Page 194 - DK Children's Encyclopedia
P. 194

Physics                                                                           SEE ALSO

                                                                                               ▸ ▸ Circuits  p.59
                                                                                               ▸ ▸ Electricity  p.87
           Everything in the universe that weighs something is                                 ▸ ▸ Energy  pp.88–89
           called “matter.” Physics is a science that looks at how                             ▸ ▸ Forces  p.108
           matter moves and interacts. This includes energy,                                   ▸ ▸ Magnets  p.151

           forces, magnets, light, heat, waves, and sound.                                     ▸ ▸ The sciences
                                                                                                pp.218–219






            Understanding                                                                         Medical equipment
              weather                                                                               Scanners, heart
          Physics lets us predict                                                                  monitors, and X-ray
          weather, by studying                                                                     machines were all
          how patterns of heat                                                                     invented by people
          and cold create wind.                                                                      using physics.



                                 Weather balloons
                                  collect weather
                                   information


         Nuclear physics                                                 Heart rate monitor            Computers
         Atoms are the tiny
      particles that everything                                                                    Tiny wires connect parts
                                                                                                     inside machines and
       is made from. Splitting                                                                      computers so that they
        them releases energy                                                                         can carry out tasks.
           we can use.                                                           Circuit board from
                                                                                 inside a computer
                                                   Physics around us
                                                       Discoveries from
                                                      physics are used in
                                                     everyday life. This is
                                                     called applied physics.


              Diagram of              Solar panels collect
               an atom                energy from the sun










                                                                                                       Mechanics
            Electricity                                                                              Studying pushes,
            We can make                                                                             pulls, and movement
         electricity by burning                                                                        lets us design
          fuel or using heat,                                     Fairground                        machines, including
           sunlight, wind,                                           ride                             fairground rides.
             or water.



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