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Understandings from Measurements
75 other sections not shown
acceleration acid air mass alpha particle atmosphere atomic number average ball bond called carbon carbon dioxide charge chemical compounds condensation cooling covalent covalent bond crust crystal density describe dioxide distance earth earthquake electric electrons elements equation example force formula fossil frequency gases gravity heat hydrocarbons hydrogen increase ionic ionic bond ions isotopes joule kcal kinetic energy km/h layer light liquid magnetic field materials means measure metal mi/h million minerals molecular momentum Moon moving neutrons Newton nonmetal nuclear nucleus object occur ocean orbit oxygen particles percent planets plate plate tectonics polar pole polyatomic ions potential energy pressure produce properties protons radiation radioactive radioactive decay ratio reaction relationship Research Machines result rock seawater sodium solar solid solution sound speed stars structure substance temperature tion unit variable velocity vibrating volume water molecules water vapor wave wavelength weather weight wind