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Introduction To Matter

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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 state of matter that has a definite volume but not a definite shape






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






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






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






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






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






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






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






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






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






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






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






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






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






15. An atom that has the same number of protons (or the same atomic number) as other atoms of teh same element do but that has a different number of neutrons (and thus a different atomic mass)






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






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






18. Anything that has mass and takes up space.






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






20. 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.






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






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






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






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






25. 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






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






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






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






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






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






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






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






33. A subatomic particle that has a negative charge






34. 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.






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






36. In a solution - the substance in which the solute dissolves.






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






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






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






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






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






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






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






47. 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.






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






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






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