Vocabulary
chemical reactions, reactants, products, atomic bonds, Law of Conservation of Mass, atoms, chemical reaction, compound, element, chemical formula, reactants, physical properties, atomic bonds, rock strata, sedimentary rock, fossil, superposition, absolute age, relative age, wave, sound, vibrations, wavelength, frequency, amplitude, peak, trough, undulating, mechanical waves, oscillate, surface waves, transverse wave, perpendicular, longitudinal wave, parallel, period, pitch, wave speed, atoms, chemical reaction, compound, element, chemical formula, reactants, physical properties, atomic bonds, rock strata, sedimentary rock, fossil, superposition, absolute age, relative age, wave, sound, vibrations, wavelength, frequency, amplitude, peak, trough, undulating, mechanical waves, oscillate, surface waves, transverse wave, perpendicular, longitudinal wave, parallel, period, pitch, wave speed, rock strata, sedimentary rock, fossil, superposition, absolute age, relative age, wave, sound, vibrations, wavelength, frequency, amplitude, peak, trough, undulating, mechanical waves, oscillate, surface waves, transverse wave, perpendicular, longitudinal wave, parallel, period, pitch, wave speed, wave, sound, vibrations, wavelength, frequency, amplitude, peak, trough, undulating, mechanical waves, oscillate, surface waves, transverse wave, perpendicular, longitudinal wave, parallel, period, pitch, wave speed, environment, decomposition, matter, condensation, evaporation, melting, freezing