Vocab 1
The preserved remains or traces of an organism that lived in the past
Fossil
The process by which oceanic crust sinks beneath a deep ocean trench and back into the mantle at a convergent plate boundary
Subduction
The theory that Earth’s outer shell is broken into moving pieces is called this.
Plate Tectonics
Plates move a few of these units each year—about as fast as fingernails grow.
Option A: Feet
Option B: Inches
Option C: Centimeters
C. Centimeters
The Mid-Atlantic Ridge runs down the middle of which ocean?
The Atlantic Ocean
An evidence-based idea that can be tested by experiment or investigation
Hypothesis
A plate boundary where two plates move toward eachother
Convergent Boundary
The movement of plates is driven by currents in this hot layer of Earth.
Option A: The Crust
Option B: The Mantle
B. The Mantle
Fossils of tropical plants found in Antarctica show that Earth’s climate has done this over time.
Option A: Changed
Option B: Stayed the same
What is the deepest part of the ocean?
Ocean Trench
Undersea mountain chains where new ocean floor is produced; divergent plate boundaries under the ocean
Mid Ocean Ridge
A plate boundary where two plates move away from eachother
Divergent Boundary
The boundary where two plates slide past each other often causes these natural disasters.
Earthquakes
The Grand Canyon shows this type of slow geologic process.
Erosion
The term ____________ refers to Earth's crust and to the major processes that occur in it
Option A: Tectonic
Option B: Drift
A. tectonic
An undersea valley that represents one of the deepest parts of the ocean
Ocean Trench
An idea that has been studied and investigated and is supported by a vast and diverse array of evidence
Theory
The "Ring of Fire" around the Pacific Ocean is known for these:
Option A: Volcanoes and Earthquakes
Option B: Blizzards and Hurricanes
A. Volcanoes and Earthquakes
Fossils of the same species found on different continents support this idea.
Option A: Continental Sameness
Option B: Continental Drift
B. Continental Drift
The Latin root ___ means Earth
Option A: Duo
Option B: Geo
B. Geo
The process by which molten material adds new oceanic crust to the ocean floor
Sea-Floor Spreading
A plate boundary where two plates move past each other in opposite directions
Transform Boundary
Continents once formed a supercontinent called _________________
Pangaea
Layers of ash in rocks can tell scientists that this event happened long ago.
Option A: Volcanic Eruption
Option B: Blizzard
Option C: Hurricane
A. Volcanic Eruption
Freebie
You get the points!