QUESTIONS WITH 100% CORRECT ANSWERS!!
Plate tectonics correct answers Movement of continents and changes in the Earth's crust
caused by internal forces
Atmosphere correct answers dry gas (nitrogen, oxygen, argon carbon dioxide), water vapor,
solid particles
Troposphere correct answers closest to Earth's surface (weather related activities)
Stratosphere correct answers Very little water, ozone layer
Mesosphere correct answers Coldest layer
Thermosphere correct answers Layer extends upward into space
Mountains are caused by... correct answers volcanic action or tectonic plate collisions
Folding correct answers folding of rock layers, usually sedimentary rocks
Faulting correct answers Fractures in Earth's crust because of tension
Volcanoes are... correct answers the movement of magma through the crust and its
emergence as lava onto the Earth's surface
Active, Dormant, Extinct, and volcanoes correct answers currently/building up to an eruption,
between eruptions but internal activity, and no longer erupting
Igneous rock formation correct answers Intrusive: formed below Earth's surface. Extrusive:
formed at Earth's surface
Sedimentary Rocks correct answers created when fluid sediments are transformed into solid
rocks. Cementation is when sediments are converted to sedimentary rocks
Igneous Rocks correct answers classified according to their texture, composition, and the way
they formed. Made from magma (molten Rock)
Metamorphic rocks correct answers formed by high temperatures and great pressure. Process
is called metamorphism.
Minerals correct answers natural, nonliving solids with a defined chemical composition and
crystalline structure
Glaciers correct answers bodies of ice that move over the land due to gravity.
Fossil correct answers remains or trace of an ancient organism
, Erosion correct answers transportation of surface materials by another moveable material
(water, wind, ice)
Deposition correct answers AKA Sedimentation, process by which material from one area is
slowly deposited into another area. result of matter being eroded.
Weathering correct answers breaking down of rocks at or near the Earth's Surface
The several eras correct answers precambrain (no life), paleozoic (continents and sea
animals), Mesozoic (reptiles, new landforms), Cenozoic (ice age, mammals, humans
evolving)
Stratigraphy correct answers process of determining the age of rocks
Absolute Dating correct answers the use of radioactivity to determine Earth's age
Planets correct answers Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
Mercury correct answers Closest planet to the sun
Jupiter correct answers Largest planet in the Solar System
Uranus correct answers Third largest planet - gaseous planet
Pluto correct answers dwarf planet
Sun: The Core correct answers inner portion of the sun - fusion takes place
Sun: photosphere correct answers surface of the sun, produces sunspots
Sun: chromosphere correct answers Hydrogen gas causes this portion to be red
Sun: The corona correct answers The transparent area of the sun visible only during a total
eclipse.
Stars correct answers a ball of hot, glowing gas that is hot enough and dense enough to
trigger nuclear reactions.
How do astronomers measure the brightness of a star? correct answers astronomers measure
the brightness of a star by measuring its magnitude.
Constellations correct answers groups or patterns of stars
Familiar constellations correct answers Ursa Major (Big bear), Ursa Minor (Little Bear), Big
Dipper, Little Dipper
Galaxies correct answers Vast collections of stars. Earth's galaxy is the Milky Way
Pulsar correct answers variable radio source that emits signals in short, regular bursts