Be able to explain features like young folded mountains, volcanic and seismic activity and ocean ridges and trenches in terms of plate tectonics. Structure of Matter Know the Atomic Theory of Matter. Be able to define the atom, elements, compounds and chemical reactions in terms of this theory. Be able to explain the structure of an atom. Be able to define and explain the features of the periodic table of elements.
Minerals Define a mineral.
Know that the physical properties of a mineral depend on the mineral s crystal structure and chemical composition. Be able to define ionic substitution and polymorphism. Be able to define and explain the physical properties of minerals namely, crystal form, cleavage, hardness, density, color, streak and stability range. Be able to describe the process of crystal growth. Know the two most abundant elements in Earth s crust are Silicon and Oxygen.