Top videos
This chemistry video tutorial provides a basic introduction into the types of chemical bonds such as polar covalent bonds, nonpolar covalent bonds and ionic bonds. It discusses the difference between ionic bonding and covalent bonding. Ionic bonds can be identified by looking for a metal combined with a nonmetal. Covalent bonds typically occur among 2 or more nonmetals. Covalent bonding involves a sharing of electrons and ionic bonding forms as a result of a transfer of electrons from the metal to the nonmetal producing ions with opposite charge which are attracted to each other. The electrostatic force of attraction produces the ionic bond that holds the cations and anions together. Polar covalent bonds have unequal sharing of electrons between the atoms where as nonpolar covalent bonding have a relatively equal sharing of electrons between the atoms attached to the bond. Polar covalent bonds typically have an electronegativity difference of 0.5 or more where as nonpolar covalent bonds have a value difference of 0.4 or less.
Ionization Energy:
https://www.youtube.com/watch?v=LNVEBURpTcQ
Electron Affinity:
https://www.youtube.com/watch?v=KhLijA77WQE
Atomic Radius:
https://www.youtube.com/watch?v=4Url0pjbcuU
Bond Energy & Bond Length:
https://www.youtube.com/watch?v=U43-NTF-79E
Electronegativity:
https://www.youtube.com/watch?v=c9n2-gkVsaw
Periodic Trends:
https://www.youtube.com/watch?v=Gy9HR65DpYQ
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Polar & Nonpolar Covalent Bonding:
https://www.youtube.com/watch?v=OvjkMqGzgiY
Bond Polarity & Dipole Moment:
https://www.youtube.com/watch?v=ds5HXmBkO0Y
Ionic Radius:
https://www.youtube.com/watch?v=62pf6YOG6Ag
Lattice Energy:
https://www.youtube.com/watch?v=I61-N0GuSx8
Born Haber Cycle:
https://www.youtube.com/watch?v=DI-bwx8r3r8
Bond Energy Calculations:
https://www.youtube.com/watch?v=0Tm6JMeYX5g
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Lewis Structures - Mega Review:
https://www.youtube.com/watch?v=PeY_sihSh8E
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio
Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/angle-addition-formula-proofs/e/understanding-angle-addition-formulas?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry
Watch the next lesson: https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/angle-addition-formula-proofs/v/proof-angle-addition-cosine?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry
Missed the previous lesson?
https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/angle-addition-formulas-trig/v/double-angle-formula-for-cosine-example-c?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry
Trigonometry on Khan Academy: Big, fancy word, right? Don't be fooled. Looking at the prefix, tri-, you could probably assume that trigonometry ("trig" as it's sometimes called) has something to do with triangles. You would be right! Trig is the study of the properties of triangles. Why is it important? It's used in measuring precise distances, particularly in industries like satellite systems and sciences like astronomy. It's not only space, however. Trig is present in architecture and music, too. Now you may wonder...how is knowing the measurement and properties of triangles relevant to music?? THAT is a great question. Maybe you'll learn the answer from us in these tutorials!
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 Trigonometry channel:
https://www.youtube.com/channe....l/UCYQSs1lFJZKpyqNQQ
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Looking for an introductory tutorial on evaluating exponents? You have come to the right place!
In this video we cover:
A quick review of what exponents are and how they represent repeated multiplication. I also review briefly the powers of ten rules and how to quickly solve them. The video focuses on how to solve basic math equations when exponents are involved.
Other Videos Mentioned:
Powers of Ten: https://youtu.be/9bx4ChX82_8
Multiplying Whole Numbers By A Power of Ten: https://youtu.be/kiEMc0CrNQY
Improved math is a channel created to provide additional instruction on essential math concepts. I am passionate about math and I know firsthand how important math concepts are in the real world.
Teachers, parents, guardians, homeschoolers, and students can use these videos to help reinforce math skills.
For more information on math topics or for free printable worksheets and answer sheets, you can also visit my website at improvedmath.com
#exponents
#exponentialequations
#mathhelp
#introductiontoexponents
#basicexponents
#mathvideos
#teachyourselfmath
#selfstudymath
#homeschoolmath
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Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth. Thanks to Kiwico for sponsoring this video. For 50% off your first month of any crate, go to https://kiwico.com/veritasium50
For other potential world ending catastrophes, check out Domain of Science: https://ve42.co/DoS
Special thanks to:
Prof. Dave Jewitt from UCLA Earth, Planetary, and Space Sciences
Prof. Mark Boslough from Sandia National Labs
Scott Manley: https://www.youtube.com/user/szyzyg
Ryan Wyatt at Morrison Planetarium
Prof. Amy Mainzer
Alexandr Ivanov for the opening shot of Chelyabinsk Meteor
Maps of Asteroid Impacts —https://ve42.co/Map
Time passing animation from Universe Sandbox - http://universesandbox.com/
Opposition Effect — https://ve42.co/Belskaya2000
Belskaya, I. N., & Shevchenko, V. G. (2000). Opposition effect of asteroids. Icarus, 147(1), 94-105.
Potentially Hazardous Asteroids — https://ve42.co/Perna2013
Perna, D., Barucci, M. A., & Fulchignoni, M. (2013). The near-Earth objects and their potential threat to our planet. The Astronomy and Astrophysics Review, 21(1), 65.
Survey of Potentially Hazardous Asteroids — https://ve42.co/NEOSurvey
Population Vulnerability — https://ve42.co/Rumpf2017
Rumpf, C. M., Lewis, H. G., & Atkinson, P. M. (2017). Population vulnerability models for asteroid impact risk assessment. Meteoritics & Planetary Science, 52(6), 1082-1102.
Size distribution of NEOs — https://ve42.co/Trilling17
Trilling, D. E., Valdes, F., Allen, L., James, D., Fuentes, C., Herrera, D., ... & Rajagopal, J. (2017). The size distribution of near-earth objects larger than 10 m. The Astronomical Journal, 154(4), 170.
2020 NEOWISE Data Release — https://ve42.co/NEOWISE
National Research Council Report— https://ve42.co/Defending
Board, S. S., & National Research Council. (2010). Defending planet earth: Near-Earth-Object surveys and hazard mitigation strategies. National Academies Press.
Tug Boat — https://ve42.co/Schweickart03
Schweickart, R. L., Lu, E. T., Hut, P., & Chapman, C. R. (2003). The asteroid tugboat. Scientific American, 289(5), 54-61.
Gravity Tractor 1 — https://ve42.co/Lu05
Lu, E. T., & Love, S. G. (2005). Gravitational tractor for towing asteroids. Nature, 438(7065), 177-178.
Laser Ablation — https://ve42.co/Thiry14
Thiry, N., & Vasile, M. (2014). Recent advances in laser ablation modelling for asteroid deflection methods. SPIE Optical Engineering+ Applications, 922608-922608.
Yarakovsky Effect — https://ve42.co/Yara
DART Mission — https://ve42.co/DART
Nuclear 1 — https://ve42.co/Ahrens92
Ahrens, T. J., & Harris, A. W. (1992). Deflection and fragmentation of near-Earth asteroids. Nature, 360(6403), 429-433.
Nuclear 2 — https://ve42.co/Bradley10
Bradley, P. A., Plesko, C. S., Clement, R. R., Conlon, L. M., Weaver, R. P., Guzik, J. A., ... & Huebner, W. F. (2010, January). Challenges of deflecting an asteroid or comet nucleus with a nuclear burst. In AIP Conference Proceedings (Vol. 1208, No. 1, pp. 430-437). American Institute of Physics.
Researched and Written by Petr Lebedev, Jonny Hyman and Derek Muller
3D animations, VFX, SFX, Audio Mixing by Jonny Hyman
2D animation by Ivy Tello
Intro animation by Nicolas Pratt
With Filming by Raquel Nuno
Music from https://epidemicsound.com "Stellar Dance" "Orbit" "That Notebook" "What We Discovered" "Out of Poppies" "Handwriting"
Images and video supplied by Getty Images
The Principal Lecturer and Lead for Planning and Admissions in the School of Education discusses training as a teacher, the unique rewards the profession brings and why Brighton is the option for you.
Find out more about teacher training at Brighton: https://www.brighton.ac.uk/stu....dying-here/subject-a
Would you fall for the famous Trojan Horse prank? 🤔🐎 Learn how a wooden horse fooled the Trojans
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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/work-a
Work needed to compress a spring is the same thing as the potential energy stored in the compressed spring. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/work-and-energy/hookes-law/v/spring-potential-energy-example-mistake-in-math?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/work-and-energy/hookes-law/v/intro-to-springs-and-hooke-s-law?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
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 Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Join our Circle Time hosts as they read the book Baby Pigs by Bellwether Media. See real-life photos of little piglets, and learn about how they grow, play, and dig for food. Then see more baby animals from the county fair. Don’t miss the ducklings in the fountain! Wrap up with a wonderful segment of Show & Tell, where friends share their artwork with us.
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:
http://khan.co/KhanKids-YT-Apple
http://khan.co/KhanKids-YT-Google
http://khan.co/KhanKids-YT-Amazon
Remember to subscribe to Circle Time to be reminded of our new shows!
You can also access all of our Circle Time videos on our Circle Time Playlist, here: http://khan.co/KhanKids-CircleTimePlaylist.
Questions? Reach our team at khankids@khanacademy.org.
This physics video tutorial explains how to solve any circuit problem with capacitors in series and parallel combinations. This video explains how to calculate the electric charge and voltage on every capacitor in a series and parallel circuit. In a series circuit, the capacitors have the same charge and the voltages are additive following kirchoff's voltage law. In a parallel circuit, all of the capacitors have the same voltage but their charges are additive. This tutorial contains plenty of examples and practice problems.
Capacitors - Basic Introduction:
https://www.youtube.com/watch?v=BimpNou0orc
How To Solve DC Circuits:
https://www.youtube.com/watch?v=eFlJy0cPbsY
KCL and KVL Circuit Analysis:
https://www.youtube.com/watch?v=2Zu3ppq3n8I
Equivalent Capacitance:
https://www.youtube.com/watch?v=PPhSmZ6w9WY
Capacitors In Series and Parallel:
https://www.youtube.com/watch?v=zaT4JorVUz0
__________________________
More Example Problems:
https://www.youtube.com/watch?v=a-gPuw6JsxQ
Electron Flow In Capacitors:
https://www.youtube.com/watch?v=iQZknlJjaj4
RC Circuit Physics Problems:
https://www.youtube.com/watch?v=PLQrPqYlPmI
Voltmeters and Ammeters:
https://www.youtube.com/watch?v=NLPSHwDUYrY
Wheatstone Bridge Circuit:
https://www.youtube.com/watch?v=jFvVtB10B1I
______________________________
Basic Electronics For Beginners:
https://www.youtube.com/watch?v=uXr4lXYjXuU
Magnetic Force on a Wire:
https://www.youtube.com/watch?v=nv28Cp-ILJ0
Magnetic Force on a Moving Charge:
https://www.youtube.com/watch?v=7MBawzone30
The Homopolar Motor:
https://www.youtube.com/watch?v=6Oj4qvCR6ow
Physics PDF Worksheets:
https://www.video-tutor.net/ph....ysics-basic-introduc
Learn the letter V 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:
➡️ http://khan.co/KhanKids-YT-Google
➡️ http://khan.co/KhanKids-YT-Apple
➡️ http://khan.co/KhanKids-YT-Amazon
You can also access other letters of the alphabet on our Letters and Letter Sounds playlist here: http://khan.co/KhanKids-Letters
Subscribe to our channel for more videos like this.
Nouns Part 3: Singular & Plural Nouns
What are singular and plural nouns? Learn how to make a singular noun into plural noun through many examples.
To go to "Nouns Part 4" click the link below :)
"Part 4: Irregular Plural Nouns"
https://youtu.be/sG10HhMpans
If you've missed Part 1 & Part 2 in "Nouns" click the links below!!
"Part 1: What is a Noun"
https://youtu.be/fnCh8UexntQ
"Part 2: Common & Proper Nouns"
https://youtu.be/ppNtch3wRJ4
For the "Noun Series" click the link below :)
https://www.youtube.com/playli....st?list=PLGIhw0VkiEN
For the entire "Verbs Series" click the link below :)
https://www.youtube.com/playli....st?list=PLGIhw0VkiEN
For the "Adjectives Series" click the link below :)
https://www.youtube.com/playli....st?list=PLGIhw0VkiEN
Can you think of some things that are green? How about a hose and a pear! earn about secondary colors green, orange, and purple with Sandy the Dingo 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 also access other color videos on our Colors playlist here: http://khan.co/KhanKids-Colors.
Subscribe to our channel for more videos like this.
To begin using Caktus AI as your virtual academic assistant, click the link here: https://www.caktus.ai
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Today we are sharing our unboxing and first day of virtual school, my 4 year old was super exited to start learning, we loved how dynamic the courses are and how attentive is the staff
25 years ago, K12 reimagined education with online learning. Today, with more than 3 million students and counting, we’re more dedicated than ever to making personalized learning accessible to everyone.
The amazing achievements of our K12 community inspire us, and we’re excited to share their stories, celebrating the incredible moments that have shaped their success.
Meet Evan, a K12-powered student and swimmer on the U.S. national team, whose success story launches our Voices series, celebrating the extraordinary achievements made possible through K12’s flexible, personalized learning. Subscribe to our social channels to stay tuned as we spotlight more inspiring journeys.
#K12 #K12Voices #HappierAtK12 #25YearsOfK12
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In this video, we show you how to solve for a missing addend by Counting Up! If you would like to practice this strategy click the link below! https://docs.google.com/docume....nt/d/1IjRAInlvG5g3uP
The Teach Engineering Digital Library is an educational resource featuring standards-aligned, design-rich curricula to help educators foster design thinking.
Put the ‘E’ in STEM by making applied science, technology, and math come alive through engineering design and design thinking.
Do you think all the Romance language speaking countries understand each ohter?
Today, Spanish, Brazilians and Italian tried to guess French
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This video walks through the step-by-step process of converting numbers to scientific notation.
In this video we cover:
What is scientific notation
What is standard form
How to convert numbers from standard form to scientific notation
Multiplying by a power of ten
Improved math is a channel created to provide additional instruction on essential math concepts. I’m passionate about math and I know first-hand how important math concepts are in the real world.
Teachers, parents, guardians, homeschoolers, and students can use these videos to help reinforce math skills.
For more information on math topics or for free printable worksheets and answer sheets, you can also visit my website at improvedmath.com
https://www.youtube.com/c/ImprovedMath
https://improvedmath.com
https://www.tiktok.com/@improvedmath1?
https://www.pinterest.com/improvedmath/
Don’t forget to like, share, and subscribe!
#scientificnotation
#standardform
#exponents
#math
#mathhelpvideos
#homeshoolmath
#virtualmath
