APUS WEEK 8 FINAL EXAM PRACTICE REVIEW
TEST BANK ANSWERED 2026
◉ igneous rock. Answer: a type of rock that forms from the cooling of
molten rock at or below the surface
◉ sedimentary rock. Answer: A type of rock that forms when particles
from other rocks or the remains of plants and animals are pressed and
cemented together
◉ metamorphic rock. Answer: A type of rock that forms from an
existing rock that is changed by heat, pressure, or chemical reactions.
◉ Basalt. Answer: A dark, dense, igneous rock with a fine texture, found
in oceanic crust
◉ extrusive igneous rock. Answer: rock that forms from the cooling and
solidification of lava at Earth's surface
◉ intrusive igneous rock. Answer: rock formed from the cooling and
solidification of magma beneath Earth's surface
, ◉ Weathering. Answer: The breaking down of rocks and other materials
on the Earth's surface.
◉ Mechanical weathering (physical weathering). Answer: reduces solid
rock to smaller fragments but does not alter the chemical composition of
the rocks and minerals
◉ chemical weathering processes. Answer: oxidation, carbonation,
hydrolysis
◉ Oxidation. Answer: A chemical change in which a substance
combines with oxygen, as when iron oxidizes, forming rust
◉ Carbonation. Answer: Carbon dioxide in rainwater reacts with certain
types of rocks
◉ Hydrolysis. Answer: water softens minerals in rocks
◉ Abrasion. Answer: The grinding away of rock by other rock particles
carried in water, ice, or wind
◉ ice wedging. Answer: Process that splits rock when water seeps into
cracks, then freezes and expands.