In this video Paul Andersen explains how chemical reactions progress as bonds are broken and reformed reformed. He explains the difference between changes in state and changes in molecules. He discussed collision theory and explains...

In this video Paul Andersen explains how elements and molecules are made of atoms. In a pure sample of a pure substance the average mass remains the same. If more than one atom is found in a molecule the ration of average masses...

Howcast - Spring cleaning does not need to be a noxious-chemical-filled affair. Here are some ideas to keep your household chores nontoxic.

Howcast - Don't give up on a sink with an ugly rust mark staining it. You can remove the unsightly blemish with simple ingredients and persistence.

Howcast - Learn how to make your own eco-friendly cleaning supplies in this Howcast video featuring Alegre of Green and Greener.

Howcast - Learn about the top five eco-friendly cleaning supplies in this Howcast video featuring Alegre of Green and Greener.

Howcast - Did you spill a little nail polish on your carpet when you were painting your toes? With these simple tips, nobody will know what happened.

Howcast - Keep your sink drain flowing and grease-free by periodically cleaning your sink drain.

Howcast -Has your dog been skunked? Eliminate the odors by using these three techniques.

Drinking red wine may be good for your heart, but spilling it down your shirt is bad for the ego. Redeem yourself by eradicating the stain.

Having less-than-brilliant teeth doesn't have to mean a trip to the dentist or a whitening kit. Try this all-natural remedy instead.

Make your wood furniture look like new again by getting out rings and spots.

Dark nail polish can stain nails a dull yellow. Return nails to a healthy hue using these tips.

Are you embarrassed to go barefoot or without nail polish? You can eradicate nail fungus using this straight and easy-to-follow advice.

Remove cat urine and odor from your mattress by using these easy solutions.

DIY SCI host Steve Spangler demonstrates how to do the elephant's toothpaste experiment! Anything that's worth doing is worth over doing!

Reagents- 3% Hydrogen peroxide Principle- This test demonstrate the presence of catalase, an enzyme that catalyses the release of oxygen from hydrogen peroxide (H2O2). It is used to differentiate those bacteria that produce an enzyme...

Empirical and Molecular Formulas are used to help scientist determine the identity of unknown substances. In this video, we discuss what empirical and molecular formulas are, what the difference is between them and how to find/calculate...

The molecular formula of a compounds gives you the actual formula while the empirical formula gives you a simplified version of the molecular formula. Both formulas are important in chemistry and they both gives us valuable information....

In this video, Eric Scott, the only Rocket Belt performer in the world, sets a new altitude record by landing in a high place without using valuable propellant to return to the ground. The rocket belt, developed in the 1960s, uses...

Dr. Boyd performs the popular Elephant Toothpaste demonstration. If you want to try it too, just follow along! Note 1: DO NOT eat or put the foam in your mouth; it is not actually toothpaste or ice cream (it just looks like it). Note 2:...

A chemical agent that readily releases oxygen atoms, or that readily gains electrons in a redox reaction.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

The release of light with very little heat as the result of a chemical reaction.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

We use potassium ferricyanide and luminol indicator to show how forensic scientists detect blood at crime scenes. The luminol indicator contains luminol, sodium hydroxide and hydrogen peroxide. When luminol comes into contact with the...