1) Earth looks like a a) the crystallization of molten magma or lava (intergrown crystals) b) the steeper the gradient c) oblate spheroid d) sphere 2) The true shape of the Earth is an a) oxygen and silicon b) sediments, evaporation of water and organic remains c) sphere d) oblate spheroid 3) The closer isolines are a) quickly on the earth's surface (small crystals) b) slowly beneath the earth's surface (large crystals c) calcite and limestone d) the steeper the gradient 4) The basic elements of most minerals are a) oxygen and silicon b) calcite and limestone c) sphere d) their origin (how they formed) 5) The physical properties of minerals depends upon a) calcite and limestone b) the internal arrangement of atoms c) sphere d) the crystallization of molten magma or lava (intergrown crystals) 6) The minerals and rocks that react to acid are a) sphere b) the internal arrangement of atoms c) oxygen and silicon d) calcite and limestone 7) Rocks are classified on the basis of a) the crystallization of molten magma or lava (intergrown crystals) b) the steeper the gradient c) their origin (how they formed) d) the internal arrangement of atoms 8) Igneous rocks form by a) oxygen and silicon b) sediments, evaporation of water and organic remains c) the crystallization of molten magma or lava (intergrown crystals) d) sphere 9) Intrusive igneous rocks form a) calcite and limestone b) slowly beneath the earth's surface (large crystals c) sediments, evaporation of water and organic remains d) quickly on the earth's surface (small crystals) 10) Extrusive igneous rocks form a) quickly on the earth's surface (small crystals) b) sediments, evaporation of water and organic remains c) oxygen and silicon d) sphere 11) Sedimentary rocks form from a) the crystallization of molten magma or lava (intergrown crystals) b) slowly beneath the earth's surface (large crystals c) calcite and limestone d) sediments, evaporation of water and organic remains

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