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Unit 3: Matter                                                                         Page 10

                                                Objectives



                                              Lesson 2: Solids



               We’re going to study the five                             energy that the atoms
               different states of matter: plasma,                       actually blend together.

               gas, liquid, solids, and BEC (Bose-                   5.  Bose-Einstein condensate
               Einstein Condensate). A gas                               occurs only in laboratories
               becomes a plasma when it gets so                          under outrageously cold
               hot that the collisions start to                          conditions.
               knock electrons out of atoms.
                                                                     6.  Solids are the lowest energy
               The most energized state of matter                        form of matter on Earth.
               is plasma, the least is BEC. We’re
               going to focus on solids, crystal                     7.  Solids are generally tightly
               structure and how to build your                           packed molecules that are
               own crystal matrix. Are you ready?                        held together in such a way
                                                                         that they can not change
                                                                         their position.

               Highlights for Solids:                                8.  The atoms in a solid can

                   1.  There are five known states                       wiggle and jiggle (vibrate)
                       of matter. Bose-Einstein                          but they can not move from
                       condensate, solids, liquids,                      one place to another.
                       gases and plasma.                             9.  The typical characteristics

                   2.  All matter is made of atoms.                      that solids tend to have are
                       The difference between                            that they keep their shape
                       different forms of matter is                      unless they are broken and
                       basically the energy level                        they do not flow.
                       (motion) of the atoms.
                                                                     10.        Tension and
                   3.  Plasma is basically a very                        compression happen when
                       high energy gas. It is not                        solids are bent.
                       very common on Earth but is                   11.        Tension is when things
                       the most common state of                          get pulled apart.
                       matter in the universe.
                                                                     12.        Compression is when
                   4.  Bose-Einstein condensate is                       things get squashed
                       atoms at such a low state of                      together.






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