The IARC has categorized processed meat as a definite carcinogen. But how dangerous is it really? Do we finally have to give up bacon?

Howcast - Learn what can interfere with the soldering process in this Howcast video with expert Jeff Koskulics.

Howcast - Learn what flux is in soldering from expert Jeff Koskulics in this Howcast video.

The process by which nitrate compounds in the soil are converted to free nitrogen in the atmosphere.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

Generally refers to a compound that contains carbon bonded to hydrogen and is usually associated with the carbon molecules made by living organisms.
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A Twig Science
Glossary Film.
Key scientific terms defined in...

An alkali is a solution with a pH greater than 7.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

Any compound in which oxygen is combined with another element.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

A group of metals that form group two of the periodic table.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

By the end of this learning object, the student will be able to: Explain the meaning of oxides and their properties.14003

This video covers:

- How to extract reactive metals from their oxides using electro
lysis
- Recap of extracting unreactive metals with 'reduction
by carbon'
- The specific example of extracting aluminium from...

This nugget justifies the position of Hydrogen in the modern periodic table and discusses the occurrence of isotopes of Hydrogen.

This program covers part 3 of the very important topic of the atomic theory of matter. We discuss how atoms combine together to form new compounds. Students review the law of conservation of mass and how the mass of the substances at the...

It discusses the trends of chemical properties such as oxidation states, chemical reactivity.

This nugget explains the general characteristics of alkaline earth metals.

Different types of rocks contain different classes of minerals, which can tell us a lot about the geological environment in which the rock formed. What are these different mineral classes? What is the common structure of each...

It describes oxides of nitrogen and explains the preparation & properties of nitric.

This nugget explains the general characteristics of compounds of alkali metals such as oxides, hydroxides, halides and salts of oxoacids.

Learn the basics about the corrosion of metals.

Learn the basics about Acid Rain. What causes acid rain? Find out more in this video!