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Initially we have two unknown variables, so we want to eliminate one of the variables (x) to solve for the other (y). The LCM of 6 and 4 is 12, so multiply each equation such that the coefficient of x is ...
What is an isotope? (To ensure the students basic understanding on isotopes) Isotopes are different atomic forms of the same element, which have same number of protons but different numbe...
Heat can travel through 3 different processes: conduction, convection and radiation. Conduction is caused by atoms bumping into each other, transferring energy and therefore heat. An example of this would...
The conservative sect of Protestantism disliked theatres because they were seen as immoral places harbouring anti-Puritan ideas and groups. This immorality was manifested in criminal groups often found in...
Both ‘SER’ and ‘ESTAR’ are equivalent to the English to be. However, in Spanish, they have very different meanings and usages. In general, ‘SER’ is used to describe perma...
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