Density is determined by
What is mass?
The particles that make up elements
What are atoms
The study of matter and how it changes
What is chemistry?
The enegry of moving things
What is mechanical energy?
The unit for density
What is g/cm3?
The positively charged particles found in the nucleus of an atom
What are protons?
Solid directly to gas
The random motion, or vibration, of atoms in matter
What is thermal energy?
The amount of space occupied by any three-dimensional solid
What is volume
The neutral particles found in the nucleus of an atom
What are neutrons?
The phase in which atoms lose their electrons
What is plasma?
The movement of electrons through matter
What is electrical energy?
The tool used to measure density
What is a hydrometer?
The region around the nucleus
What is the electron cloud?
Being absorbed into the substance during the change
What is endothermic?
Holds molecules and atoms together
What is chemical energy?
The measurements used to calculate volume
What is mass divided by density
The # of protons in an atom
What is the atomic number?
Being released from the substance during the change
What is exothermic?
The energy that holds protons and neutrons together in an atom's nucleus
What is nuclear energy?