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Introduction To Matter

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The force that acts on the surface of a liquid and that tends to minimize the area of the surface.






2. The tendency of an object to resist being moved or - if the object is moving - to resist a change in speed or direction until an outside force acts on the object






3. A vertical column of elements in the periodic table; elements in a group share chemical properties






4. A homogeneous mixture throughout which two or more substances are uniformly dispersed.






5. The change of a substance from one physical state to another






6. In physical science - an atom's central region - which is made up of protons and neutrons.






7. A measure of the size or region in three-dimensional space.






8. A substance made up of atoms of two or more different elements joined by chemical bonds






9. The ratio of the mass of a substance to the volume of the substance






10. A measure of the amount of matter in an object; a fundamental property of an object that is not affected by the forces that act on the object - such as the gravitational force.






11. A change of matter from one form to another without a change in chemical properties.






12. The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.






13. A region around the nucleus of an atom where electrons are likely to be found






14. An element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution.






15. The change of a substance from a liquid to a gas






16. The law that states that the volume of a gas is inversely proportional to the pressure of a gas when temperature is constant

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17. A characteristic of a substance that does not involve a chemical change - such as density - color - or hardness.






18. The state of matter that has a definite volume but not a definite shape






19. One of the elements of Group 1 of the periodic table






20. A nerve cell that is specialized to receive and conduct electrical impulses.






21. Elements that have properties of both metals and nonmetals; sometimes referred to as semiconductors.






22. A measure of how hot (or cold) something is; specifically - a measure of the average kinetic energy of the particles in an object.






23. The amount of force exerted per unit area of a surface.






24. A property of matter that describes a substances ability to participate in chemical reactions






25. A substance that cannot be separate or broken down into simpler substances by chemical means






26. The process in which a solid changes directly into a gas (the term is sometimes also used for the reverse process).






27. Describes something that occurs or repeats at regular intervals.






28. One of the elements of group 17 of the periodic table






29. A subatomic particle that has a positive charge and that is located in the nucleus of an atom; the number of protons in the nucleus is the atomic number - which determines the identity of an element.






30. A unit of geologic time that is longer than an epoch but shorter than an era.






31. An element that is shiny and that conducts heat and electricity well.






32. The mass of an atom expressed in atomic mass units






33. A subatomic particle that has a negative charge






34. The change of state in which a solid becomes a liquid by adding heat or changing pressure.






35. One of the elements of Group 18 of the periodic table (helium - neon - argon - krypton - xenon - and radon); noble gases are unreactive.






36. The number of protons in the nucleus of an atom; the atomic number is the same for all atoms of an element






37. A measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe.






38. A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas.






39. The curve at a liquid's surface by which one measures the volume of the liquid.






40. A combination of two or more substances that are not chemically combined.






41. A unit of mass that describes the mass of an atom or molecule






42. A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in liquid - solid - or gas






43. The ability of one substance to dissolve in another at a given temperature and pressure; expressed in terms of the amount of solute that will dissolve in a given amount of solvent to produce a saturated solution.






44. The smallest unit of an element that maintains the properties of that element






45. A sample of matter - either a single element or a single compound - that has definite chemical and physical properties.






46. The change of state from a gas to a liquid






47. The sum of the numbers of protons and neutrons in the nucleus of an atom.






48. The physical forms of matter - which are solid - liquid - gas - and plasma.






49. The amount of a particular substance in a given quantity of a mixture - solution - or ore






50. The law that states that the volume of a gas is directly proportional to the temperature of a gas when pressure is constant

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