Matter and Atoms Crossword Puzzle

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QUESTIONS LIST: density : mass /volume, water displacement : a method to find the volume of an irregularly shaped object, one : water has a density of.., atom : smallest part of an element with properties of that element, electron : negatively charged particle outside the nucleus, alpha particle : weakest form of radiation (two words), beta particle : negatively charged electron (two words), solid : definite shape and volume, liquid : no definite shape but definite volume, proton : positively charged particle in an atom, sink : an object with a density greater than one will.., fission : one large atom is hit by a neutron and makes two smaller atoms, fusion : two small atoms make one bigger atom along with energy, float : an object with a density less than one will.., neutron : neutrally charged particle in an atom, gram : unit of mass, cubic centimeter : unit of volume for a solid (two words), gas : no definite shape or volume, gamma ray : form of electromagnetic radiation (two words)