Q&A Hero

Physic

Q: The slow, particle-by-particle movement of weathered debris down a slope is called ______________.
Q: The downslope movement of an unbroken block of rock or soil, which leaves a curved depression on the slope, is called a(n) ______________.
Q: The fast, downslope movement of large blocks of weathered materials is called a(n) ______________.
Q: The downslope movement of soil and rock under the influence of gravity is known,in general, as ______________.
Q: Regions on Earth that have the driest climates are known as ______________.
Q: Material that is transported and deposited by ice is called ______________.
Q: A(n) ______________ glacier is one in which a valley floor is covered with glacial ice.
Q: Greenland and Antarctica are covered with glacial ice sheets called ______________ glaciers.
Q: At the end and along the sides of a glacier, the sediment deposits may form ridges known as ______________.
Q: Small glaciers, called ______________ glaciers, form along mountains in hollow depressions that are protected from the Sun.
Q: A large ice mass that flows on a land surface under the influence of gravity is called a(n) ______________.
Q: The principal landform resulting from a stream's erosive power is its ______________-shaped valley.
Q: A river's suspended load and bed load may accumulate at its mouth and form a(n) ______________.
Q: A stream's load is divided into three components: dissolved load, ______________ load, and bed load.
Q: A stream's load is divided into three components: ______________ load, suspended load, and bed load.
Q: A stream's load is divided into three components: dissolved load, suspended load, and ______________ load.
Q: The chemical alteration of preexisting rocks by chemically reactive, hot-water solutions is called ________________ metamorphism.
Q: A mineral that looks glassy is said to have a(n) _______________ luster.
Q: Marble and gneiss are classified as ______________ rocks.
Q: Gabbro and rhyolite are classified as ______________rocks.
Q: Conglomerate and breccia are classified as ______________ rocks.
Q: Mount Saint Helens is the type of volcano known as a(n) ______________.
Q: Volcanoes are formed by the eruptions of both lava and pyroclastics form steeply sloping, layered cones called ______________.
Q: Magma viscosity depends on the ______________ content and the temperature of the magma.
Q: Magma viscosity depends on the silica content and the ______________ of the magma.
Q: The Hawaiian Islands and the Emperor seamount chain were formed when the Pacific plate rode over a(n) ______________.
Q: A(n) ______________ is the surface expression of magma that originates in the asthenosphere and deeper.
Q: Solids emitted by volcanoes can range in size from fine dust to boulders. Such solids are known collectively as ______________.
Q: _____________, lava, and pyroclastics are the three general products emitted during a volcanic eruption.
Q: Gas, ______________, and pyroclastics are the three general products emitted during a volcanic eruption.
Q: Gas, lava, and ______________ are the three general products emitted during a volcanic eruption.
Q: Gas, lava, and pyroclastics are the three general products emitted during a(n) _____________.
Q: The asthenosphere is the region of Earth directly below the ______________.
Q: Volcanoes are so numerous along the margins of the Pacific Ocean that the region has been dubbed the ______________.
Q: The theory that Earth's lithospheric plates are in constant, slow motion is called plate _____________.
Q: The sequence of interrelated events by which rocks are formed, altered, destroyed, and re-formed is known as the _____________.
Q: The two principal agents of metamorphism are pressure and _____________.
Q: Regional metamorphism causes a parallel arrangement of mineral grains that results in a pronounced layering of the rock. The layering is known as _____________.
Q: The two principal agents of metamorphism are heat and _____________.
Q: Rocks formed by changes in structure or mineral content while remaining in the solid phase are classified as _____________.
Q: Stratification, or _____________, is the layering that develops at the time sediments are deposited.
Q: Sediments that are composed of solid fragments derived from preexisting rocks are called ______________ sediments.
Q: Sediments that are transported to the sea in solution are known as ______________ sediments.
Q: Particles of sand, mud, and rock fragments deposited along rivers, in lakes, and on the seafloors are called by the general term _____________.
Q: The sedimentary rock known as ______________ consists of angular pebbles cemented together by silica, calcium carbonate, or iron oxide.
Q: The sedimentary rock known as ______________ consists of rounded pebbles cemented together by silica, calcium carbonate, or iron oxide.
Q: The sedimentary rock known as ______________ consists of deposits of calcium carbonate (calcite).
Q: Rocks formed from consolidated sediment deposited in layers are known as _____________ rocks.
Q: Dripstone formations that form on cavern ceilings are called _____________.
Q: Dripstone formations that form on cavern floors are called _____________.
Q: The largest plutons are called ______________.
Q: Dikes are examples of ______________ plutons.
Q: Laccoliths and sills are examples of ______________ plutons.
Q: Intrusive igneous rock formations that cut more or less vertically across older formations are said to be ______________.
Q: Intrusive igneous rock formations that lie more or less parallel to older formations are said to be ______________.
Q: Igneous rocks are classified according to their silica content, or color, and their __________.
Q: The physical characteristic that is used to distinguish intrusive igneous rocks from extrusive igneous rocks is _____________.
Q: The saying "The present is the key to the past" isa simple way to state the basic geologic concept of ______________.
Q: The scientist ______________ is generally regarded as "the father of geology."
Q: A general name for an intrusive igneous rock formation is ______________.
Q: Rocks solidified from molten material below ground are classified as ______________ igneous rocks.
Q: Rocks solidified from molten material above ground are classified as ______________ igneous rocks.
Q: Rocks solidified from molten material, either below or above ground, are classified as ______________ rocks.
Q: Molten rock material on Earth's surface is known as ______________.
Q: Underground molten rock material is known as ______________.
Q: Silicates are minerals that have the oxygen and silicon ______________ as their basic structure.
Q: A(n) ______________ is a cohesive aggregate of one or more minerals.
Q: The brilliancy of a gem is a function of its index of ______________.
Q: A(n) ______________ is any mineral or other precious or semiprecious stone valued for its beauty.
Q: The term ______________ refers to the tendency of some mineral to break along flat planes at definite angles.
Q: The size and shape assumed by the crystal faces when a mineral crystal has time and space to grow are known as the mineral's ______________.
Q: The ratio of a mineral sample's weight to the weight of an equal volume of water is called the mineral's ______________.
Q: When a mineral's surface reflects light in a manner similar to a smooth metal, the mineral is said to have a(n) ______________ luster.
Q: The softest mineral on the Mohs hardness scale is named ______________.
Q: The hardest mineral on the Mohs hardness scale is named _____________.
Q: A set of ten minerals used as reference standards in determining hardness is called the______________ hardness scale.
Q: Orthoclase and plagioclase are the two major types of _____________.
Q: The term ______________ refers to the way in which a mineral breaks into splinters, irregularly shaped pieces, or shell-shaped surfaces.
Q: The color of a mineral's powder is called its _____________.
Q: The appearance of a mineral's surface in reflected light is called its ______________.
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