When you think of Halloween, do you ever think of Ireland? Well, turns out, most of our Halloween traditions, including the name, come from the Celts! Dressing up in disguises is all thanks to the Samhein festival. Even our tradition of pumpkin carving originated from an Irish folk tale.

https://learnbright.org/lesson....s/social-studies/his

We hope you and your student(s) enjoyed learning about where this fun holiday actually came from! If you want even more information on other holidays, head over to our website and download one of our many free lesson plans, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/social-studies/wha
https://learnbright.org/lesson....s/social-studies/wha
https://learnbright.org/lesson....s/social-studies/wha
https://learnbright.org/lesson....s/social-studies/wha
https://learnbright.org/lesson....s/social-studies/tha

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

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Browse our entire collection of Social Studies lesson plans: https://learnbright.org/lessons/?filter_subject=social-studies

#Halloween
#HalloweenHistory

Cells must move all types of objects into and out of a cell. Large molecules like proteins, ions and polar molecules like water can be difficult.
Facilitated diffusion helps move these molecules into the cell.

Picture Facilitated Diffusion
https://commons.wikimedia.org/....wiki/File:0306_Facil
Picture Aquaporin
https://en.wikipedia.org/wiki/....Aquaporin#/media/Fil

Transcript
http://www.moomoomathblog.com/....2020/10/how-does-wat

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

In this video we will learn how to compare and contrast or find similarities or differences between almost any object. Apples and Oranges or Boys and Girls we can compare and contrast almost anything.

Looking for more comparing and contrasting resources? We have many FREE comparing/contrast lesson plans from books and genres, to characters and stories. Download the lesson that fits your needs here: https://learnbright.org/?s=contrast

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

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Website: https://learnbright.org/

*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 Language Arts lesson plans: https://learnbright.org/lessons/?filter_subject=language-arts

#ASL
#Compare
#Contrast

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Welcome to watch our videos
歡迎觀看我們所創作的的其他影片
1）Basic Conversation 會話
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
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

4）Funny Jokes 笑話
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

5）Vocabulary 詞彙
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

6）English Idioms 英語成語
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

7）Revision Exercise 重温練習
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

8）Fun Games 趣遊戲味
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

9） Tongue Twister 繞口令
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

10）Writing a composition 作文
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

http://www.The-Mathematics-Wor....kshop.com/maths-tuto

If you struggle with Fractions then it could be because you don't understand the meaning of Numerator and Denominator in Fractions.

Both of these numbers mean different things in a Simple Fraction and if you really want to understand Fractions then you must learn their meaning.

This lesson explains the meaning of Numerator and Denominator in a Simple Fraction and once you get it you find that the rest of Fractions starts to make a lot more sense.

http://www.youtube.com/watch#!v=Kz26mW6CQ3Q

Reya and Goat are having fun in the snow! The letters "o" and "a" team up to make the long /ō/ sound. The letters "o" and "w" team up to make the long /ō/ sound too. Learn about vowel teams with Reya the Red Panda 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:
➡️ http://khan.co/KhanKids-YT-Google
➡️ http://khan.co/KhanKids-YT-Apple
➡️ http://khan.co/KhanKids-YT-Amazon

You can access other videos about vowel teams on our playlist here: http://khan.co/KhanKids-VowelTeams.

Subscribe to our channel for more videos like this.

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

Using the recursive formula of a sequence to find its fifth term. Created by Sal Khan.

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-inf-sequences/e/convergence-and-divergence-of-sequences?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-inf-sequences/v/identifying-sequence-convergence-divergence?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC

Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-bc/bc-series/bc-inf-sequences/v/term-of-recursive-sequence?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC

AP Calculus BC on Khan Academy: Learn AP Calculus BC - everything from AP Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP Test

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.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy's AP Calculus BC channel: https://www.youtube.com/channe....l/UC5A2DBjjUVNz8axD-
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

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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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📍📍Welcome to watch our videos📍📍
歡迎觀看我們所創作的的其他影片
1）Basic Conversation 會話
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
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

4）Funny Jokes 笑話
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

5）Vocabulary 詞彙
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

6）English Idioms 英語成語
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

7）Revision Exercise 重温練習
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

8）Fun Games 趣遊戲味
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

9） Tongue Twister 繞口令
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

10）Writing a composition 作文
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

This metric system review video tutorial provides an overview / review of how to convert from one unit to another using a technique called dimensional analysis or the factor label method. It shows you how perform conversions with SI units in the metric system and in the english system including units that contain exponents such as squares and cubes. It provides unit conversion practice problems that relates to chemistry, physics, and algebra. It contains word problems that relates to density and even a few sat proportion word problems.

Access The Full 1 Hour 34 Minute Video:
https://www.patreon.com/MathScienceTutor

Direct Link to The Full Video on Patreon:
https://bit.ly/2UMTXoS

______________________________________
Full 1 Hour 34 Minute Video on Youtube:
https://www.youtube.com/watch?v=MqDYkUBL8n8

Join The Youtube Membership Program:
https://www.youtube.com/channe....l/UCEWpbFLzoYGPfuWUM

Unit Conversion - Basic Notes:
https://bit.ly/3IFPhFD

This is a video of my presentation on March 29, 2012 at the EARCOS Teachers Conference in Bangkok, Thailand. The goal of my presentation was to share my philosophy of giving students the tools to get feedback about their work on their own, and to show some ways that Geogebra can do this fairly easily.

For more information, visit my blog at http://evanweinberg.com .

Soil horizon and profile explained.
Soil is essential for many activities like plants growing and much of the food we eat.
In this video, I cover the difference between soil profile and horizon and review the characteristics of horizons O A E B C R
o = litter
b = topsoil
e = eluviated
b = subsoil
c = parent material
r = bedrock

The Trebuchet was similar to a giant catapult or stave sling, and launched heavy stones into enemy castles or walls.

Please consider supporting our videos on Patreon
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Credit:
Created by Daniel T

Narrator:

Narrator:
Christian H. Miles


Music Credit

Folk Round 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/

Sound effect by Tristan Lohengrin : http://tristanlohengrin.wixsite.com/studio

Educational video for children to learn about bees and their characteristics and curiosities. Bees are invertebrate animals, belonging to the insect group. Did you know that there are more than 20,000 different species of bees? Bees live in communities known as beehives. They are very social animals!

In this video, kids can learn about the different groups of bees and their functions within the honeycomb, how they make honey and some curiosities such as the fact that they have 5 eyes. Bees are a protected species because their activity is essential for plant reproduction on the planet. This video is an excellent resource for elementary 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 thousands of activities for children aged 3 to 12 yeards, all designed by educators. We have hundreds of games, interactive stories and videos in five languages: English, Spanish, Portuguese, Italian and French. Try a month for free and start the adventure!

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This calculus video tutorial provides a basic introduction into simpson's rule and numerical integration. It discusses how to estimate the value of the definite integral using simpson's rule. It also explains how to find the displacement of an object given a data table showing the instantaneous velocity of the object at different times. This lesson contains a few examples and practice problems for you to learn from.

Arc Length Problems:
https://www.youtube.com/watch?v=DNDAwWIL5FY

Surface Area Problems:
https://www.youtube.com/watch?v=lQM-0Nqs9Pg

Work Problems - Calculus:
https://www.youtube.com/watch?v=TLw8xbmnY3c

Integration By Parts:
https://www.youtube.com/watch?v=sWSLLO3DS1I

Tabular Method:
https://www.youtube.com/watch?v=Yyic5aaXGaw

_______________________________
Trigonometric Integrals:
https://www.youtube.com/watch?v=3pXALn2ovIE

Trigonometric Substitution:
https://www.youtube.com/watch?v=ocgjfF2AboA

Integration By Partial Fractions:
https://www.youtube.com/watch?v=6rXByMcuAyI

Trapezoidal Rule:
https://www.youtube.com/watch?v=Rn9Gr52zhrY

Simpson's Rule:
https://www.youtube.com/watch?v=7EqRRuh-5Lk

________________________________
Improper Integrals:
https://www.youtube.com/watch?v=ND9cEdfCFr0

Integration Into Inverse Trig:
https://www.youtube.com/watch?v=AE-0gXXx_j0

Integration of Rational Functions:
https://www.youtube.com/watch?v=4yJmhZBB40w

Integral of Logarithmic Functions:
https://www.youtube.com/watch?v=nrt37LoaSxM

Integrating Exponential Functions:
https://www.youtube.com/watch?v=D9dqdbCgJQM

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

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

Levels organization in Biology
Life can be classified from simple to more complex. The levels of organization can be summarized as,atom,molecule,macromolecule,cell,organ,tissue,organ,organsystem,organism,population,community,ecosystem,biosphere.
*
*
For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

Here is another video you may be interested.
可能也對這段影片也感興趣：
Summer Plan | Basic Conversation Lesson 24 | https://youtu.be/iugz4gi_mJ0
At the beach | Writing a Composition | https://youtu.be/WcERiNMpb9s
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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。
-----------------------------------------------------------------------------------
Welcome to watch our videos
歡迎觀看我們所創作的的其他影片
1）Basic Conversation 會話
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
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

4）Funny Jokes 笑話
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

5）Vocabulary 詞彙
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

6）English Idioms 英語成語
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

7）Revision Exercise 重温練習
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

8）Fun Games 趣遊戲味
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

9） Tongue Twister 繞口令
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP

10）Writing a composition 作文
https://www.youtube.com/playli....st?list=PLPoPxSDq_eP