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2. BBC Bitesize - Wikipedia

   en.wikipedia.org/wiki/BBC_Bitesize

   BBC Bitesize, [1] also abbreviated to Bitesize, is the BBC's free online study support resource for school-age pupils in the United Kingdom. It is designed to aid pupils in both schoolwork and, for older pupils, exams .

3. GCSE Science - Wikipedia

   en.wikipedia.org/wiki/GCSE_Science

   Triple Award Science, commonly referred to as Triple Science, results in three separate GCSEs in Biology, Chemistry and Physics and provide the broadest coverage of the main three science subjects. The qualifications are offered by the five main awarding bodies in England; AQA , Edexcel , OCR , CIE and Eduqas .

4. Conservation of mass - Wikipedia

   en.wikipedia.org/wiki/Conservation_of_mass

   The law of conservation of mass can only be formulated in classical mechanics, in which the energy scales associated with an isolated system are much smaller than , where is the mass of a typical object in the system, measured in the frame of reference where the object is at rest, and is the speed of light.

5. Chemistry - Wikipedia

   en.wikipedia.org/wiki/Chemistry

   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.

6. IUPAC numerical multiplier - Wikipedia

   en.wikipedia.org/wiki/IUPAC_numerical_multiplier

   The numbers 200-900 would be confused easily with 22 to 29 if they were used in chemistry. khīlioi = 1000, diskhīlioi = 2000, triskhīlioi = 3000, etc. 13 to 19 are formed by starting with the Greek word for the number of ones, followed by και (the Greek word for 'and'), followed by δέκα (the Greek word for 'ten').

7. Periodic table - Wikipedia

   en.wikipedia.org/wiki/Periodic_table

   The periodic table and law are now a central and indispensable part of modern chemistry. The periodic table continues to evolve with the progress of science. In nature, only elements up to atomic number 94 exist; [a] to go further, it was necessary to synthesize new elements in the laboratory.

8. WATCH: Grants coming for historically disadvantaged ... - AOL

   www.aol.com/news/watch-grants-coming...

   (The Center Square) – Business owners from historically disadvantaged communities in Pennsylvania will soon have access to special grants meant to assist with start-up and expansion costs. For ...

9. Chemical element - Wikipedia

   en.wikipedia.org/wiki/Chemical_element

   These elements originally referred to earth, water, air and fire rather than the chemical elements of modern science. The term 'elements' (stoicheia) was first used by Greek philosopher Plato around 360 BCE in his dialogue Timaeus, which includes a discussion of the composition of inorganic and organic bodies and is a speculative treatise on ...