Geological Terms
Rock Types
Earth Processes
Ocean Features
Sediment Types
100

What is the natural home of an organism?

Habitat

100

What is the light-colored rock that forms the continental crust?

granite

100

What is the term for the process of breaking down rocks?

weathering

100

What is the name of the continuous volcanic mountain range in the ocean?

mid-ocean ridge

100

What type of sediment is made from the remains of marine organisms?

siliceous ooze or biogenous sediment

200

what is the earth's innermost layer?

core

200

What is the dark-colored rock that forms the oceanic crust?

basalt

200

What is the process of new sea floor formation?

sea-floor spreading

200

What is a narrow depression in the sea floor called?

Trenches

200

What is concept that is used to indicate that all oceans on Earth are interconnected.

world ocean

300

What type of rock forms the sea floor?

basalt

300

What type of rock is formed from the weathering of others?

lithogenous sediment

300

What is the downward movement of a plate called?

Subduction

300

What is the gently sloping area at the base of the continental slope?

continental rise

300

What sediments are derived from the breakdown of rocks?

lithogenous sediment

400

What is the semiliquid layer between the crust and core?

mantle

400

What sediment consists of the shells of marine organisms?

calcareous ooze

400

What are the regions of Earth's lithosphere that move?

tectonic plates

400

What is the flat region on the deep-sea floor?

abyssal plain

400

What is the term for sediment made of calcium carbonate?

calcareous ooze

500

What do you call the movement of continental masses?

continental drift

500

What is the term for sediment made of silica?

siliceous ooze

500

What is a crack in Earth's crust usually formed when pieces of crust move past each other. 

fault

500

What is the term for a submarine volcano?

seamount

500

What do you call a microscopic fossil?

Microfossils

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