History Terms – Glossary Autobiography – An individual’s account of his or her life Artifact – A material object of a culture such as a tool, an article of clothing or a prepared food Archive – An accumulation of historical documents and records, or the physical repository in which they are located Archaeology – The … Read more
Chemistry Terms -Glossary 1-precision – How close the results of multiple experimental trials are 2-protonation – the addition of a proton (H+) to an atom, molecule, or ion 3-proton – a positive unit or subatomic particle that has a positive charge 4-photon – a carrier of electromagnetic radiation of all wavelength (such as gamma rays … Read more
Chemistry Terms -Glossary 1- melting – The phase change from a solid to a liquid 2-methylene blue – a heterocyclic aromatic chemical compound with the molecular formula C16H18N3SCl 3-microcentrifuge – a small plastic container that is used to store small amounts of liquid 4-molecule – a chemically bonded number of atoms that are electrically neutral … Read more
Chemistry Terms -Glossary 1-heat – energy transferred from one system to another by thermal interaction 2-halogens – Group 7 on the Periodic Table and are all non-metals 3-ionization -The breaking up of a compound into separate ions. 4-indicator – a special compound added to solution that changes color depending on the acidity of the solution; … Read more
Chemistry Terms -Glossary 1-electrolyte – a solution that conducts a certain amount of current and can be split categorically as weak and strong electrolytes. 2-electromagnetism – fields that have electric charge and electric properties that change the way that particles move and interact 3-electron – a subatomic particle with a net charge that is negative … Read more
Chemistry Terms -Glossary 1-Catalyst – a chemical compound used to change the rate (either to speed up or slow down) of a reaction, but is regenerated at the end of the reaction. 2-chemical reaction – the change of one or more substances into another or multiple substances 3-compound – a substance that is made up … Read more
Chemistry Terms -Glossary Barometer – a device used to measure the pressure in the atmosphere Bases -In chemistry, bases are substances that, in aqueous solution, are slippery to the touch, taste bitter, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts Biochemistry, sometimes called biological chemistry, is … Read more
Glossary -Chemistry Terms 1-Absolute zero – a theoretical condition concerning a system at zero Kelvin where a system does not emit or absorb energy (all atoms are at rest) 2-acid – a compound that, when dissolved in water, gives a pH of less than 7.0 or a compound that donates a hydrogen ion 3-acid dissociation … Read more
Glossary -Biology Terms 1-Bacteria – Single-cell microscopic organisms which lack a true nucleus. They represent one of the three domains. 2-A biome is a formation of plants and animals that have common characteristics due to similar climates and can be found over a range of continents. 3-Biomass is biological material derived from living, or recently … Read more
Glossary -Biology Terms 1-Abscission – shedding of flowers and leaves and fruit following formation of scar tissue in a plant 2-Absolute zero – the lowest theoretically attainable temperature (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 Celsius of -459.67 Fahrenheit. 3-Abscisic acid – a plant hormone with the … Read more