Geology 105 Exam 1 Questions with
complete solution 2025/2026
Geology - correct answer ✔The study of Earth and surrounding planets
Earth's four spheres - correct answer ✔atmosphere, biosphere, hydrosphere, lithosphere
Atmosphere - correct answer ✔
Earth's 4 spheres - correct answer ✔atmosphere, biosphere, lithosphere, hydrosphere
Atmosphere - correct answer ✔Layers of air and gases surrounding the earth.
Biosphere - correct answer ✔Consists of all life on Earth and all parts of the Earth in which life exists,
including land, water, and the atmosphere.
Lithosphere - correct answer ✔the rigid outer part of the earth, consisting of the crust and upper
mantle.
Hydrosphere - correct answer ✔All of the water on and near Earth's surface
Structure of Earth's system - correct answer ✔Earth system is powered by the sun
Nature of Scientific Inquiry (3 parts) - correct answer ✔-natural world is consistent and predictable
-goal of science is to discover patterns in nature and use knowledge to make predictions
-scientists collect facts through observation and measurments
, The Big Bang Theory - correct answer ✔a dense, hot state was followed by expansion and cooling to
create the universe
Solar Nebula Theory - correct answer ✔a huge rotating cloud of gas contracts and flattens to form a
disk of gas and dust with the sun forming in the center and eddies gathering up material to form plants
Alfred Wegener - correct answer ✔German meteorologist that suggested continental drift and Pangea
2 types of Lithosphere - correct answer ✔Oceanic and continental
Oceanic Lithosphere - correct answer ✔oceanic crust, exists in the ocean basins
Continental Lithosphere - correct answer ✔lithosphere topped by continental crust
Evidence for Continental Drift - correct answer ✔1) continents fit together like a puzzle. 2) rock
formations that split up from Atlantic 3) fossils of plants found on opposite sides of Atlantic.
Criticisms of Continental Drift - correct answer ✔Wegener couldn't explain how or why the continents
moved
Paleomagnetism - correct answer ✔The study of the alignment of magnetic minerals in rocks
Seafloor Spreading - correct answer ✔The process that creates new sea floor as plates move away from
each other at the mid-ocean ridges
Pangea - correct answer ✔All the present continents were joined, into one single continent
complete solution 2025/2026
Geology - correct answer ✔The study of Earth and surrounding planets
Earth's four spheres - correct answer ✔atmosphere, biosphere, hydrosphere, lithosphere
Atmosphere - correct answer ✔
Earth's 4 spheres - correct answer ✔atmosphere, biosphere, lithosphere, hydrosphere
Atmosphere - correct answer ✔Layers of air and gases surrounding the earth.
Biosphere - correct answer ✔Consists of all life on Earth and all parts of the Earth in which life exists,
including land, water, and the atmosphere.
Lithosphere - correct answer ✔the rigid outer part of the earth, consisting of the crust and upper
mantle.
Hydrosphere - correct answer ✔All of the water on and near Earth's surface
Structure of Earth's system - correct answer ✔Earth system is powered by the sun
Nature of Scientific Inquiry (3 parts) - correct answer ✔-natural world is consistent and predictable
-goal of science is to discover patterns in nature and use knowledge to make predictions
-scientists collect facts through observation and measurments
, The Big Bang Theory - correct answer ✔a dense, hot state was followed by expansion and cooling to
create the universe
Solar Nebula Theory - correct answer ✔a huge rotating cloud of gas contracts and flattens to form a
disk of gas and dust with the sun forming in the center and eddies gathering up material to form plants
Alfred Wegener - correct answer ✔German meteorologist that suggested continental drift and Pangea
2 types of Lithosphere - correct answer ✔Oceanic and continental
Oceanic Lithosphere - correct answer ✔oceanic crust, exists in the ocean basins
Continental Lithosphere - correct answer ✔lithosphere topped by continental crust
Evidence for Continental Drift - correct answer ✔1) continents fit together like a puzzle. 2) rock
formations that split up from Atlantic 3) fossils of plants found on opposite sides of Atlantic.
Criticisms of Continental Drift - correct answer ✔Wegener couldn't explain how or why the continents
moved
Paleomagnetism - correct answer ✔The study of the alignment of magnetic minerals in rocks
Seafloor Spreading - correct answer ✔The process that creates new sea floor as plates move away from
each other at the mid-ocean ridges
Pangea - correct answer ✔All the present continents were joined, into one single continent
