Areas of investigation are pure substances, mixtures, states of matter, chemical reactions, motion, energy, electricity, magnetism, sound, and light.
(Areas of investigation; are; pure substances, mixtures, states of matter, chemical reactions, motion, energy, electricity, magnetism, sound, and light)
Areas of investigation
are
pure substances, mixtures, states of matter, chemical reactions, motion, energy, electricity, magnetism, sound, and light