Instructional Video0:35
Curated Video

Plasma (biology)

6th - 12th
In biology, plasma refers to the liquid component of blood, in which blood cells are suspended. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Instructional Video0:47
Curated Video

Plasma (physics)

6th - 12th
A gaseous state of matter which contains a significant proportion of electrically charged particles called ions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Instructional Video3:02
Curated Video

Analyzing and Purifying Water: Required Practical Activities in Chemistry

Higher Ed
The video discusses the required practical activities for analyzing and purifying water in a chemistry specification. The focus is on the steps involved in determining the mass of salts dissolved in seawater, measuring the pH of water...
Instructional Video3:25
Curated Video

Water Treatment Processes: From Potable Water to Wastewater Treatment

Higher Ed
The video discusses the processes involved in ensuring that water is potable or fit to drink. The video also mentions the process of desalination for countries with low freshwater supplies, and the treatment of wastewater to ensure it is...