Crash Course Kids
Defining Gravity
So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling...
World Science Festival
What is gravity?
What is gravity? It seems like a simple question, but to a physicist, it's much more complicated. At the 2016 World Science Festival, Nobel Laureate in Physics David Gross discussed why this is such a tricky question, and just what it is...
Curated Video
Black Holes Explained: What Is a Black Hole? How They Form?
A black hole is a celestial body or simply a place in space where the gravitational pull is so high that nothing, not even light can escape it. This is why it's completely black, and hence it's called a black hole. A black hole's...
Curated Video
Emission and Absorption of Infrared Radiation: Comparing Surfaces as Absorbers Experiment
The video is the second lecture presentation on the emission and absorption of infrared radiation. The presenter discusses the nature of infrared radiation and how it is absorbed and emitted by various surfaces. They then introduce an...
TED-Ed
TED-Ed: What is the universe expanding into? - Sajan Saini
The universe began in a Big Bang nearly fourteen billion years ago, and has been expanding ever since. But how does the universe expand and what is it expanding into? Sajan Saini explains the existing theories around the Big Bang and...
Visual Learning Systems
Fungi: Fungi Nutrition and Growth
From making bread to decomposing things in the environment, fungi play a very important role in our lives. Vivid video footage, accompanied by colorful animations, illustrates the fascinating origin, diversity, and characteristics of...
Seeker
WTF Is Gravity? Scientists Don’t Really Know Either (Part 1 of 3)
Gravity is a simple concept, but the “why” and the “how” are magnificently complicated. How much of gravity do we actually understand? Part 2 of 3 - https://youtu.be/lrP8ab5_-d8 Part 3 of 3 - https://youtu.be/pUsiorDJ_cM Read More:...
Hip Hughes History
The Red Scare for Dummies
Travel back in time with HipHughes as he dips and dives through America's first red scare.
Curated Video
What is gravity?
Find out how gravity affects our everyday life. Physical processes -Force and motion - Gravity Learning Points Gravity is a force that pulls everything in the Universe together. The Earth's gravity pulls everything towards its centre. A...
Curated Video
Organizing Your Essay: What Does Your Reader Need to Know First?
This video provides a step-by-step guide on how to order the points of an essay in a logical and coherent manner. It emphasizes the importance of considering what the reader needs to know first and how to reorganize the essay outline to...
Curated Video
Thermal Properties of Water: Specific Heat Capacity Experiment
This video is a lecture presentation on the thermal properties of water. The presenter discusses the specific heat capacity of water and how to calculate it using an equation. A student then demonstrates an experiment to determine the...
National Geographic
Christmas Tree Harvesting Is Gravity-Defying (and Sometimes Illegal) | National Geographic
People are risking their lives in a multimillion-dollar industry you’ve never heard of. In the Caucasus Mountains of the former Soviet republic of Georgia harvesters climb to the top of these giant Nordmann fir trees and remove some of...
Science ABC
Does Gravity 'Push' or 'Pull?'
Einstein suggested that objects aren’t pulled by massive objects, but rather pushed down by the space above them. According to General Relativity, matter warps the fabric of not only space but time as well, collectively known as the...
Curated Video
What is a force? – What happens next?
The rope tying a catapult to the ground is released … what happens next? Physical processes -Force and motion - What is force? A Twig Tidbit Film - What happens next? A short section of film is played and the children have to guess what...
Flipping Physics
What is the Maximum Speed of a Car at the Top of a Hill?
What is the maximum linear speed a car can move over the top of a semi-circular hill without its tires lifting off the ground? The radius of the hill is 1.8 meters.
Science360
What is a black hole?
What is a black hole? Hans Krimm, an observational astronomer at the National Science Foundation, answers the question on this edition of "Ask a Scientist."
Physics Girl
What is Dark Matter? A Mystery of the Universe
You've probably heard the term Dark Matter, but what is it, and how do we know it exists?
NASA
Gravity Assist: What is Astrobiology? With Mary Voytek
How did life originate and evolve here on Earth? What form could life take elsewhere – and where else could life survive beyond our planet? These are questions that scientists called astrobiologists tackle every day. By using space...
Curated Video
What Is A Black Hole? | Space Explained
Learn about black holes -- a region of spacetime where gravity is so strong that nothing can escape from it -- with this space science explained video by KLT!
Curated Video
What is Gravity/Drag? | Design Squad
This Design Squad Nation animation shows how gravity accelerates a bicyclist downhill while drag slows him down. A bike can speed up by either minimizing drag, which reduces resistance, or increasing the rider's weight, which increases...
SciShow
So what IS the Higgs boson?
Hank responds to viewer questions, and explains what the Higgs boson particle actually IS.
SciShow
Are There Male and Female Brains?
If you looked at a male and female brain side by side, would you be able to see any differences?
MinutePhysics
What is Sea Level
An oblate spheroid is a special case of an ellipsoid where two of the semi-principal axes are the same size.