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  2. Unseen examination - Wikipedia

    en.wikipedia.org/wiki/Unseen_examination

    In the United Kingdom, an unseen examination is an essay test in school or college, where the student does not know what questions are going to be asked in advance. [ 1 ] [ 2 ] The student is required to answer questions based upon what they have learned over the course of their academic study.

  3. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...

  4. Chemical physics - Wikipedia

    en.wikipedia.org/wiki/Chemical_physics

    The term "chemical physics" in its modern sense was first used by the German scientist A. Eucken, who published "A Course in Chemical Physics" in 1930. Prior to this, in 1927, the publication "Electronic Chemistry" by V. N. Kondrat'ev, N. N. Semenov, and Iu. B. Khariton hinted at the meaning of "chemical physics" through its title.

  5. Uniform Mark Scheme - Wikipedia

    en.wikipedia.org/wiki/Uniform_Mark_Scheme

    A Level module exams and courseworks are worth a set number of UMS marks. These modules and courseworks for a specific A Level combine to give a total UMS mark. For example, an A level Chemistry course might consist of 4 exams worth 90 UMS and 2 exams worth 120 UMS, totalling a maximum of 600 UMS.

  6. Physical chemistry - Wikipedia

    en.wikipedia.org/wiki/Physical_chemistry

    Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibria.

  7. Physics - Wikipedia

    en.wikipedia.org/wiki/Physics

    Physics is the scientific study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. [1] Physics is one of the most fundamental scientific disciplines. [2] [3] [4] A scientist who specializes in the field of physics is called a physicist.

  8. Exam - Wikipedia

    en.wikipedia.org/wiki/Exam

    This is an accepted version of this page This is the latest accepted revision, reviewed on 13 January 2025. Educational assessment For other uses, see Exam (disambiguation) and Examination (disambiguation). Cambodian students taking an exam in order to apply for the Don Bosco Technical School of Sihanoukville in 2008 American students in a computer fundamentals class taking an online test in ...

  9. AP Chemistry - Wikipedia

    en.wikipedia.org/wiki/AP_Chemistry

    AP Chemistry is a course geared toward students with interests in chemical biologies, as well as any of the biological sciences. The course aims to prepare students to take the AP Chemistry exam toward the end of the academic year. AP Chemistry covers most introductory general chemistry topics (excluding organic chemistry), including: Reactions