SciShow
Why Do I Have to Use a Number 2 Pencil?
Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains!
SciShow
Do You Need a Copper Pot?
Some chefs swear by copper pots and pans, but they are much more expensive than other materials. Are they worth it? Well, it all comes down to electrons!
Crash Course
Electrical Power, Conductors, & Your Dream Home: Crash Course Engineering #21
Today, we'll explore the materials electrical engineers work with. We'll look at high-conductors, insulators, and how low-conductivity conductors can be used to generate light and heat.
Bozeman Science
Resistivity
In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...
Curated Video
Solid State Electrical Properties and Band Theory
Electrical conductivity varies from metals to insulators. Solids can be divided into three categories: conductors, insulators, and semiconductors. Conductors are solids through which electricity can flow to a large extent, classified as...
Curated Video
Metal Excess Defect in Zinc Oxide ZnO
Metal excess defect due to excess cations occurs when extra positive ions (cations) are present in the crystal lattice, occupying interstitial sites to maintain electrical neutrality. To balance the excess positive charge, electrons are...
Curated Video
Band Theory Breakdown Conduction in Various Substances
Band Theory Dissection: Conduction in Various Substances The band theory of solids is a fundamental concept in solid-state physics that explains the conduction of electricity in substances based on the arrangement of energy levels in the...
Science ABC
How Transistors Work - A Quick and Basic Explanation
Do you know how transistors work? What is it about transistors that make them the building block of so many electronic items, like computer, laptops, smartphones and tablets these days? What is a transistor? The transistor is arguably...
Curated Video
Semiconductor
A material whose electrical conductivity is in between that of a conductor and an insulator. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Wonderscape
Understanding Chemical Reactions: Physical vs. Chemical Changes
Explore the concepts of physical and chemical changes in matter through examples like cookies and rust. Learn how to distinguish between physical properties and chemical reactions. All About Chemical Reactions part 1
Curated Video
Shocking Talent: Unveiling the Secrets of Battery Man
Dive into the electrifying world of Slavisa Pajkic, also known as Battery Man, who stuns audiences by conducting electricity through his body in ways that seem to defy science. Learn how he uses knowledge of electrical principles to...
Curated Video
GCSE Physics - Conduction, Convection and Radiation #5
In this video we cover: - The 3 ways heat energy can be transferred - How heat is conducted through solids - What thermal conductivity means - How convection cycles work - What radiation is General info: - Even if you don’t need to know...
Flipping Physics
Resistance and Ohm's Law
In this video, the relationship between current density, conductivity, and electric field is discussed, with a focus on Ohm's law and resistivity. The video also covers the differences between resistance and resistivity. The practical...
Science Buddies
Measure Electrolytes in Sports Drinks - Science Project
What has more electrolytes, Gatorade or orange juice? Find out in this science project as you build a circuit to measure the electrolyte content of different drinks. Science Project Kit:...
TMW Media
Virtual Archaeology: Learn how tools are used to collect the data
How are these tools used without digging into the ground? How is the data used to make 3D models? Virtual Archaeology, Part 2
Curated Video
Comparing Materials: Evaluating Properties for Different Applications
The video discusses how to evaluate and compare different materials, including their properties, costs, lifetime costs, environmental impact, and aesthetics. It gives examples of selecting suitable materials for building a house and...
Curated Video
How Transistors Work - A Quick and Basic Explanation
Do you know how transistors work? What is it about transistors that make them the building block of so many electronic items, like computer, laptops, smartphones and tablets these days? What is a transistor? The transistor is arguably...
EarthEcho International
Youth in Action: Students Investigate Ocean Acidification and Salmon Decline in the Puget Sound
High School students from Seattle, WA, and Bainbridge, WA, area schools worked throughout the summer of 2015 on a seasonal pH monitoring project in Puget Sound. Through their citizen science efforts, a long-term partnership with the...
TMW Media
Periodic Table of Elements Part 3: Learn about Alkali metals
What are the properties of Alkali metals? What is ionic bonding? What are the most reactive elements of Alkali? What is known about Lithium? Why is Lithium the least reactive? What can Lithium be alloyed with? Periodic Table of Elements...
Science Buddies
Measure Static Electricity With An Electroscope!
Find out about static electricity in this STEM activity and measure which materials get charged the easiest with the help of a homemade electroscope!
msvgo
Comparison of Physical Properties of Metals and Non-Metals
It explains the physical properties of metals and non-metals.
Curated Video
The Many Uses of Copper: From Bronze Age to Modern Applications
This video provides a brief overview of copper, highlighting its unique properties and various uses in different industries. It explores how copper is used in electrical connections, plumbing, industrial machinery, architecture, and the...
Professor Dave Explains
Conductivity and Semiconductors
Why do some substances conduct electricity, while others do not? And what is a semiconductor? If we aim to learn about engineering and technology, this will be a very important concept, so let's go through the basics now!
Curated Video
NASA's operation to track Greenland's melting ice ++VIDEO REPLAY UPDATED SCRIPT++
GREENLAND ICE PROBE