#Pulleys #CompoundPulleys #TypesOfCompoundPulleys

This video is part of a playlist having the following videos. Watch all of them in sequence for a better learning experience.
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Video No.1: Simple Machines(Part-1)
https://youtu.be/JlA6T_64o0c?l....ist=PLoPH9JUqy7EQITA

Video No.2: Simple machines (Part-2)
https://youtu.be/NcmRJspWyNo?l....ist=PLoPH9JUqy7EQITA

Video No.3: Simple Machine – Lever and its types
https://youtu.be/5HTaJ2mCGTw?l....ist=PLoPH9JUqy7EQITA

Video No.4: Lever | Effort arm and load arm of a Lever
https://youtu.be/HAhf311RZkY?l....ist=PLoPH9JUqy7EQITA

Video No.5: Calculating Mechanical Advantage of Lever
https://youtu.be/wIaHQsxGj78?l....ist=PLoPH9JUqy7EQITA

Video No.6: Gears(Part-1) | Characteristics | Gearing Up | Gearing Down
https://youtu.be/0RGzUQ6LJnw?l....ist=PLoPH9JUqy7EQITA

Video No.7: Gears(Part-2)Types and Functions
https://youtu.be/f8lqpMLZlBc?l....ist=PLoPH9JUqy7EQITA

Video No.8: Simple Machines–Compound Pulleys and its Types
https://youtu.be/NOeRoLgvYZM?l....ist=PLoPH9JUqy7EQITA

Video No.9: Simple Machines–Pulley and its types
https://youtu.be/EhI-mmQMVkU?l....ist=PLoPH9JUqy7EQITA

Our young ones can learn about the following topics by watching this short educative video:
Topics Covered:

• Compound pulleys
• Block and tackle
• Types of compound pulleys
• The mechanical advantage of compound pulleys
• Uses of pulleys in our daily life
I hope you liked our video.
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If we want to learn high-level concepts, we should have a clear understanding of the basic concepts. For instance, if kids don't know about addition and subtraction, they cannot do multiplication, and if they don't know about multiplication, they cannot do division, and if they don't have knowledge of these four basic operations, Algebra cannot be done by them, and it goes on and on.

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⁣Grade 8 Science

This is a video demonstrating a project I do with my young students. Students use repetition of curved lines to create the illusion of rounded forms on a flat paper. Students also practice coloring small shapes developing fine motor shills as well as patience and persistence.

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To vote for Shawn, go to http://www.youtube.com/davos then click "vote." Click on Shawn's video, "A Message to Davos," and then thumb it up! You can vote once every day!

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Shirts and Stuff: http://dftba.com/artist/30/Vlogbrothers
Hank's Music: http://dftba.com/artist/15/Hank-Green
John's Books: http://amzn.to/j3LYqo

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======================

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A Bunny
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Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the universe, and it has a wealth of information to tell us if we can learn to read it.

Watch this video in Spanish on our Crash Course en Español channel! https://youtu.be/AmOl0v_3jsc

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
Download it here for Apple Devices: https://apple.co/3d4eyZo
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Table of Contents
Dmitri Mendeleev - 0:45
Mendeleev's Organization of the Periodic Table - 2:31
Relationships in the Periodic Table - 5:03
Why Mendeleev Stood Out from his Colleagues - 7:09
How the Periodic Table Could be Improved - 8:28

More info about the cylindrical periodic table of elements: http://www.av8n.com/physics/periodic-table.htm

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⁣Grade 10 English

⁣Grade 10 Commerce

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SUMMARY: This movie explains the biology of enzymes. Enzymes are protein catalysts that accelerate chemical reactions by lowering activation energy, playing a crucial role in processes like digestion and metabolism in all organisms. They bind to substrates at their active site, facilitating the transformation of reactants into products, and their function depends on factors like pH and temperature. However, changes in these environmental conditions can denature enzymes, reducing or destroying their activity, making them essential but sensitive players in biological systems.

My hope is that this video will catalyze lots of learning.

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Enzymes LYRICS:
They're the protein catalysts in every organism
ENZYMES!
Through enzymatic action your metabolism's driven
ENZYMES!
In staphylococcus, jellyfish, tarantulas and trees,
They lower activation energy
Enzymes, in you and me now
ENZYMES!

You got 'em in your cells where they do cellular digestion,
ENZYMES!
You got 'em in your mouth and in your stomach and intestines
ENZYMES!
The thing an enzyme acts upon is called a substrate.
They fit like lock and key with complementary shape
Enzymes, speed up reaction rates
ENZYMES!

An enzyme binds its substrate at its active site
ENZYMES!
Bound together in a complex where they snuggle so tight,
ENZYMES!
New bonds will form and break due to the active site's chemistry
Reactants become products, it's the enzyme's specialty,
Product gets release enzyme repeats its action readily
ENZYMES!

Like any molecule an enzyme's shape defines its function.
ENZYMES!
Environmental change that changes shape leads to malfunction,
ENZYMES!
Every enzyme has a pH where it catalyzes best,
a pH change will set enzyme activity to rest.
Enzymes are so sensitive they're easily upset
ENZYMES!

More heat until a certain point increases their efficiency
ENZYMES!
But too much heat denatures them destroying their activity
ENZYMES!
That's why a fever running high's a dangerous situation,
All that heat can alter enzymatic conformation.
Keep it 98.6 for enzyme optimization
ENZYMES!

Enzymes in saliva will break starch into glucose
ENZYMES!
If you lack the enzyme lactase then you won't enjoy milk lactose,
ENZYMES!
Tay-sachs, galactosemia and PKU disease,
All caused by inherited enzyme deficiencies
ENZYMES, they're what everybody needs
ENZYMES!

⁣A preposition is a word or group of words used before a noun, pronoun, or noun phrase to show direction, time, place, location, spatial relationships, or to introduce an object. Some examples of prepositions are words like "in," "at," "on," "of," and "to." Prepositions in English are highly idiomatic.

⁣A proportion is an equation in which two ratios are set equal to each other. For example, if there is 1 boy and 3 girls you could write the ratio as: 1 : 3 (for every one boy there are 3 girls) 1 / 4 are boys and 3 / 4 are girls. 0.25 are boys (by dividing 1 by 4)

3rd grade science is a blast with these lesson videos. Learn about plants and other exciting science concepts. Every matter discussed can prepare students for science projects and other interactive activities for 3rd grade science.

00:00 Earthquakes
6:15 Plant parts and functions
16:39 Solids and liquids
22:47 Planets in our solar system
39:37 Pollination

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3rd Grade Science Compilation

Place Value, Tens and Ones helps children understand the concept and give practice in techniques to navigate it. Premier Mr. B's Brain Videos:
Letter L Songs: https://youtu.be/Nz8edFn2GSM
Subtraction Magic: https://youtu.be/96kDx-yw3f0
Addition Gameshow: https://youtu.be/BIu3QBSn0ig
2D vs. 3D Shapes: https://youtu.be/YxoLlSTu1jo
Addition Song: https://youtu.be/v6cMscvg3TE
Phonics CVC Blend Reading: https://youtu.be/tpLKilWB3mw
Spelling: https://youtu.be/R_kJg5Dk2qQ

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This video on place value shows different ways to understand tens and ones (10s and 1s) using tens rods and ones cubes. It also includes real world math examples of these two-digit numbers.

⁣The word "children" is the plural form of the word "child," and in English, the verb conjugation for plural nouns is different from that of singular nouns. Therefore, when referring to more than one child, you would use the plural verb form "are." For example: "The children are playing in the park."

https://www.patreon.com/homeschoolpop Learn about Paul Revere in this short learning video for kids! You will learn basic facts about Paul Revere and the role he played in the American Revolutionary War!

00:00 Introduction
0:47 Who was Paul Revere?
1:01 Paul Revere in his youth
1:23 The Sons of Liberty
1:44 The Boston Tea Party
2:11 The famous ride of Paul Revere


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