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Electrodes and voltage of Galvanic cell | Chemistry | Khan Academy
Electrodes and voltage of Galvanic cell | Chemistry | Khan Academy Teacherflix 12 Vues • 1 an depuis

"Identifying the anode and cathode in a galvanic cell, and calculating the voltage using standard electrode potentials.

Watch the next lesson: https://www.khanacademy.org/science/chemistry/oxidation-reduction/batter-galvanic-voltaic-cell/v/shorthand-notation-for-galvanicvoltaic-cells?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Missed the previous lesson? https://www.khanacademy.org/science/chemistry/oxidation-reduction/batter-galvanic-voltaic-cell/v/galvanic-cell-voltaic-cell?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.

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 Chemistry channel:
https://www.youtube.com/channe....l/UCyEot66LrwWFEMONv
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

K12 ONLINE SCHOOL  WHAT I DON'T LIKE ABOUT K12 PROGRAM PT 1
K12 ONLINE SCHOOL WHAT I DON'T LIKE ABOUT K12 PROGRAM PT 1 Teacherflix 23 Vues • 11 mois depuis

Here are the things I don't like about the k12 online school program. As many of you know we have been doing the public online school program with k12 curriculum, these are my honest thoughts on things I have not particularly enjoyed about k12. I hope this video helps you decide if you want to start online school with k12.

Part 2- The things I do like about K12
https://www.youtube.com/watch?v=PC0imG9EK_Q

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一堂KO試題陷阱---助你更有把握通過五級樂理試! | #grade5 #musictheory #五級樂理 #abrsmexam #onlineclass #樂理 #examtips
一堂KO試題陷阱---助你更有把握通過五級樂理試! | #grade5 #musictheory #五級樂理 #abrsmexam #onlineclass #樂理 #examtips Teacherflix 12 Vues • 1 an depuis

一堂KO試題陷阱---助你更有把握通過五級樂理試!
15/9或之前報名,可享有8折優惠
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上課日期:2023年9月23日(星期六)
時間:香港時間晚上 8:30 - 9:30

對象:
- 已具備相關程度的學員
- 即將準備考試的學員
- 曾經應試但未能取得合格成績的學員

語言:廣東話

講座內容:
- 解讀ABRSM五級樂理考試中7個考核部分內的隱藏陷阱,教你跨越所有盲點
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=======================================================
Grade 5 Music Theory online course video BGM_copyright info.
Reverie by Scott Buckley | www.scottbuckley.com.au
Music promoted by https://www.chosic.com/free-music/all/
Creative Commons CC BY 4.0
https://creativecommons.org/licenses/by/4.0/

The Menstrual Cycle | 3D Animation (2/2)
The Menstrual Cycle | 3D Animation (2/2) Teacherflix 28 Vues • 1 an depuis

This 3D animation explains the hormonal changes during the menstrual cycle. The menstrual cycle begins with menstrual bleeding, marking the follicular phase’s first day. When the follicular phase begins, levels of estrogen and progesterone are low. As a result, the top layers of the uterus’s thickened lining break down and are shed, and menstrual bleeding occurs.

About this time, the pituitary gland starts sending follicle-stimulating hormone to your ovaries, stimulating the development of 5 to 20 follicles in the ovaries. Each follicle contains an immature egg and produces estrogen. One follicle will soon begin to grow faster than others. This is called the dominant follicle. As the follicle grows, the levels of estrogen in the blood rise significantly. This increase in estrogen begins to inhibit the secretion of the follicle-stimulating hormone. The fall in follicle-stimulating hormone allows smaller follicles to die off. They are, in effect, "starved" of follicle-stimulating hormone.

The increasing amount of estrogen in your body also ensures that the lining of your womb thickens with nutrients and blood. This is so that if you do get pregnant, the fertilized egg will have everything it needs to grow.

The ovulatory phase begins with a rise in the levels of luteinizing hormone and follicle-stimulating hormone. The surge in the luteinizing hormone triggers one of the most prominent follicles to pop open and release its egg, which heads into the fallopian tube and starts its journey toward the uterus. Ovulation usually occurs 16 to 32 hours after the beginning of the surge, around day 14 of the menstrual cycle.

During the luteal phase, the levels of the luteinizing hormone and follicle-stimulating hormone decrease. The ruptured follicle closes after releasing the egg and forms a corpus luteum, which produces estrogen and progesterone, which cause the lining of the uterus to thicken even more. If an egg is fertilized, progesterone supports early pregnancy. But if no fertilization occurs, the corpus luteum will break down between 9 and 11 days after ovulation. This results in a drop in estrogen and progesterone levels, bringing us back to the first stage of menstruation if no pregnancy has occurred.


Timecodes:
0:00 Menstrual Bleeding
0:07 Follicular Phase
0:36 Dominant Follicle
1:12 Ovulation
1:37 Luteal Phase
1:46 Corpus Luteum
0:54 Implantation
1:04 Next video

#Menstruation #Menstrualcycle #animation

The graphical relationship between a function & its derivative (part 1) | Khan Academy
The graphical relationship between a function & its derivative (part 1) | Khan Academy Teacherflix 17 Vues • 1 an depuis

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

Given the graph of a function, Sal sketches the graph of its derivative. Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivatives-analyze-functions/ab-connecting-func-and-derivatives/v/intuitively-drawing-the-anitderivative-of-a-function?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-derivatives-analyze-functions/ab-inflection-points/v/mistakes-when-finding-inflection-points-not-checking-candidates?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

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 AcademyÕs AP Calculus AB channel: https://www.youtube.com/channe....l/UCyoj0ZF4uw8VTFbml
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Introduction to Inverse Functions
Introduction to Inverse Functions Teacherflix 18 Vues • 1 an depuis

This algebra video tutorial provides a basic introduction into inverse functions. it explains how to find the inverse function by switching the x and y variables. It also explains how to prove if two functions are inverses of each by checking to see if the composite functions of f(g(x)) and g(f(x)) are equal to x. In addition, it explains how to graph the inverse function around the line y=x. Finally, it highlights the difference between the vertical line test and the horizontal line test as it relates to one to one functions and inverse functions. The vertical line test tells if a relation is a function. The horizontal line test tells you if the function is one to one and if the inverse relation is a function.

Introduction to Functions:
https://www.youtube.com/watch?v=DrEXTC6mIO8

Evaluating Functions:
https://www.youtube.com/watch?v=HyNie_PYgsY

Function Operations:
https://www.youtube.com/watch?v=3gaxVHVI4cI

Increasing and Decreasing Functions:
https://www.youtube.com/watch?v=Dyl7jPlJXOM

Relative Maximum & Minimum Values:
https://www.youtube.com/watch?v=GaltHJF6WyI

_____________________________________
Relations and Functions:
https://www.youtube.com/watch?v=wbBY2tTqXDA

Domain and Range From a Graph:
https://www.youtube.com/watch?v=KirGQOwjBVI

How To Find The Domain of a Function:
https://www.youtube.com/watch?v=djT6-YamHaA

Average Rate of Change of a Function:
https://www.youtube.com/watch?v=f_Q0qlwlclQ

The Difference Quotient of a Function:
https://www.youtube.com/watch?v=qQgVomi8lCc

_____________________________________
Evaluating Piecewise Functions:
https://www.youtube.com/watch?v=OYOXMyFKotc

Graphing Piecewise Functions:
https://www.youtube.com/watch?v=Uzw9tsGq2Pw

Composite Functions:
https://www.youtube.com/watch?v=ZFPkQkURSxk

How To Evaluate Composite Functions:
https://www.youtube.com/watch?v=6vQxIG4lJ3w

Composite Functions - Data Table:
https://www.youtube.com/watch?v=6vQxIG4lJ3w

Comp. of 3 Functions - Data Table:
https://www.youtube.com/watch?v=Ote1KvW6BXw

Decomposing Functions:
https://www.youtube.com/watch?v=NmfaC7etZms

_________________________________
Introduction to Inverse Functions:
https://www.youtube.com/watch?v=TN4ybFiuV3k

How To Find The Inverse of a Function:
https://www.youtube.com/watch?v=2zeYEx4eTdc

Verifying Inverse Functions:
https://www.youtube.com/watch?v=6QamgSPprjA

Horizontal Line Test - 1 to 1 Functions:
https://www.youtube.com/watch?v=6u9Qh1Vi_Qw

Vertical Line Test:
https://www.youtube.com/watch?v=Mxe2lX1htNk

Graphing Inverse Functions:
https://www.youtube.com/watch?v=ukEtad_aml4

Composite and Inverse Functions:
https://www.youtube.com/watch?v=GEgFmxxOJno

__________________________________
Even and Odd Functions:
https://www.youtube.com/watch?v=fKyBOLsqRlo

Transformations of Functions:
https://www.youtube.com/watch?v=Tmdrjs9xufc

Linear Functions:
https://www.youtube.com/watch?v=BtcKotD6Ni8

Functions and Graphs - Problems:
https://www.youtube.com/watch?v=kvU9sOzT2mk

Functions - Test Review:
https://www.youtube.com/watch?v=1xATmTI-YY8

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

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

Circles - Area, Circumference, Radius & Diameter Explained!
Circles - Area, Circumference, Radius & Diameter Explained! Teacherflix 18 Vues • 1 an depuis

This basic geometry video tutorial explains how to calculate the area and circumference of a circle given it's radius and diameter. This video contains a few examples with word problems. This video also explains how to calculate the circumference given the area, and how to calculate the length of the radius and diameter given the area and circumference of the circle.

Area of a Rectangle:
https://www.youtube.com/watch?v=M8JdRHeQBW8

Area and Perimeter:
https://www.youtube.com/watch?v=gtMKsFXjLHw

Area of a Square:
https://www.youtube.com/watch?v=tKPxFv0x4VY

Area of a Triangle:
https://www.youtube.com/watch?v=svWYgZs33bA

Calculating The Height of a Triangle:
https://www.youtube.com/watch?v=a1PR9O1Va84

Area of a Trapezoid:
https://www.youtube.com/watch?v=WBgRnFFGCuQ

_____________________________
Area of a Parallelogram:
https://www.youtube.com/watch?v=k7iV42nkXc0

Area of a Rhombus:
https://www.youtube.com/watch?v=3Jx9gGpGbrA

Area Between Two Squares:
https://www.youtube.com/watch?v=NtAaclKesgs

Area - Rectangles, Triangles, & Circles:
https://www.youtube.com/watch?v=JnLDmw3bbuw

Area & Perimeter of Irregular Shapes:
https://www.youtube.com/watch?v=_e7j6rE7_Pg

How To Calculate Square Footage:
https://www.youtube.com/watch?v=aKcy-XE-LXM

______________________________
Area of a Kite:
https://www.youtube.com/watch?v=RhNeFsYHtE4

Area of an Equilateral Triangle:
https://www.youtube.com/watch?v=vIlWlauZV7E

Area of Regular Polygons:
https://www.youtube.com/watch?v=bwyYgCGNOQ4

Area - Hard Math Problem:
https://www.youtube.com/watch?v=s0gu-LlEM8M

Area - Shaded Region:
https://www.youtube.com/watch?v=yw2cYaPb-Go

Circles - Area, Circumference, Radius:
https://www.youtube.com/watch?v=D4nGkWOPb6M

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

U.S. Most Daring Rescue Mission In Panama - Op. Acid Gambit (1989)
U.S. Most Daring Rescue Mission In Panama - Op. Acid Gambit (1989) Teacherflix 37 Vues • 1 an depuis

This video was made possible thanks to everyone on the Simple History Patreon: https://www.patreon.com/simplehistory

Check out our other Channel: https://www.youtube.com/channe....l/UCPdc6bs3I8s6Y4QE_
Discord server: https://discord.gg/JZsPQXHeYC
Become a Simple History member: https://www.youtube.com/simplehistory/join

According to the Cambridge Dictionary, the word ‘gambit’ is defined as ‘a clever action in a situation that is intended to achieve an advantage that usually involves taking a risk’.

During Operation Acid Gambit, a disastrous rescue mission that was only supposed to take four and a half minutes and be one of the opening operations of the 1989 US invasion of Panama, Delta Force found themselves in a situation so sticky that it was sheer luck, rather than tactical gambits, that got them out alive.

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

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