Test your basic knowledge |

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






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






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






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






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






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






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






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






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






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






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






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






13. 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.






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






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






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






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






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






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






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






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. Anything that has mass and takes up space.






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






25. 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






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






27. 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)






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






48. 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






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






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