American Chemical Society
How Do We Tell Temperature?
Explore the science behind thermometers. Rather than measuring temperature, thermometers track the movement of heat from hot to cold. The installment of the ACS Reactions series examines the chemical response that make thermometers work.
Socratica
Empirical Formula
With empirical formulas, it's all about keeping it simple! Introduce the concept of empirical formula to your chemistry scholars through a detailed video from Socratica's Chemistry Lessons series. The resource uses visual...
Socratica
Chemistry: Ionic Bonds vs Covalent Bonds (Which is Stronger?)
Both ionic and covalent bonds present as strong bonds, but which is stronger? Socratica presents a video from its chemistry playlist that attempts to answer this question. It addresses how strength is measured and the range of strengths...
PBS
The Age of Giant Insects
The largest arthropod that walked on land measured more than two meters long. An intriguing video looks invertebrates throughout the history of Earth. It explains the drastic differences and why scientists theorize they evolved in this...
Socratica
Using Scientific Notation
Scientists and engineers in every field use scientific notation. The Socratica video explains what scientific notation is and why people use it. Then, it offers examples of how to convert a number into and out of scientific notation....
Socratica
Chemistry: Average Atomic Mass (AMU, Daltons, etc.)
Scientists created a new measurement, the atomic mass unit, which is defined as carbon 12 = 12amu. So why isn't carbon listed as having exactly 12 amu on the periodic table? An installment from the Socratica chemistry playlist answers...
Socratica
Chemistry: How to Write Electron Configuration
Before determining which electrons are available for reactions, scientists identify each atom's electron configuration. An informative video from Socratica's chemistry playlist includes how to write electron configurations. It explains...
Socratica
Chemistry: What Is a Covalent Bond? (Polar and Nonpolar)
When it comes to covalent bonding, sharing is caring! As part of the Socratica chemistry playlist, a useful video explains the definition of covalent bonding. Then, it works through examples of single bonding, double bonding, polar...
Socratica
What Are Intermolecular Forces?
Johannes Diderik van der Waals won the Nobel Prize for physics in 1910. The video, part of the Socratica chemistry playlist, explains what the van der Waals forces are and how they interact based on type. It details dipole interactions...
Socratica
Chemistry: What is pH—How to Calculate pH
Is it better to drink an acid or a base? An informative video explains what pH is and how to calculate it. As part of a larger chemistry playlist, it features both the Arrhenius and Bronsted-Lowry definitions. It also demonstrates...
Socratica
Chemistry: Intro to Stoichiometry with Grilled Cheese Sandwiches
What do grilled cheese sandwiches have to do with chemistry? Show your class the answer and introduce them to stoichiometry using an intriguing video from the Socratica chemistry playlist. Through an easy example—making a grilled cheese...
Socratica
Chemistry: Stoichiometry Part 2—Mass to Mass Conversions
The term stoichiometry derives from the Greek words stoicheion meaning element and metron meaning measure. The second Socratica video in a two-part series within a larger chemistry playlist introduces more complex stoichiometry...
PBS
How Do You Measure the Size of the Universe?
The universe is 90 billion light years in diameter. How do scientists measure something so huge? Space Time explains the process as part of its larger Cosmology playlist. The video addresses the steps to solving the puzzle as well as how...
PBS
Will the Universe Expand Forever?
Scientists from Newton to Friedmann debated the future of the universe. Many scientists thought the universe might collapse on itself in a big crunch, but new mathematical models finally gave us an official answer. The Space Time video,...
PBS
Cosmic Microwave Background Explained
As part of their Cosmology series Space Time presents a video that explains the history of electromagnetic waves and the shifting and expanding wavelengths. It finishes by exploring cosmic microwave background radiation.
PBS
What Happens at the Edge of the Universe?
The cosmic even horizon of the universe is closer to us than the particle horizon. Space Time's Cosmology playlist tackles this and other complex concepts about the universe. The video discusses how the scientists define the edge of the...
PBS
How Cosmic Inflation Flattened the Universe
What if time didn't begin with the big bang? Big Bang doesn't completely answer questions about the beginning of the universe, but cosmic inflation theory holds up better according to scientists in this video. Cosmic inflation fits so...
PBS
Why the Big Bang Definitely Happened
According to Space Time, many different studies prove the Big Bang happened. Part of a larger Cosmology playlist, it discusses the common arguments against and the newest science supporting the theory.
PBS
What’s Wrong with the Big Bang Theory?
A video highlights the contradictions in the Big Bang Theory and then discusses the need for a unifying theory of everything. Space Time presents an enlightening video as part of a larger series on Cosmology.
PBS
The True Nature of Matter and Mass
Scientists know mass is energy, but what is energy? An engaging Space Time video delves into the topic as part of its The Origin of Matter and Time playlist. From quarks and gluons with no mass to the gravitational effect, the true...
PBS
When Time Breaks Down
Some define time by motion, but how exactly does this work? Space Time added a video as part of its The Origin of Matter and Time playlist to explore just this question. It breaks down the relationships between matter, motion, and time....
Be Smart
Asteroids, Meteors, Comets… and the End of the World?
Dinosaurs owe their destiny to an asteroid. What are the chances humans will meet the same fate? A fascinating video lesson considers the probability of an asteroid colliding with the earth while taking into account variations in...
Be Smart
Is Space a Thing?
Travel through time to learn from some of the world's greatest scientists. The narrator of a thought-provoking video investigates the theories of Newton, Mach, and Einstein among others to determine if space itself is a thing. Viewers...
Be Smart
Asteroid Mining: Our Ticket To Living Off Earth?
It turns out asteroids could be a gold mine—literally! An It's Ok To Be Smart video lesson describes the untapped resources orbiting our solar system. The presenter considers the possibilities of space colonies using these resources as...
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