In addition, Grade 7 students study chemical and physical properties of substances, examine the tarnishing of metal or burning of wood as example of chemical processes, and identify physical properties used to place elements on the periodic table.
(Grade 7 students study chemical and physical properties of substances; examine; the tarnishing of metal or burning of wood) (Grade 7 students study chemical and physical properties of substances; identify; physical properties used to place elements on the periodic table) (physical properties; used; to place elements on the periodic table)
Grade 7 students study chemical and physical properties of substances Grade 7 students study chemical and physical properties of substances physical properties
examine identify used
the tarnishing of metal or burning of wood
physical properties used to place elements on the periodic table
to place elements on the periodic table