Docstoc

Classification of Matter Worksheets

Document Sample
Classification of Matter Worksheets Powered By Docstoc
					Classification of Matter
Choose words from the list to fill in the blanks in the paragraphs.

        chemical property        intensive property       compound
        mixture                  element                  physical property
        extensive property       property                 heterogeneous matter
        substance                homogenous matter

Matter has uniform characteristics throughout is called (1) ____.
Matter that has parts with different characteristics is called (2). A       1. ________________
characteristic by which a variety of matter is recognized is called a(n)
                                                                            2. ________________
_______(3)__________. A characteristic that depends upon the
amount of matter in the sample is called a(n) ____(4)________. A            3. ________________
characteristic that does not depend upon the amount of matter is called
a(n) _________(5)________. A characteristic that can be observed            4. ________________
without producing new kinds of matter is called a(n)
                                                                            5. ________________
________(6)______. A characteristic that depends on how a kind of
matter changes suring interactions with other kinds of matter is called     6. ________________
________(7)________.
                                                                            7. ________________
         Matter can also be classified according to the basic types of
                                                                            8. ________________
matter it contains. A simple substance that cannot be broken down
into other substances by chemical means is called                           9. ________________
_______(8)_______. A chemical combination of simple substances is
called ________(9)______. A physical combination of different               10. ________________
substances that retain their individual properties is called a(n)
                                                                            11. ________________
________(10)_______. Either an element or a compound may be
referred to as a(n) _______(11)______.
MIXTURES

Classify each of the following as an element, compound, heterogeneous mixture, or homogenous
mixture.

12.     Water _______________                             13. Carbon _______________
14.     Air       _______________                         15. Table salt, NaCl _______________
16.     Sugar dissolved in water _______________          17. Granite _______________
18.     Homogenized milk _______________                  19. Oxygen _______________
20.     Sand in water _______________


Chemical and Physical Properties
Classify each of properties listed below as extensive physical, intensive physical, or chemical.

1.      Color            _______________ __ 10.           reactivity       ____________________
2.      Combustibility ___________________11.             Unreactive       ____________________
3.      Hardness         __________________ 12.           Odor             ____________________
4.      Density          __________________ 13.           stability        ____________________
5.      Mass             __________________ 14.           Malleability     ____________________
6.      Melting point    __________________ 15.           Tendency to corrode _______________
7.      Ductility        __________________ 16.           reacts with water    ________________
8.      Volume           __________________ 17.           Weight           ____________________
9.      rusting          __________________ 18.           solubility       ____________________

Some of the measured properties of a given substance are listed below. Write the general name describing
each property. Select the names from the following properties: chemical, malleability, density, volume,
hardness, melting point, ductility, mass, odor, weight, combustibility.

19.     15 dm3 ____________________
20.     Can easily be hammered into sheets     ____________________
21.     2.8 g/cm3       ____________________
22.     Burns when heated in the presence of O2.      ____________________
23.     Stinks when heated      ____________________
24.     500 oC          ____________________
25.     Can easily be drawn into a wire ____________________

Classify the following properties as extensive or intensive.

26.     mass _____________ 27. ductility _____________ 28. melting point _____________
29.     color _____________ 30. length    ____________ 31. conductivity _____________
Chemical and Physical Changes (2)

1. Classify each of the following as chemical or physical changes:

  a. growth of a plant                                    _________________________________
  b. fading of dye in cloth                               _________________________________
  c. melting of ice                                       _________________________________
  d. digestion of food                                    _________________________________
  e. formation of                                         _________________________________
  f. heating of a wood                                    _________________________________
  g. making a rock candy by evaporating water from
   sugar solution                                         _________________________________
  h. production of light by an electric arc               _________________________________
  i. burning of a coal                                    _________________________________
  j. tearing of a piece of paper                          _________________________________
  k. kicking of a football                                _________________________________
  l. excavating of a soli                                 _________________________________
  m. exploding of a firecracker                           _________________________________




2. Which of the following involve a change in state of a substance?

  a. grinding beef into hamburgers          ____________________________

  b. soldering wires on a computer circuit board by melting solder ________________________

  c. pouring milk into a glass                      _________________________________

  d. allowing soup to cool in a bowl        _________________________________
Review - Matter Concepts
In the space at left, write the term that correctly completes each statement.

chemistry       kinetic energy            matter           law of conservation of energy
model           energy                    observe          law of conservation of mass
experiment      potential energy          hypothesize      law of conservation of mass-energy
inertia         radiant energy            theory           chemical property
element         extensive property        homogenous       heterogeneous mixture
mixtures        intensive properties      solute           physical change
solution        physical property


____________________1. The ____ states that matter is conserved in all changes except nuclear
                           reactions.

____________________2. ______is dependent upon the motion of an object in relation to another
                           object.

____________________ 3. A scientist’s mental image developed to help deal with abstract ideas and
                            objects is a(n) __.

____________________4. The resistance of matter to any change in direction or rate of motion is called
                           ______.

____________________5. That mass and energy are always conserved is the ______.

____________________6. Scientists consider all material to be ____.

____________________7. The statement that energy is always conserved, or the ____, means
                           that the total amount of energy in the universe remains constant.

____________________8. After observing and hypothesizing, a scientist will ____ to test a
                           hypothesis.

____________________9. All objects possess the capacity to do work, which is known as _____.

____________________10. The type of energy that is transferred through space and is not a
                           property of an object is called ____.

____________________11. An explanation of some relationships between properties and
                          structure is a(n) ____________.

____________________12. To make predictions based on observations is to _____.

____________________13. ________ depends upon an object’s position with respect to another
                           object.
____________________14. _______ is discovering the relationships between the structure and
             properties of matter and using this knowledge to produce new materials.

____________________15. Before forming a hypothesis, a scientist will take time to ____, or
                         take close look at the facts.

____________________16. The dissolved material in the solution is called _______.

____________________17. ______ are homogenous materials, such as pure salt or pure sugar,
                    which always have the same composition.

____________________18. A reaction, or _____, produces new substances with new properties.

____________________19. _________ are substances composed of more than one kind of atom.

____________________20. _________ are homogenous matter containing more than one kind of
                           material
____________________21. Mass, length, and volume are examples of ____.

____________________22. A(n) _____ is homogenous mixture with a varied composition.

____________________23. A substance composed of only one kind of atom is a(n) _____

____________________24. A(n) _____ is determined by observing the behavior of a substance in
                           the presence of other substances.

____________________25. ___________ materials are those consisting of only one phase.

____________________26. _____ depend upon the nature of the material rather than upon the
                           amount of the matter present.

27.    Classify the following materials as heterogeneous mixture, solutions, compounds, or elements.
       a. concrete ________________             f. gunpowder _________________

       b. selenium ________________                    g. brass ______________________

       c. baking powder ___________            h. hydrogen sulfide _____________

       d. formaldehyde ____________            i. apple _______________________

       e. aluminum _______________             j. soft drinks ___________________

28.    Classify the following properties as chemical or physical.
       a. heat conductivity _______________             e. length ________________
       b. combustible ___________________               f. brittleness _____________
       c. acid resistant __________________
       d. displaces hydrogen from water ________________
CHAPTER 1: ANSWER SHEET (PART II)

Page 18: Classification of Matter
1.    homogenous matter                         5.    intensive physical property                9. compound
2.    heterogeneous mixture                     6.    physical property                          10. mixture
3.    property                                  7.    chemical property                          11. substance
4.    extensive physical property               8.    element

Page 19: Mixtures
12. compound                                    15. compound                                     18. heterogeneous mixture
13. element                                     16. homogenous mixture                           19. element
14. homogenous mixture                          17. heterogeneous mixture                        20. heterogeneous mixture

Page 19: Chemical and Physical Properties
1.     intensive physical property              12.    intensive physical                        22.    combustibility
2.     chemical property                        13.    chemical                                  23.    odor
3.     intensive physical                       14.    intensive physical                        24.    melting point
4.     intensive physical                       15.    chemical                                  25.    ductility
5.     extensive physical                       16.    chemical                                  26.    extensive physical
6.     intensive physical                       17.    extensive physical                        27.    intensive physical
7.     intensive physical                       18.    intensive physical                        28.    intensive physical
8.     extensive physical                                                                        29.    intensive physical
9.     chemical property                        19. volume                                       30.    extensive physical
10.    chemical                                 20. malleability                                 31.    intensive physical
11.    chemical                                 21. density

Page 20: Chemical and Physical Changes(2)
1a.    chemical                      e.   physical                          i. chemical                        m. chemical;\l
 b.    chemical                      f.   chemical                          j. physical
 c.    physical                      g.   physical                          k. physical
 d.    chemical                      h.   physical                          l. physical

2a and d – yes; c and b – no


Page 21/22: Review – Matter Concepts
1. Law of Conservation of           9. energy                                                    19.    compounds
Matter                              10. radiant                                                  20.    mixtures
2. Kinetic Energy                   11. theory                                                   21.    extensive property
3. model                            12. hypothesize                                              22.    solution
4. inertia                          13. Potential energy                                         23.    element
5. Law of Conserv. Of               14. chemistry                                                24.    chemical property
Matter/Energy                       15. observe                                                  25.    homogenous mixture
6. matter                           16. solute                                                   26.    intensive property
7. Law of Conserv. Of Energy        17. substance
8. experiment                       18. chemical change
27. a. heterogeneous                    e. element                                                      i. heter. Mixture
    b. element                          f. homogenous mixture                                           j. solution
    c. homogenous mixture               g. brass
    d. compound                         h. compound
28. a. physical b. chemical c. chemical d. chemical e. physical                           f. physical

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:15
posted:2/14/2013
language:English
pages:6