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The Electromagnetic Spectrum
The Atom and Molecule
12 other sections not shown
absorbed absorption accelerated aerial alpha particles apparatus appears atomic nuclei atomic nucleus atomic number atomic weight atoms and molecules beam becomes Radium beta particle blue bombarding centimetres charged particles chemical cloud chamber colour conductor cosmic radiation cosmic rays depth detected distance dose dowser earth effect ejected electromagnetic electromagnetic spectrum electron volts elements emission emitted energy experiments feet field strength fluorescence frequency gamma rays give glass human body infra-red radiation ionisation isotope layers light magnetic field mass matter mesons metal method metres negative neutrons order of centimetres ordinary orebodies outermost orbit particle and becomes patient pendulum penetrate PH PH PH PH rH photographic plate positively charged positrons produce protons quantum Radar radiesthesia radio radio-active Radium reaction reflection refraction rock round the nucleus Rutherford screen shells of influence slit sodium spectrum standing waves surface temperature theory tube ultra-violet rays underground uranium vaccine vibrations wavelength wireless waves X-rays yellow