When a substance changes its state, heat energy is involved. This energy is used not to heat up the substance, but to separate the molecules from each other. This is known as specific latent heat. Specific latent heat is defined as the...

You might have noticed that if you are trying to boil a lot of water it takes longer than if you only wish to boil a small amount of water. This is all because of something called ‘heat capacity’. Keep watching to learn more. Before we...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

When you eat a burrito, where does all that matter go? What about when matter changes phases, does any matter appear or disappear? When we talk about this sort of stuff, reality sometimes goes against our intuition, so we'd better make...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of matter.


TERMS
Matter - physical
substances
Atoms - the basic un
it of elements
Conservation - the quantity of a...

Paul Andersen explains how stability and change are regulated in systems through controls and feedback. Controls are used to regulate matter and energy flowing into a system. Feedback mechanisms within the system are used to regulate...

David Thouless, Duncan Haldane, and Michael Kosterlitz won the Nobel Prize in Physics in 2016 for discovering that even microscopic matter at the smallest scale can exhibit macroscopic properties and phases that are topological. But -...

A new white dwarf has been discovered (poetically named: ZTF J1901+1458) that’s doing some stuff that no white dwarf should ever be able to do. In fact, it has multiple properties that are so extreme that it almost certainly did NOT form...

This video is a lesson on the physical changes that occur in matter as its internal energy increases. The video describes how the physical state of matter changes as it is heated, from a solid with particles in fixed positions to a...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

If you ask a physicist, what is at the core of physics, you will hear symmetry. What is symmetry? Gauge theory explained simply.



Symmetry is about actions that don't change anything. If we take an...

This video discusses the three common states of matter: solid, liquid, and gas. The video starts with an introduction and shows the three states of matter: a beaker (solid), water (liquid), and air (gas). Then, the video explains the...

University of Pennsylvania physicist Justin Khoury describes how, while many are convinced of the existence of dark matter rather than changing our understanding of the laws of gravity, we can’t yet be sure what the final outcome will be.

This video is a lecture on the particle model and density. It explains the three states that matter can be in - solid, liquid, and gas - and their particle structures. The video describes how these structures affect their properties,...

This video is a lecture on specific latent heat, which looks at the energy absorbed or emitted by a substance as it changes states (solid, liquid, or gas). The lecture discusses two equations that can be used to calculate the amount of...

Summary:

In this video I explain what supersymmetry is, why physicists think it should exist, why we haven't discovered it, and why it is necess

ary.

There's a theoretical idea that could get...

Delve into the fascinating differences between physical and chemical changes in matter. This video explains how physical changes alter the form but not the chemical composition, using examples like melting butter and chopping vegetables....

Explore the concepts of reversible and irreversible changes in matter, distinguishing between the types of transformations that can be undone and those that are permanent. This video clarifies how physical changes, like melting wax or...

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.<b<br/>r/>

All About Chemical Reactions part 1

Upon viewing the The Changing Phases of Matter video series, students will be able to do the following: Explain that phases of matter, also called states of matter, are the physical forms matter can take. State the four phases of...