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8.   Observe the figure (a), which shows the image of a candle that was just
                   ex nguished a er burning for some  me. Iden fy the different states
                   of  wax  in  the  figure  and  match  them  with  figure  (b),  showing  the
                   arrangement of par cles.






              Ans.  Different states of wax.                                     Solid



                                                                                Liquid



                                                        Candle                  Gas
                                                        Figure A
                                                                          Figure B



                   Put on your
                    Thinking cap

                                                                                                         Problem Solving Skills
            A.  Darken the correct options in the OMR Sheet:
                                                                                                   OMR Sheet
               1.  Which of the following is the basic unit of matter?
                   a. Molecule                             b. Atom
                   c. Element                              d. Compound
               2.  Which of these is NOT a form of matter?
                                                                                                  Wrong Methods
                   a. Solid                                b. Liquid
                   c. Energy                               d. Gas                                 Correct Method
               3.  Which of the following is true about matter?

                   a. It occupies space                    b. It has mass                          1.  a    b   c    d
                   c. It is made up of particles           d. All of the these                     2.  a    b   c    d
               4.  Which statement is correct about atoms and molecules?
                                                                                                   3.  a    b   c    d
                   a. Atoms are larger than molecules      b. Molecules are smaller than atoms
                                                                                                   4.  a    b   c    d
                   c. Molecules are made of atoms          d. Atoms are made of molecules
               5.  When sugar dissolves in water, it shows:                                        5.  a    b   c    d
                   a. sugar disappears                     b. particles are stationary

                   c. matter is continuous                 d. matter is made up of particles
            B.  Fill in the blanks.                                                                       Observational Skills

               1.  Matter is made up of very tiny _______________.
               2.  The particles in a solid are packed very _______________
               3.  Particles move the slowest in _______________.

               4.  _______________ take the shape of container but have fixed volume.
               5.  _______________ effects how fast molecules moves.

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