Browse Items (3 total)

  • Tags: GCSE

Alkanes and Alkenes

https://i.ytimg.com/vi/Sfm3eHe57PU/default.jpg
Learn the basics of alkanes and alkenes. After watching the covalent bonds video you should have sufficient knowledge to understand about how alkanes and alkenes are formed and the differences between them. SUBSCRIBE to our channel to access many…

Density of Different States

https://i.ytimg.com/vi/nVrsgESZh-Y/default.jpg
In this video we are going to look at what density is, how it is measured and the differences in density between the different states of matter. Informally, density is a measure of how ‘packed’ a material is with mass. Density is defined as the mass…

What is DNA

https://i.ytimg.com/vi/GIzNlISbCxI/default.jpg
DNA (deoxyribose nucleic acid) is extremely important. All living things have DNA, or in the case of some viruses they have RNA instead.

In eukaryotes, it is found within the nucleus and is arranged into chromosomes.

DNA determines the…