltration. 🌦️

Learn how water travels around the Earth and why it’s so essential for all living beings! 🌱

👉 Watch the video until the end, subscribe to Happy Learning, and discover more about science, nature, and our planet! 🌍✨


More related videos:

Curiosities for kids:https://www.youtube.com/playli....st?list=PLLF_mZmNqOn


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One mental health expert likens a student suicide to a bomb going off in the school. Those closest to the student are most directly affected, but the impact can impact the entire student body, even those who didn’t know the student well. It’s critical that schools respond in the correct way, both to help students and staff heal, and to prevent additional suicides. Schools have to walk a fine line between not glamorizing the death, but not ignoring it either. They need to provide opportunities for students and staff to grieve and receive counseling. We talk with mental health professionals about how schools should respond. The American Foundation for Suicide Prevention also has a comprehensive toolkit for schools to help them react quickly and appropriately. https://bit.ly/2pq1B3h

If you are in crisis, please call the National Suicide Prevention Lifeline 1-800-273-TALK (8255) or contact the Crisis Text Line: by texting TALK to 741741

Learn More:
A High School Confronts Suicide Prevention Head-On
https://video.edweek.org/detai....l/videos/carousel-vi



What Educators Need to Know About Suicide: Contagion, Complicated Grief, and Supportive Conversations:
https://blogs.edweek.org/edwee....k/rulesforengagement

We hope you are enjoying our large selection of engaging core & elective K-12 learning videos. New videos are added all the time - make sure you come back often to learn more! If you'd like us to cover any additional topics, please let us know. For practice, assessment, and many interactive activities that go along with each video, as well as a teacher/parent dashboard, go to Miacademy.co for Grades K-8 or Miaprep.com for grades 9-12!

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In this tutorial I explain the super easy concept of touch math. I explain how it's used to add and subtract numbers which keeps you from counting on your fingers. Remember where the dots are so the next time you see a number, you’ll only see dots.

You can download notes from this tutorial and practice problems at:
https://www.neenareedknows.com/

Practice Your Spanish With Chateo - a Spanish-speaking chatbot! | Get a discount off your first 6 months with code CHATEOBOT | Sign up at: https://www.senorjordan.com/chat
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This video covers another verb irregular in the preterite: poder (to be able, can).
This verb is most popular with my students in such present tense phrases as '¿Puedo ir al baño?' (Can I go to the bathroom?) o '¿Puedo ir a la fuente de agua?' (Can I go to the water fountain?). But of course those aren't really useful in this video since we're going over the preterite (a past tense) of poder.

Thanks for watching! Enjoy

Rate this video if it was helpful!

Let me know if you have any questions, comments, or suggestions about this video!


For more free Spanish video lessons, word banks and verb conjugation charts, visit http://www.senorjordan.com

In which John Green teaches you about Hamlet, William Shakespeare's longest and most-performed play. People love Hamlet. The play that is, not necessarily the character. Hamlet is a Tragedy with a capital T (I guess I don't have to point that out since you can see clearly in the text that the T was capitalized). By Tragedy, I mean virtually everyone dies at the end. John will talk a little bit about the history of the play and the different versions of it that have appeared in the centuries since it was written. You'll also learn about some of the big themes in the play, get a brief plot overview, and the all-important connections between Prince Hamlet and Simba, the Lion King. Seriously though, The Lion King is totally just a Hamlet musical with animals instead of people.

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The Principal Recovery Network is a club that no school leader wants to join. Yet when its members meet, they greet and joke with each other like family.

“If people saw us together, and if they knew why we gather, they’d think there’s something wrong with us,” quipped Andy McGill, the assistant principal at the rural West Liberty-Salem High School in West Liberty, Ohio.

In 2019, McGill came together with 21 other educators to form the PRN, a support and advocacy group for current and former school leaders who’ve survived and led their schools through the aftermath of a violent incident like a shooting.

Here, some of those school leaders discuss their experiences and their work as part of the PRN.

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Please SUBSCRIBE to our channel, LIKE, and SHARE to encourage us to share more useful and interesting knowledge.
請訂閱我們的頻道、點讚、分享，鼓勵我們分享更多有用又有趣的知識。
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歡迎觀看我們所創作的的其他影片
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https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

2) Grammar 語法
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

3）English Speaking
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4）Funny Jokes 笑話
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5）Vocabulary 詞彙
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6）English Idioms 英語成語
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7）Revision Exercise 重温練習
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8）Fun Games 趣遊戲味
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10）Writing a composition 作文
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Students learn about the concept of pushing, as well as the relationship between force and mass. Students practice measurement skills using pan scales and rulers to make predictions about mass and distance. A LEGO® MINDSTORMS® robot is used to test their hypotheses. By the end of the activity, students have a better understanding of robotics, mass and friction and the concept of predicting.

View the full activity on TeachEngineering:
https://www.teachengineering.o....rg/activities/view/n

TeachEngineering has over 1,500 FREE lessons and activities. Visit https://www.teachengineering.org/ for more

Music: Dream of a Day

As childhood obesity soars among low-income communities with limited access to fresh produce, some educators in Colorado are combating the problem by joining the farm-to-preschool movement. Now these preschoolers are learning their ABCs while picking veggies from the school garden and preparing healthy meals.

PBS NewsHour Special Correspondent Cat Wise reports.
Read more:
Leaders To Learn From: Bertrand Weber
https://www.youtube.com/watch?v=NSsOAtSZMmA

Farm to Turntable: Career-Tech in Action at Cleveland Boys & Girls Club

http://blogs.edweek.org/edweek..../campaign-k-12/2016/

NEW VIDEOS https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
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0:00 - Introduction
0:11 - Polyhedrons
3:27 - Length and the Meter
6:56 - The Circle and the Circumference

🔺🔶 What are polyhedra and how are they classified? In this educational video for kids, you’ll learn to identify 3D geometric shapes with flat faces, like cubes, pyramids, and prisms. You’ll also discover their parts: faces, edges, and vertices, as well as the difference between regular and irregular polyhedra. 📐📦

In Primary School, the subject of Mathematics focuses on developing five key senses: the numerical sense, to work with numbers and operations; the measurement sense, to measure and compare magnitudes; the spatial sense, to understand geometric figures and their properties; the algebraic sense, to identify patterns and use symbols; and the stochastic sense, to interpret data and probabilities. Additionally, the socio-affective sense encourages a positive attitude toward mathematics.

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➕✖️ MATH for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
🤴🏰 HISTORY for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
🌍⛰️ GEOGRAPHY for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
🤝😊 Values and Emotions for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn v=KkCIIQyevjo&list=PL_Y3qbepMRoY7gwuwniiq11oMo6Ofe724

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Comment tracer la courbe représentative d'une fonction polynomiale sur Geogebra pour préparer des exercices sur les fonctions.
Site : https://juliettehernando.com
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En esa nueva clase de español podrás aprender 15 verbos importantes en Español y sus conjugaciones en tiempo presente y pretérito perfecto compuesto y pretérito perfecto simple.

Veamos primero la diferencia entre los dos pretéritos:

Pretérito perfecto simple: Expresa una acción que ya sucedió y que para el momento actual ya ha terminado.

Algunos verbos del vídeo conjugados en pretérito perfecto simple:

Fui feliz.
Tuve un perro.
Toqué la guitarra.
Compré en el supermercado.
Me senté en la silla.
Limpié el coche.
Abrí el regalo.
Leí un libro.
Conduje mi coche hasta la playa.
Me bebí un té.



Pretérito perfecto compuesto: Es un tiempo verbal en el pasado, que se forma con un verbo auxiliar, que siempre es el verbo "haber"

Yo he
Tu has
El, ella, usted ha
Nosotros hemos
Vosotros habéis
Ellos, ellas, ustedes, han

Algunos verbos del vídeo conjugados en pretérito perfecto compuesto:

He sido feliz.
He tenido un perro.
He tocado la guitarra.
He comprado en el supermercado.
Me he sentado en la silla.
He limpiado el coche.
He abierto el regalo.
He leído un libro.
He conducido mi coche hasta la playa.
He volado en avión para venir a las islas Canarias.


El tiempo presente, el más sencillo, es una acción que esta sucediendo en este momento:

Algunos ejemplos de verbos en tiempo presente del vídeo:

Soy feliz.
Tengo un perro.
Toco la guitarra.
Compro en el supermercado.
Me siento en la silla.
Limpio el coche.
Abro el regalo.
Leo un libro.
Conduzco mi coche hasta la playa.
Me bebo un té.


En nuestro canal encontrarás un curso completo y gratuito de español (español como lengua extranjera) para principiantes y avanzados. En los vídeos aprenderás español a través de imágenes, diálogos, escuchar y hablar español.

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Clase 158

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It’s been estimated that 1 in 10 works of fine art are forged or misattributed. The truth is, no one really knows how much fake art is out there, because many art counterfeiters are so skilled that their paintings are almost indistinguishable from the real works. But even counterfeiters can’t beat physics! From atomic bomb remnants to ancient atoms, here’s some of the amazing ways that science can detect fake art.

SOURCES:

“The Scientist and the Forger: Insights into the Scientific Detection of Forgery in Paintings” by Jehane Ragai (2015)

Ragai, J. (2013). The Scientific Detection of Forgery in Paintings. Proceedings of the American Philosophical Society, 157(2), 164-175

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In this video, we'll break down how to write perfect prompts in chatgpt to get perfect results time after time. We'll explore the basics of prompt engineering — what makes a prompt effective, and how subtle changes in your phrasing can yield significantly different outcomes. Understanding the nuances of natural language processing and how ChatGPT interprets your input is crucial for fine-tuning your results. And I'll also show you Chatgpt tips & tricks in 2023 after the hype.

This video is sponsored by Brilliant.

Basic math skills question - order of operations, pemdas, number operations, fractions.

TabletClass Math Academy - https://TCMathAcademy.com/
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Geometry
https://tabletclass-academy.te....achable.com/p/tablet

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