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Atoms and Elements
Force and Motion
10 other sections not shown
absorbs acid alkali metals alloys alternating current aluminium atmosphere atomic number boiling called carbon carrier waves cathode cell Celsius chemical chemistry chloride circuit coil colour combine combustion compounds conductor contains converted copper corrosion crystal current flows density dioxide direct current ductile Earth elec electric current electromagnetic electron beam element energy engine fission force frequency fuel furnace gases gold gravity Group 3B heat helium hydrogen ions iron isotope joule laser light rays liquid magnetic field mass melting point minerals mirrors molecules motion motor moving neutrons nickel nitrogen nuclear reactors nucleus object occurs oxide oxygen particles passes physicist plastic platinum poles potential difference pressure produced properties protons radiation radio waves radioactive reaction relative relative density resistance rotating silver sodium solid sound speed steam steel substance sulphide sulphur surface television temperature transition metal transition metal Group tube uranium valve vapour vibrate voltage wavelength wire X-rays zinc