I migliori video | TeacherFlix | Free Classroom Videos & Ready-to-Use Lesson Resources

Casa
Articoli

I migliori video

Sempre

In data odierna

Questa settimana

Questo mese

Quest'anno

How Long Would You Survive In The Past? Teacherflix 15 Visualizzazioni • 2 anni fa

2nd Channel: https://www.youtube.com/@simplehistory2
Become a Simple History member: https://www.youtube.com/simplehistory/join
Support us on Patreon: https://www.patreon.com/simplehistory

Copyright: DO NOT translate and re-upload our content on Youtube or other social media.
Thanks to the technological advances of the modern age, in 2023 life is pretty safe. In the past however, many of the things we take for granted now were likely a death sentence for our ancestors.

SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

https://www.amazon.com/Daniel-....Turner-%60/e/B00H5TY

T-Shirts

https://teespring.com/stores/s....imple-history-offici

Simple history gives you the facts, simple!

See the book collection here:

Amazon USA

http://www.amazon.com/Daniel-Turner/e/B00H5TYLAE/

Amazon UK
http://www.amazon.co.uk/Daniel....-Turner/e/B00H5TYLAE

https://www.facebook.com/Simpl....e-History-5494376751

https://twitter.com/SimpleHistoryYT

Credit:
Show Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Jake Leigh-Howarth

Narrator:

Chris Kane
https://vocalforge.com/

Backe, Caleb. "Deadly Beauty Practices In History." 6 March, 2022. Maple Holistics.

BAUS. "Virtual Museum Time Corridor 17th Century". Accessed 27 February, 2023.

CDC. "Syphilis: The Facts." Accessed 27 February, 2023.

CTPA. "Cosmetic Safety." Accessed 27 February, 2023.

De Abreu, Kristine. "Apocalypse Then: The Volcanic Winter of 536AD." July 18, 2022. ExplorersWeb.

Degroot, Dagomar. "Small climate changes can have devastating local consequences – it happened in the Little Ice Age." July 27, 2021. The Conversation.

Eschner, Kat. "Fearing a Smallpox Epidemic, Civil War Troops Tried to Self-Vaccinate." May 1, 2017. Smithsonian.

Finance. "Scotland to Panama Flight Duration." Accessed 27 February, 2023.

Greschko, Michael. "Colossal volcano behind 'mystery' global cooling finally found." August 23, 2019. NationalGeographic.

Grist, Kerry. "Dangerous Beauty: Hazardous Chemicals and Poisons in Historic Cosmetics." 29 July 2022. ScienceMuseumGroup.

Johnson, Ben. "The Darien Scheme." Accessed 27 February, 2023.

Kelly, DB. "The Deadly Great Frost of 1709 Is Still a Mystery." Last modified 13 January, 2022. Grunge.

Lanchester, John. "How the Little Ice Age Changed History." March 25, 2019. The New Yorker.

Laumonier, Lucie. "A Medieval Peasants’ Winter." rused 27 February, 2023.

Maley, Sonny. "The Darien Scheme." May 2005. GLA.

Maloney, T.R., Dilkes-Hall, I.E., Vlok, M. et al. "Surgical amputation of a limb 31,000 years ago in Borneo." Nature 609 (September 2022): 547–551.

Oosthoek, K. Jan. "Little Ice Age." June 5, 2015. EH Resources.

Pattenden, Miles. "Volcanoes, plague, famine and endless winter: Welcome to 536, what historians and scientists believe was the ‘worst year to be alive'." February 1, 2022. The Conversation.

Seladi-Schulman, Jill. "What Is the Periosteum?" Last modified September 26, 2018. Healthline.

Shuster, Sam. "Painless amputation: history of a discovery
that wasn’t made." BMJ (19-26 December 2009).

Smith College. "The Effects of the Little Ice Age (c. 1300-1850)." Accessed 27 February, 2023.

Wischhover, Cheryl. "The Most Dangerous Beauty Through the Ages." December 17, 2013. TheCut.

Zapata, Mariana. "How Civil War Soldiers Gave Themselves Syphilis While Trying to Avoid Smallpox." November 30, 2016. Atlas Obscura.

How To Use Slater's Rule to Estimate The Effective Nuclear Charge Teacherflix 15 Visualizzazioni • 2 anni fa

This chemistry video tutorial explains how to use Slater's Rule to estimate the effective nuclear charge of an electron in an atom. It could be a core electron or a valence electron.

Speed of Light, Frequency, Wavelength: https://www.youtube.com/watch?v=LgYMxH1LCdo

Photon Energy:
https://www.youtube.com/watch?v=PYNSopwd1l4

The Photoelectric Effect:
https://www.youtube.com/watch?v=-LECEvusk8E

De Broglie Wavelength:
https://www.youtube.com/watch?v=cYyFPFU6s_A

The Bohr Model of Hydrogen:
https://www.youtube.com/watch?v=mXxsT1ut35Q

Heisenberg's Uncertainty Principle:
https://www.youtube.com/watch?v=BNYz5EKXVeI

________________________________
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo

Orbitals & Atomic Energy Levels:
https://www.youtube.com/watch?v=4sLXUr2HWIs

Maximum Number of Electrons:
https://www.youtube.com/watch?v=UNE-7AuiMGs

Intro to Electron Configuration:
https://www.youtube.com/watch?v=NIwcDnFjj98

Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs

Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs

Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds

_______________________________
Orbital Diagrams:
https://www.youtube.com/watch?v=6dRdMy9tgzE

Paired & Unpaired Electrons:
https://www.youtube.com/watch?v=xwWJf48yfNs

Aufbau's Principle & Hund's Rule:
https://www.youtube.com/watch?v=C6afrc1QS6Y

Paramagnetic & Diamagnetic Elements:
https://www.youtube.com/watch?v=SO983iq9GaI

Valence Electrons & Periodic Table:
https://www.youtube.com/watch?v=FPk2ziB9iX0

Effective Nuclear Charge:
https://www.youtube.com/watch?v=JDsMR1bHGO4

_________________________________
Slater's Rule:
https://www.youtube.com/watch?v=TaYUOiEe6OA

How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ

Quantum Numbers - Mega Review:
https://www.youtube.com/watch?v=lPptuKlCM6k

Quantum Numbers - Practice Test:
https://www.youtube.com/watch?v=E-nOH18dF-c

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

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

How To Convert Kilograms to Grams and Grams to Kilograms Teacherflix 15 Visualizzazioni • 2 anni fa

This video explains how to convert from kilograms to grams (kg to g) and grams to kilograms (g to kg).

Converting Units - Master Review: https://www.youtube.com/watch?v=eK8gXP3pImU

_______________________________
Length -Meters to Centimeters:
https://www.youtube.com/watch?v=UCpfhl0avTg

Volume - mL to Liters:
https://www.youtube.com/watch?v=o-s4C6wrwEE

Mass - Kilograms to Grams:
https://www.youtube.com/watch?v=TjyqS2L6K7w

Speed - mph to m/s:
https://www.youtube.com/watch?v=jQHj1_q8fSw

Area - m^2 to ft^2:
https://www.youtube.com/watch?v=emjvTzpWB30

Volume - cm^3 to ft^3:
https://www.youtube.com/watch?v=ylehgnMC1gw

______________________________
Temperature - Fahrenheit to Celsius:
https://www.youtube.com/watch?v=4g2xYB3Kf_Q

Currency Conversion:
https://www.youtube.com/watch?v=JRf7_RKF3uA

Significant Figures:
https://www.youtube.com/watch?v=l2yuDvwYq5g

Scientific Notation:
https://www.youtube.com/watch?v=ZtB0vJMGve4

Density Practice Problems:
https://www.youtube.com/watch?v=9CKDQE35qXQ

_______________________________
Physics - Basic Introduction:
https://www.youtube.com/watch?v=b1t41Q3xRM8

Algebra For Beginners:
https://www.youtube.com/watch?v=MHeirBPOI6w

Trigonometry For Beginners:
https://www.youtube.com/watch?v=PUB0TaZ7bhA

Calculus 1 - Introduction
https://www.youtube.com/watch?v=GiCojsAWRj0

Chemistry - Basic Introduction:
https://www.youtube.com/watch?v=-KfG8kH-r3Y

Organic Chemistry:
https://www.youtube.com/watch?v=B_ketdzJtY8

_______________________________
SAT Math Test Prep:
https://www.youtube.com/watch?v=fTGuTEQCsZY

ACT Math Test Prep:
https://www.youtube.com/watch?v=SsA7rZ8kczM

GRE Math Test Prep:
https://www.youtube.com/watch?v=z6lbrzaCbdk

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

Related Rates - Conical Tank, Ladder Angle & Shadow Problem, Circle & Sphere - Calculus

This calculus video tutorial explains how to solve related rates problems using derivatives. It shows you how to calculate the rate of change with respect to radius, height, surface area, or volume of a sphere, circle, cone, etc. This video contains plenty of examples and practice problems such as the inverted conical tank problem, the ladder angle problem, similar triangle shadow problem, problems with circles, spheres, cubes, cones, squares, and triangles and so forth.

Introduction to Limits:
https://www.youtube.com/watch?v=YNstP0ESndU

Derivatives - Fast Review:
https://www.youtube.com/watch?v=5yfh5cf4-0w

Introduction to Related Rates:
https://www.youtube.com/watch?v=I9mVUo-bhM8

Derivative Notations:
https://www.youtube.com/watch?v=7BK_mmYckmI

Related Rates - The Cube:
https://www.youtube.com/watch?v=r5PTN2TgGwc

__________________________________
Inflated Balloon & Melting Snowball:
https://www.youtube.com/watch?v=8dm0UtPyYj8

Gravel Dumped Into Conical Tank:
https://www.youtube.com/watch?v=xvbrEfVLQ4k

Related Rates - Area of a Triangle:
https://www.youtube.com/watch?v=RGRhinA7YDI

Related Rates - The Ladder Problem:
https://www.youtube.com/watch?v=W3qoQIlfG0E

Related Rates - The Distance Problem:
https://www.youtube.com/watch?v=_sbq6yZ9Kt8

____________________________________
Related Rates - Airplane Problems:
https://www.youtube.com/watch?v=jUn8MpV80po

Related Rates - The Shadow Problem:
https://www.youtube.com/watch?v=-En2IABPR0I

Related Rates - The Baseball Diamond Problem:
https://www.youtube.com/watch?v=zytwFSyH0_0

Related Rates - The Angle of Elevation Problem:
https://www.youtube.com/watch?v=dUBeikdfK10

Related Rates - More Practice Problems:
https://www.youtube.com/watch?v=ps-r4nti5Go

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

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

Here is a list of problems.
1. Finding dx/dt, dy/dt and dz/dt - Pythagorean Theorem - Right Triangle Trigonometry
2. How to find the rate of change of the distance between the origin and a moving point on the graph if the y-coordinate is increasing
3. The radius of a circle is decreasing at a rate of 4cm/min. How fast is the area and circumference changing when the radius is 8cm?
4. The surface area of a snowball at a rate of 6 square feet per hour, how fast is the diameter changing when the radius is 2 ft?
5. The side length of a square increases at a rate of 3 inches per second, how fast is the area and perimeter of the square changing when the side length is 5 in ?
6. A spherical balloon is inflated with gas at a rate of 900 cubic centimeters per minute (cm^3/min), how fast is the radius of the balloon changing?
7. The side lengths of a cube are increasing at a rate of 5 cm/s, How fast is the surface area and volume increasing?
8. A 13 foot ladder leans against a house. The ladder slides down the wall at a rate of 3 ft/min. How fast is the ladder moving away from the base of the wall when the foot of the ladder is currently 5ft from the wall? How fast is the area of the triangle changing? How fast is the angle between the ground and ladder changing?
9. Gravel is being dumped from a conveyor belt at a rate of 100 cubic feet per min (ft^3/min) forming a conical pile whose base diameter is two times the altitude. How fast is the height changing?
10. Water is leaking out of an inverted conical tank at 500 cm^3/min. The tank has a height of 24 cm and a radius of 6cm. Find the rate at which water is being poured into the tank if the water level is rising at 15cm/min.
11. A street light is mounted on a pole 24 ft tall. A man 6ft tall walks away from the pole at a rate of 4ft/s. How fast is the tip of his shadow moving when he is 20ft from the pole? How fast is the length of his shadow changing at this instant?
12. A spotlight shines on a wall 18m away. If a 2m tall man walks toward the building at a speed of 2m/s, how fast is the length of his shadow on the building changing?
13. Two cars are moving starting from the same point.
14. At 1:00pm, ship B is 150 miles from ship A. Ship A is moving 30mph north and ship B is moving 20mph south. How fast is the distance changing at 3:00pm?
15. Airplane Problem - Travels Horizontally at an altitude of 3 miles. Radar Station Below.
16. Airplane Observer Problem - Rate of Change of Angle of Elevation
17. Baseball Diamond Square Problem - Speed in ft/s.
18. Water trough problem

Thermodynamics, PV Diagrams, Internal Energy, Heat, Work, Isothermal, Adiabatic, Isobaric, Physics Teacherflix 15 Visualizzazioni • 2 anni fa

This physics video tutorial explains the concept of the first law of thermodynamics. It shows you how to solve problems associated with PV diagrams, internal energy, heat, and work. It addition, it provides plenty of examples and practice problems associated with isothermal, isochoric or isovolumetric, isobaric, and adiabatic processes.

Open Vs Closed Vs Isolated System: https://www.youtube.com/watch?v=TFP6SvWPOQc

First Law of Thermodynamics:
https://www.youtube.com/watch?v=7Siv2NNCFag

Isobaric Process:
https://www.youtube.com/watch?v=BG-cUpnNmPM

Isochoric Process:
https://www.youtube.com/watch?v=SxfgHdfKjQA

Isothermal Process:
https://www.youtube.com/watch?v=m9h6qyWLscs

Internal Energy of an Ideal Gas:
https://www.youtube.com/watch?v=k3rJs_ioTHc

_________________________
Adiabatic Process:
https://www.youtube.com/watch?v=gaZmZjBtgAM

PV Diagrams:
https://www.youtube.com/watch?v=b-4U_s4e50o

2nd Law of Thermodynamics:
https://www.youtube.com/watch?v=DWiCaDPM7Hk

Heat Engines:
https://www.youtube.com/watch?v=O7TSo_up1Dw

Converting Heat Into Electricity:
https://www.youtube.com/watch?v=LX2cU27kUUc

________________________
Carnot Cycle:
https://www.youtube.com/watch?v=Qi3m9sD5w-A

Otto Cycle:
https://www.youtube.com/watch?v=vAeMmSRdQYY

Refrigerators and Heat Pumps:
https://www.youtube.com/watch?v=sKfgz6JLQRI

Entropy:
https://www.youtube.com/watch?v=Bdn3u2OHvKE

Heat Engines and Refrigerators Review:
https://www.youtube.com/watch?v=QBd2zraOe2k

Physics 1 Review:
https://www.video-tutor.net/ph....ysics-basic-introduc

Chemistry Review:
https://www.video-tutor.net/ch....emistry-basic-introd

Here is a list of topics:
1. First Law of Thermodynamics - Energy Transfer
2. Internal Energy, Heat, and Mechanical Work
3. System vs Surroundings
4. Sign Conventions for Q, Heat Absorbed vs Heat Energy Released
5. Work done on the system vs work done by the system
6. Positive Work - Gas Expansion vs Negative Work - Compression
7. Open System, Closed System and Isolated System
8. Isobaric Process - Constant Pressure
9. Work Done at Constant Pressure Formula / Equation
10. Units of Pressure - Converting atm to Pa
11. Units of Volume - m^3 and L conversion
12. Converting L and atm into Joules
13. PV Diagrams - Work Done = Area Under the Curve or Area of the Shaded Region
14. Cyclic Process, Q=W, Work is Positive for Clockwise Rotation and Negative for Counter Clockwise Direction
15. Ideal Gas Law, PV=nRT
16. Charles Law - Temperature and Volume Relationship
17. Converting Celsius to Kelvin Temperature
18. Heat Transferred During Isobaric Process Formula
19. Isochoric Process - Work Done is Zero
20. Isovolumetric Process - Constant Volume, Internal Energy, and Heat Transferred Equation
21. Thermodynamics Formula Sheet Summary
22. Molar Heat Capacity at Constant Pressure and Constant Volume
23. Monatomic Gases - He, Ne, and Ar - Helium, Neon, and Argon
24. Diatomic Gases - N2, O2, and H2
25. Cv and Cp values for ideal monatomic, diatomic and polyatomic gases
26. Gamma Ratio, Cp/Cv formula
27. Isochoric Process - Pressure and Temperature Formula
28. Combined Gas Law Equation
29. Isothermal Process - Constant Temperature
30. Work Done During an Isothermal Process - Natural Logarithms Derivation - Area under Curve
31. Boyle's Law - Pressure and Volume Relationship
32. Adiabatic Process - No Heat Transferred - Q=0
33. Adiabatic Expansion - Cooling Effect of an Ideal Gas
34. Adiabatic Compression - Increase in Temperature - No spark plugs needed in an internal combustion engine of this type
35. Work, Pressure, Volume and integration Formula, Calculus - Isothermal Process
36. Pressure and Volume Formula With Gamma Ratio
37. Temperature and Volume Equation With Gamma Ratio - Adiabatic Process
38. Internal Energy - State Function - Independent of Path
39. Work and Heat - Not a State Function, Path Dependent
40. PV diagram problems, work, heat, and internal energy calculations