Introduction to Energy Crossword Puzzle

QUESTIONS LIST:

• chemistry : the study of matter, its interactions, and the changes it undergoes.
• matter : anything that has mass and takes up space.
• atom : the very small particle that composes all ordinary matter.
• reaction : a process driven by the transfer or transformation of energy.
• system : the specific part of the universe being investigated during a change.
• energy : the capacity to move, do work, change matter, or produce heat.
• potential energy : the energy that is stored within a system.
• chemical potential energy : energy stored specifically within the bonds of molecules.
• kinetic energy : the energy of an object’s motion.
• thermal energy : the total kinetic energy possessed by all individual particles in a substance.
• average kinetic energy : the mathematical average of the individual kinetic energies of all particles in a substance.
• thermochemistry : the study of energy changes that happen during chemical reactions and changes in state.
• heat : energy that transfers from one object to another because of temperature differences.
• flow : the movement of heat, which always travels from warmer objects to cooler ones.
• first law of thermodynamics : the law stating that energy is never created or destroyed, only changed.
• conservation of energy : another name for the first law of thermodynamics.
• temperature : a measure of the average kinetic energy of the particles in matter.
• celsius : one of the two temperature scales used in science; water freezes at 0 on this scale.
• kelvin : the si temperature scale that starts at absolute zero and does not use degrees.
• fahrenheit : the temperature scale that is generally not used in scientific investigation.