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






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






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






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






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






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






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






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






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






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






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






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






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






15. A subatomic particle that has a negative charge






16. One of the elements of group 2 of the periodic table






17. 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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18. The state of matter in which the volume and shape of a substance are fixed.






19. The force that acts on the surface of a liquid and that tends to minimize the area of the surface.






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






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






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






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






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






25. A from of matter that does not have a definite volume or shape






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






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






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






31. 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






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






33. The conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure






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






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






36. 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.






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






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






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






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






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






42. The resistance of a gas or liquid to flow.






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






44. 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.






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






46. 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






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






48. A change that occurs when one or more substances change into entirely new substances with different properties






49. Anything that has mass and takes up space.






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







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