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GCSE Bitesize was launched in January 1998, covering seven subjects. For each subject, a one- or two-hour long TV programme would be broadcast overnight in the BBC Learning Zone block, and supporting material was available in books and on the BBC website. At the time, only around 9% of UK households had access to the internet at home.
History. The website was founded in 2015 by Leon Hady, a former UK headteacher. Tuitionkit started as a self-funded venture allowing students to view interactive video content to support revision in Maths, English and Science for GCSE and A Levels. As of November 2016 it has 20,000 users.
Letts and Lonsdale. Letts and Lonsdale is a British educational publisher of revision guides under the Letts and Lonsdale brand names. The company is a subsidiary of HarperCollins, an international publisher owned by News Corporation, and is within the company's Collins Education division. The company previously published revision guides under ...
Combined Science results in two GCSEs. Those with GCSEs in Combined Science can progress to A Levels in all of the three natural science subjects. Prior to this, around 1996, Combined Science GCSEs were available as an alternative to three separate Sciences for many exam boards. Combined Science consists of either Higher Tier (HT) or Foundation ...
Gojimo is an education software company headquartered in London, United Kingdom, which produces a self-test exam preparation mobile app for the iPhone, iPad, Android and the web. The content spans mainly across the secondary school public exams syllabus in the UK and USA such as GCSE, A Level and the SAT. [1]
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron. [1][2] With some exceptions, these unpaired electrons make radicals highly chemically reactive. Many radicals spontaneously dimerize. Most organic radicals have short lifetimes.
A calorimeter is a device used for calorimetry, or the process of measuring the heat of chemical reactions or physical changes as well as heat capacity. Differential scanning calorimeters, isothermal micro calorimeters, titration calorimeters and accelerated rate calorimeters are among the most common types.
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