Videos

Video thumbnail for What Are Sources of Energy? | Energy Explained | The Dr Binocs Show | Peekaboo Kidz
05:43
Icon for www.youtube.comyoutube.com › watch

What Are Sources of Energy? | Energy Explained | The Dr Binocs Show | Peekaboo Kidz

What Are Sources of Energy? | Classification Of Energy Sources | Types of Energy Sources | What Is Energy? | Work, Force & Energy | Forms Of Energy | Energy Conservation | Law Of Conservation Of Energy | Laws Of Energy | Natural Sources Of Energy | Natural Resources | What Is Solar Energy? | Electric Energy | Electricity | How Is Electricity ...
YouTube
· Jul 8, 2022
Video thumbnail for SOURCES OF ENERGY || SCIENCE EDUCATIONAL VIDEO FOR CHILDREN
03:06
Icon for www.youtube.comyoutube.com › watch

SOURCES OF ENERGY || SCIENCE EDUCATIONAL VIDEO FOR CHILDREN

THIS VIDEO EXPLAINS ABOUT THE SOURCES OF ENERGY LIKE SUN, WIND, WATER, BIOMASS, GEOTHERMAL, FOSSIL FUEL. FOR KID'S QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwcof3tll4ZURj6C3Xfw1b5 FOR SOLAR SYSTEM QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwu1khHIxciHO19LqXRqG05 FOR SCIENCE EDUCATIONAL VIDEOS : https://www.youtube ...
YouTube
· Jan 11, 2023
Video thumbnail for Renewable Energy Sources - Types of Energy for Kids
03:22
Icon for www.youtube.comyoutube.com › watch

Renewable Energy Sources - Types of Energy for Kids

Educational video for children to learn what renewable energy source are, which are their main properties and what types of energies exist. The sun, the wind, the power of water or the inner core heat of the Earth are examples of renewable energy sources. These energy resources are produced naturally and for this reason they are not depleted ...
YouTube
· May 26, 2020
Video thumbnail for What Is Energy? - General Science for Kids!
06:54
Icon for www.youtube.comyoutube.com › watch

What Is Energy? - General Science for Kids!

We hope you are enjoying our large selection of engaging core & elective K-12 learning videos. New videos are added all the time - make sure you come back often to learn more! If you'd like us to cover any additional topics, please let us know. For practice, assessment, and many interactive activities that go along with each video, as well as a ...
YouTube
· Jul 26, 2023
Video thumbnail for Types of Energy | Energy Forms | Energy Sources and Uses
04:05
Icon for www.youtube.comyoutube.com › watch

Types of Energy | Energy Forms | Energy Sources and Uses

Let's Learn about various energy types. For more videos go to: https://www.youtube.com/user/learningjunction Thanks for watching
YouTube
· Oct 14, 2019
Video thumbnail for What Is Energy Lesson for Kids
01:42
Icon for www.youtube.comyoutube.com › watch

What Is Energy Lesson for Kids

How to explain energy for kids? This video surely can help. As kids grow up, they enhance the memory by visual learning. Watching and observing is the basic lesson.
YouTube
· Oct 24, 2020
Video thumbnail for Energy | Forms of Energy | Law of Conservation of Energy | Science Lesson for Kids
05:13
Icon for www.youtube.comyoutube.com › watch

Energy | Forms of Energy | Law of Conservation of Energy | Science Lesson for Kids

In this video, we will learn about energy, its two types and forms. What is energy? Energy is defined as the ability to do work, which is when a force is applied to an object and it moves. Energy is divided into two types, POTENTIAL ENERGY AND KINETIC ENERGY. Potential energy is the energy stored in an object. Kinetic energy is the energy that ...
YouTube
· Sep 21, 2021
Video thumbnail for FORMS OF ENERGY || TYPES OF ENERGY || SCIENCE EDUCATIONAL VIDEO FOR CHILDREN
05:42
Icon for www.youtube.comyoutube.com › watch

FORMS OF ENERGY || TYPES OF ENERGY || SCIENCE EDUCATIONAL VIDEO FOR CHILDREN

THIS VIDEO EXPLAINS ABOUT VARIOUS FORMS OF ENERGY. IT IS HELPFUL FOR CHILDREN. FOR KID'S QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwcof3tll4ZURj6C3Xfw1b5 FOR SOLAR SYSTEM QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwu1khHIxciHO19LqXRqG05 FOR SCIENCE EDUCATIONAL VIDEOS : https://www.youtube.com/playlist?list ...
YouTube
· Jan 5, 2023
Video thumbnail for Types of Energy for Kids - Renewable and Non-Renewable Energies
09:06
Icon for www.youtube.comyoutube.com › watch

Types of Energy for Kids - Renewable and Non-Renewable Energies

Educational video for children to learn what energy is and what renewable and non-renewable energies are. In this compilation, children will discover that energy is transformed, transferred, transported and stored. They will also discover that there are many types of energy: thermal energy, mechanical energy, electric energy, chemical energy ...
YouTube
· Jul 9, 2020
Video thumbnail for Sources Of Energy - Introduction, Sources, Types, Examples, Differences, and FAQs
02:39
Icon for byjus.combyjus.com › physics

Sources Of Energy - Introduction, Sources, Types, Examples, Differences, and FAQs

Learn about sources of energy along with the difference between conventional and non-conventional sources of energy at BYJU’S. Know more about sources of energy here.
byjus.com
· Jul 14, 2020
Video thumbnail for TYPES OF ENERGY | Physics Animation
09:57
Icon for www.youtube.comyoutube.com › watch

TYPES OF ENERGY | Physics Animation

Hello, Learners! This is EarthPen. Today, we are going to talk about another fun topic in Physics. It is all about the types of energy. Energy can be categorized into two broad topics; kinetic energy and potential energy. These two are the basic forms of energy. And we know that kinetic energy is the energy of moving objects while potential ...
YouTube
· Apr 2, 2021
Video thumbnail for Energy and Different Forms of Energy with Examples
04:11
Icon for www.youtube.comyoutube.com › watch

Energy and Different Forms of Energy with Examples

"Energy is the ability of a body to work. There are various forms of energy. Some of them are heat energy, light energy, electrical energy, chemical energy, sound energy, mechanical energy, potential energy, kinetic energy, and nuclear energy." Want to access more content for free to prepare for your board exams? Visit http://www ...
YouTube
· Feb 19, 2019
Video thumbnail for Electricity – Sources and Uses
04:53
Icon for www.youtube.comyoutube.com › watch

Electricity – Sources and Uses

#ngscience @ngscience #electricity #energy https://ngscience.com Electricity is an essential part of modern life. It powers our homes, our schools, our workplaces, and our devices. But where does electricity come from, and how do we use it? Sources of Electricity: There are several sources of electricity. A common source is through the use of ...
YouTube
· May 12, 2023
Video thumbnail for How do we get energy from food? - BBC Bitesize
Icon for www.bbc.co.ukbbc.co.uk › bitesize

How do we get energy from food? - BBC Bitesize

Find out how food gives us energy throughout the day with 1st level Health and Wellbeing on Bitesize.
bbc.co.uk
· May 29, 2021
Video thumbnail for Sources of Heat
01:52
Icon for www.youtube.comyoutube.com › watch

Sources of Heat

#ngscience #heat #energy #@ngscience https://ngscience.com What is a source of heat? How do we use sources of heat during the dy and around the home? Applies to the Grade 1 and Grade 2 Next Generation Science Standards (NGSS). Visit ngscience.com for free worksheets and interactive content relating to this topic. Take two cups and fill them ...
YouTube
· Oct 24, 2020
Video thumbnail for Heat and Light from the Sun
01:56
Icon for www.youtube.comyoutube.com › watch

Heat and Light from the Sun

#ngscience #light # heat https://ngscience.com Simple explanatory video on the light and heat from the Sun and how it is used by plants, animals and people. Worksheets and related interactive content can be found at ngscience.com. Aligned to the NGSS USA science standards.
YouTube
· May 22, 2021
Video thumbnail for Where does energy come from? What are the main types of energy? - BBC Bitesize
Icon for www.bbc.co.ukbbc.co.uk › bitesize

Where does energy come from? What are the main types of energy? - BBC Bitesize

Find out where energy comes from and what the main types of energy are. BBC Bitesize Scotland Learning for Sustainability article for Second Level CfE.
bbc.co.uk
· Nov 19, 2023
Video thumbnail for Solar Energy | Science for Kids
05:20
Icon for www.youtube.comyoutube.com › watch

Solar Energy | Science for Kids

#solarenergy Hey kids! In today's video, we will be learning about solar energy. Did you know that the sun can provide us energy that we convert to electricity to power up houses and buildings? Want to know more about solar energy? Join us!
YouTube
· Oct 29, 2022
Video thumbnail for What is Energy?
03:09
Icon for www.youtube.comyoutube.com › watch

What is Energy?

energy #work #ngscience https://ngscience.com What exactly is energy? Let's find out! Energy is all around us. We cannot see energy, but we can see the things that energy does. Energy makes things move. It powers the machines we use. It can make things get hotter or produce sound. Energy is used to light up our homes and cities and power the ...
YouTube
· Mar 5, 2022
Video thumbnail for Heat Energy Definitions & Examples | Primary School Science Animation
08:06
Icon for www.youtube.comyoutube.com › watch

Heat Energy Definitions & Examples | Primary School Science Animation

Join Heat Mama as she whips up a delicious meal and introduces you to Heat Energy! Learn all about the basics of its definitions, examples, and more; made simple for primary-schoolers to understand better. Learn the following Science concepts: - Heat Energy definition - Sources of Heat, Sun and Heat Energy - Heat Energy and Electricity, Fuel ...
YouTube
· May 4, 2022
Video thumbnail for The differences between renewable and non-renewable energy - BBC Bitesize
Icon for www.bbc.co.ukbbc.co.uk › bitesize

The differences between renewable and non-renewable energy - BBC Bitesize

What is renewable and non-renewable energy? Learn about the different types of energy and their sources in this energy and sustainability guide.
bbc.co.uk
· Nov 12, 2021
Video thumbnail for P1 Science - Electricity
03:47
Icon for www.youtube.comyoutube.com › watch

P1 Science - Electricity

This video is for Primary 1 Science, an introduction to electricity. Enjoy!
YouTube
· May 9, 2020
Video thumbnail for GCSE Physics - Energy Stores, Transferring Energy & Work Done
05:10
Icon for www.youtube.comyoutube.com › watch

GCSE Physics - Energy Stores, Transferring Energy & Work Done

In this video you'll learn: - The 'conservation of energy principle' - The different energy stores - How energy is transferred between stores - What we mean by 'work done' General info: - Suitable for all GCSE and IGCSE courses Exam board specific info: AQA - Everything is relevant to your course! IGCSE Edexcel - Everything is relevant to your ...
YouTube
· May 21, 2019
Video thumbnail for GCSE Physics - Conservation of Energy
03:24
Icon for www.youtube.comyoutube.com › watch

GCSE Physics - Conservation of Energy

This video covers: - Conservation of energy principle - Open vs closes systems - Examples of how energy is transferred General info: - Suitable for all GCSE and IGCSE courses Exam board specific info: AQA - Everything is relevant to your course! IGCSE Edexcel - Everything is relevant to your course! Edexcel - Everything is relevant to your ...
YouTube
· Jun 18, 2019
Video thumbnail for Sources of Energy | Energy Forms | Science | Grade -2,3
06:30
Icon for www.youtube.comyoutube.com › watch

Sources of Energy | Energy Forms | Science | Grade -2,3

Sources of Energy | Energy Forms | Types of Energy | Science | Grade -2,3 Topics covered: Why do we eat food? All living thing need energy to grow up How plants get energy to grow up? Every change require energy Where does this energy comes from? Different sources of energy Muscular energy, Heat energy, Solar Energy, Electric energy, Wind ...
YouTube
· Jun 28, 2022
Video thumbnail for Renewable Energy Video for Kids | Science Lesson for Grades 3-5 | Mini-Clip
02:06
Icon for www.youtube.comyoutube.com › watch

Renewable Energy Video for Kids | Science Lesson for Grades 3-5 | Mini-Clip

Renewable Energy Video for Kids. For the complete lesson and activities click the link below. ️ ️ ️ FREE ACCESS to Teacher/Student Resources: http://generationgenius.com/watch Renewable & Non-Renewable Energy is awesome! In this lesson, Dr. Jeff, Izzy and Zoe help you learn about ethanol, solar power, fossil fuels and more. This fun video ...
YouTube
· Oct 6, 2018
Video thumbnail for ✨Learn about Heat, Light and Sound for grade 1 🚀🎉| First Grade Science #heat #light #sound
03:04
Icon for www.youtube.comyoutube.com › watch

✨Learn about Heat, Light and Sound for grade 1 🚀🎉| First Grade Science #heat #light #sound

Learn about Heat, Light and Sound for grade 1 with Learn with Miral! This delightful video, perfect for young learners, ignites curiosity and sparks wonder as we explore this fascinating worlds. OUTLINE: 00:00:00 Welcoming our Little Explorers! 00:00:33 Discovering Heat 00:01:13 Illuminate with Light 00:01:50 The Magic of Sound 00:02:34 Quick ...
YouTube
· Dec 9, 2023
Video thumbnail for Energy Transfer for Kids | Science Lesson for Grades 3-5 | Mini-Clip
02:27
Icon for www.youtube.comyoutube.com › watch

Energy Transfer for Kids | Science Lesson for Grades 3-5 | Mini-Clip

Energy Transfer for Kids. For the complete lesson and activities click the link below. ️ ️ ️ FREE ACCESS to Teacher/Student Resources: http://generationgenius.com/watch Energy Transfer by Electricity, Light, Sound & Heat is awesome! In this lesson, Dr. Jeff, Izzy and Zoe help you learn about it through a fun video for kids in 3rd, 4th and ...
YouTube
· Oct 6, 2018
Video thumbnail for What is Light Energy?
02:51
Icon for www.youtube.comyoutube.com › watch

What is Light Energy?

This video explores light energy. It explains that light travels in waves called electromagnetic waves and that it is the only type of energy we can see with out eyes. Without light energy, we couldn't see anything at all! The video goes on to explain that light travels in straight lines. When it hits an object, it can pass through, be ...
YouTube
· Sep 15, 2022
Video thumbnail for Conservation Of Energy | Energy | Physics | FuseSchool
03:33
Icon for www.youtube.comyoutube.com › watch

Conservation Of Energy | Energy | Physics | FuseSchool

Conservation Of Energy | Energy | Physics | FuseSchool In all changes - energy (measured in joules) does not get used up; energy is “CONSERVED”. However, energy becomes less and less useful ending up as environmental waste heat, so we always have to come back to an energy source for more. See what we mean in this video! CREDITS Animation ...
YouTube
· Sep 24, 2020
Video thumbnail for Light and Heat - Science Lesson For Grade 1
04:13
Icon for www.youtube.comyoutube.com › watch

Light and Heat - Science Lesson For Grade 1

Science Topic Lesson for Grade 1
YouTube
· Apr 29, 2020
Video thumbnail for 5 Types of Energy | Energy Transformation
01:00
Icon for www.youtube.comyoutube.com › watch

5 Types of Energy | Energy Transformation

5 Types of Energy. Energy Transformation By STEAMspirations 🔥 The Must-Have Digital Toolkit for Mastering Force, Motion and Energy! Crafted by Experts! 👉📲 Get it Now: https://www.teacherspayteachers.com/Product/LVL-Up-Science-Force-Motion-Energy-Digital-Edition-8395630 TEKS Addressed: *5.6A Explore the uses of energy, including ...
YouTube
· Sep 26, 2021
Video thumbnail for Energy Lesson 1: What is energy? for kids
05:49
Icon for www.youtube.comyoutube.com › watch

Energy Lesson 1: What is energy? for kids

Looking for Energy lessons for kids that are ready to go? These Kinetic and Potential, transfer of energy, speed and energy, and what is energy videos are perfect for your 4th grade students! The lessons are aligned to the 4th grade NGSS standards. Get the resource here t.ly/QpZ6 Find lessons for Weathering, Erosions, and Deposition: https ...
YouTube
· Mar 22, 2021
Video thumbnail for Types of Energy - Basic Introduction
32:57
Icon for www.youtube.comyoutube.com › watch

Types of Energy - Basic Introduction

This physics video tutorial provides a basic introduction into the different types of energy such as kinetic energy, gravitational potential energy, chemical potential energy, elastic potential energy, electric potential energy, light energy, sound energy, thermal energy, pressure energy, and mechanical energy. Work, Energy, & Power - Free ...
YouTube
· Aug 7, 2023
Video thumbnail for Forms of Energy
09:55
Icon for www.youtube.comyoutube.com › watch

Forms of Energy

This lecture is about forms of energy like kinetic energy, potential energy, sound energy, mechanical energy, electrical energy, nuclear energy, radiant energy, elastic energy, etc. In this lecture, I will teach you 10 forms of energy. After watching this lecture, you will learn the different forms of energy easily. To learn more, watch this ...
YouTube
· Apr 18, 2022
Video thumbnail for What is Geothermal Energy | Science for Kids
04:19
Icon for www.youtube.comyoutube.com › watch

What is Geothermal Energy | Science for Kids

#geothermal Hey kids! In today's video, we will be learning about Geothermal Energy. Did you know that Geothermal energy can be used for a variety of things, such as heating buildings, generating electricity, and even growing plants in greenhouses? If you want to know more about geothermal energy, come on in and join us in todays lesson.
YouTube
· Feb 16, 2023
Video thumbnail for Forms of Energy
07:52
Icon for www.youtube.comyoutube.com › watch

Forms of Energy

This instructional video is about the five different forms of energy. It gives an explanation and example of each one: Light/Radiant Energy, Sound Energy, Heat/Thermal Energy, Mechanical Energy, and Chemical Energy. To watch more instructional videos and teacher tech tips, please visit my YouTube page at: https://www.youtube.com/user ...
YouTube
· Sep 18, 2020
Video thumbnail for Renewable Energy 101: How Does Geothermal Energy Work?
01:01
Icon for www.youtube.comyoutube.com › watch

Renewable Energy 101: How Does Geothermal Energy Work?

https://www.greenmountainenergy.com/why-renewable-energy/renewable-energy-101/geothermal/ While some renewable energy sources — like the sun, the wind, and water — can easily be seen and/or felt, geothermal (or simply “thermal”) energy comes from a more enigmatic source: the heat far below the Earth’s crust. For more than 100 years ...
YouTube
· Jan 1, 2009
Video thumbnail for Energy Resources - IGCSE Physics
15:05
Icon for www.youtube.comyoutube.com › watch

Energy Resources - IGCSE Physics

Covering all the renewable and non-renewable energy resources for IGCSE Physics - includes the energy changes and how they work.
YouTube
· Apr 17, 2014
Video thumbnail for RENEWABLE AND NON RENEWABLE RESOURCES | NATURAL RESOURCES | SCIENCE EDUCATIONAL VIDEO FOR CHILDREN
03:55
Icon for www.youtube.comyoutube.com › watch

RENEWABLE AND NON RENEWABLE RESOURCES | NATURAL RESOURCES | SCIENCE EDUCATIONAL VIDEO FOR CHILDREN

THIS VIDEO EXPLAINS ABOUT THE NATURAL RSOURCES AND ITS TWO TYPES RENEWABLE AND NON RENEWABLE RESOURCES. FOR KID'S QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwcof3tll4ZURj6C3Xfw1b5 FOR SOLAR SYSTEM QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwu1khHIxciHO19LqXRqG05 FOR SCIENCE EDUCATIONAL VIDEOS : https://www.youtube ...
YouTube
· Sep 14, 2021
Video thumbnail for What is Wind Energy | Science for Kids
03:35
Icon for www.youtube.comyoutube.com › watch

What is Wind Energy | Science for Kids

#windenergy Hey kids! In today's video, we will be learning about Wind Energy. Did you know that there are two main types of wind energy? That's right. It is onshore and offshore wind energy. If you want to know more about wind energy, come on in and join us in todays lesson.
YouTube
· Mar 1, 2023
Video thumbnail for What Are The Main Types Of Energy? - Mechanical, Electric, Light, Thermal, Sound | Form Of Energy
05:30
Icon for www.youtube.comyoutube.com › watch

What Are The Main Types Of Energy? - Mechanical, Electric, Light, Thermal, Sound | Form Of Energy

🔥 The Must-Have Digital Toolkit for Mastering Force, Motion and Energy! Crafted by Experts! 👉📲 Get it Now: https://www.teacherspayteachers.com/Product/LVL-Up-Science-Force-Motion-Energy-Digital-Edition-8395630 In this video, we are going to talk about the main types of energy. The main types of energy are mechanical, electric, light ...
YouTube
· Aug 27, 2021
Video thumbnail for Introduction to Energy
05:10
Icon for www.youtube.comyoutube.com › watch

Introduction to Energy

Organized by textbook: https://learncheme.com/ An introduction to the first law and explanation of the terms in the energy balance. An updated version of this screencast is available at: https://www.youtube.com/watch?v=sBNsM2-fkTw&list=PL4xAk5aclnUiDazeSqz59Zb9NC1a2AK0q&index=54 Made by faculty at the University of Colorado Boulder Department ...
YouTube
· Nov 1, 2012
Video thumbnail for How is wind energy produced? - Sustainability for kids Part 1 | Vestas
02:07
Icon for www.youtube.comyoutube.com › watch

How is wind energy produced? - Sustainability for kids Part 1 | Vestas

Sustainability for kids is a Vestas’ initiative designed for children to explain what wind energy is, why it is so important and how it works. Young people are the future and should be at the center of any plan intended to bring about change and sustained prosperity. Based on this premise, and as part of our "Sustainability in Everything We ...
YouTube
· Apr 22, 2021
Video thumbnail for How do solar panels work? - Richard Komp
04:59
Icon for www.youtube.comyoutube.com › watch

How do solar panels work? - Richard Komp

View full lesson: https://ed.ted.com/lessons/how-do-solar-panels-work-richard-komp The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels ...
YouTube
· Jan 5, 2016
Video thumbnail for Energy Transfer in Trophic Levels
02:42
Icon for www.youtube.comyoutube.com › watch

Energy Transfer in Trophic Levels

Learn about producers, consumers (herbivores, carnivores and omnivores), decomposers (detritivores), energy transfer and energy loss, and food chains and food webs in this video!
YouTube
· Mar 23, 2015
Video thumbnail for SOURCES OF HEAT || SCIENCE VIDEO FOR CHILDREN
01:57
Icon for www.youtube.comyoutube.com › watch

SOURCES OF HEAT || SCIENCE VIDEO FOR CHILDREN

THIS VIDEO EXPLAINS THE SOURCES OF HEAT LIKE SUN, COMBUSTION, FRICTION AND ELECTRICITY. IT IS USEFUL AND EASY TO UNDERSTAND FOR CHILDREN. FOR KID'S QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwcof3tll4ZURj6C3Xfw1b5 FOR SOLAR SYSTEM QUIZ : https://www.youtube.com/playlist?list=PLSzuwmVgelNwu1khHIxciHO19LqXRqG05 FOR SCIENCE ...
YouTube
· Feb 16, 2021
Video thumbnail for science 3 Q3 W4 HEAT AND LIGHT ENERGY
17:08
Icon for www.youtube.comyoutube.com › watch

science 3 Q3 W4 HEAT AND LIGHT ENERGY

Learning Competency The learners should be able to describe the uses of light, sound, heat, and electricity.
YouTube
· Mar 4, 2022
Video thumbnail for [TEACHER VIBAL] Science Fridays: Light, Sound, and Heat
14:12
Icon for www.youtube.comyoutube.com › watch

[TEACHER VIBAL] Science Fridays: Light, Sound, and Heat

Good morning, kids! For our episode today, Teacher Janelle will help the students in Grades 1 to 2 learn the three forms of energy, their sources, how they travel, and their uses. Join us and have a Scienterrific Friday! #TeacherVibal Check out Vibal's Happy Homeschool program for SY 2020. Visit https://happy.learnathome.ph to know more!
YouTube
· Jan 15, 2021
Video thumbnail for ENERGY SONG FOR KIDS
02:38
Icon for www.youtube.comyoutube.com › watch

ENERGY SONG FOR KIDS

#energysong #kidssong #sciencesongs
YouTube
· Oct 14, 2020