SciShow Kids
The Great Elephant Toothpaste Experiment! | Summer Experiments | SciShow Kids
Jessi and Squeaks experiment with mixing things together and learn how to create a lot of foam!
Bozeman Science
Symbolic Representations
In this video Paul Andersen explains how the conservation of matter can be displayed with both symbolic representations and particulate drawings. A simple conservation of matter problem is also included.
Bozeman Science
Chemical and Physical Processes
In this video Paul Andersen explains the difference between chemical and physical processes. Chemical processes occur when bonds are broken and reformed. Physical processes occur when intermolecular forces are broken and reformed. A gray...
Bozeman Science
Thinking in Matter - Level 4 - Conservation of Matter
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of matter. TERMS Matter - physical substances Atoms - the basic unit of elements Conservation - the quantity of a physical quantity remains...
Crash Course Kids
(LEGO) Block Party
Playing with LEGOS is fun. But, they can also teach us something about matter. In this episode of Crash Course Kids, Sabrina chats about chemical reactions and the Conservation of Matter.
Bozeman Science
Molecular, Ionic, and Net Ionic Equations
In this video Paul Andersen shows you how to write balanced equations that describe chemical changes. He then gives you a short introduction to balancing equations and uses the PHET site to practice this skill. In aqueous solutions an...
Crash Course Kids
Vacation or Conservation (Of Mass)
So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids,...
Bozeman Science
Chemical Change
In this video Paul Andersen explains how chemical differs from physical change. In the laboratory macroscopic observations are used to infer changes at the particulate level. Evidence for chemical change include gas production, change in...
TED-Ed
TED-Ed: Are food preservatives bad for you? - Eleanor Nelsen
Food doesn't last. In days, sometimes hours, bread goes moldy, apple slices turn brown, and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store " hopefully unspoiled -- thanks to...
Crash Course Kids
Chemical Changes
We've talked about mixtures and solutions, solutes and solvents, but what about things that can't be undone? What about Chemical Changes? Would it surprise you to know that baking a cake is a Chemical Change? Or striking a match? In this...
Bozeman Science
Physical and Chemical Changes
Mr. Andersen explains the difference between physical and chemical changes. A brief discussion of chemical reactions and equations is also included.
Curated Video
How do I know if a chemical reaction has occurred?!?
When trying to determine or prove if a chemical reaction has occurred, there are 5 indicators that scientist look for! The 5 indicators are the formation of a precipitate, the formation of a gas, the formation of water, a color change or...
Curated Video
Denature
To change the shape of a protein or amino acid molecule, disrupting its normal biological activity, but without changing it chemically. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Changing properties
What chemical and physical changes are at play in cake baking. Material processes - Changing materials - More chemical reactions Learning Points Chemical changes are usually irreversible. Physical changes are usually reversible. Chemical...
Curated Video
What is a mixture?
Find out what makes a mixture, and what happens when materials react chemically. Material processes - Separating mixtures - What is a mixture? Learning Points A mixture is formed when different materials are combined without chemical...
Curated Video
Why is the Statue of Liberty green?
Did you know that the Statue of Liberty hasn't always been green? Material processes - Changing materials - Chemical reactions Learning Points Chemical reactions produce new substances. Chemical changes always involve two or more...
Wonderscape
Identifying Chemical Reactions: Observable Signs and Indicators
Explore the various changes in properties that occur as a result of chemical reactions. Learn how to recognize signs such as color change, emission of odor, production of gas, and formation of precipitates, with practical examples like...
Wonderscape
Change It Up: Reversible and Irreversible Changes in Matter
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...
Wonderscape
Matter's Makeover: Unraveling Physical and Chemical Changes
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....
Curated Video
4 Mistakes Chemistry Students Make!
Chemistry can be challenging and as with most classes in school, there are some mistakes that pretty much all students make. In this video, we cover these common mistakes to help you avoid them!
Curated Video
Mix it Up!
Dr. Forrester explains that materials in simple mixtures can be separated because they have different properties. She teaches that combining two or more substances can make new materials with different properties. She also identifies...
Curated Video
Change is Inevitable
Dr. Forrester defines physical change and chemical change. She compares and contrasts a physical change to a chemical change and predicts, conducts, and records the outcome of a chemical and physical change.
Visual Learning Systems
Recognizing Chemical Reactions
This video explains the concept of chemical reactions and provides clues to recognize when they occur. It highlights examples such as color changes, bubbling, heat or light production. This video is part of the 7-part series, Chemical...
Visual Learning Systems
Chemical Changes Review
This video is a review of the topics covered in the Chemical Changes series. In this series, we learn that matter is composed of different elements and can undergo chemical changes, transforming into new substances. We also compare...