Which particle is the mediator of the Strong Force? Gluon Snail Neutrino Pigsino

What percentage of al the matter and energy in our Universe we know almost nothing about? 13 % 100 % 32,8 % 96 %

Which of the following is an experiment at the LHC? SOS CMS ABC ISO

What is the mass of the Higgs boson, discovered in July 2012? 345 mg 173 eV 91 kg 125 GeV

Which of the following technologies were invented at CERN? The World Wide Web 4G mobile phones Sharks with lasers on their heads The Teleporter

During a long run, where the proton beams might circulate up to 10 hours, how far will these protons have travelled? (if they have not interacted of course) The distance from CERN to the Sun and back The distance from CERN to the center of Geneva The distance from CERN to the planet Neptune and back The distance around the circumference of the Earth

Which elementary particle is most common in your body? Up Quark Down Quark Electron Bottom Quark