Changes in the Earth Flashcards
Earth
What is the process called when the Earth’s surface is worn away by natural forces?
Erosion
True or False: The Earth’s crust is thicker under the continents than under the oceans.
True
Fill in the blank: The movement of tectonic plates can lead to the formation of __________.
Mountains
What is the term for the gradual change in the Earth’s climate over a long period?
Climate change
Which layer of the Earth is liquid?
Outer core
What are the three main types of rocks?
Igneous, sedimentary, and metamorphic
Multiple Choice: Which of the following is a result of volcanic activity? A) Earthquake B) Tsunami C) Lava D) Erosion
C) Lava
What is the theory called that explains the movement of the Earth’s plates?
Plate tectonics
True or False: Weathering is the process that breaks down rocks into smaller pieces.
True
What is the term for the sudden release of energy in the Earth’s crust that causes shaking?
Earthquake
Fill in the blank: __________ is the process by which sediment is deposited in new locations.
Deposition
What natural phenomenon is primarily caused by tectonic plate movement?
Earthquakes
Multiple Choice: Which is NOT a type of plate boundary? A) Convergent B) Divergent C) Transform D) Static
D) Static
What is the name of the supercontinent that existed millions of years ago?
Pangaea
True or False: Sedimentary rocks are formed from the cooling of magma.
False
What type of rock is formed from cooling and solidification of magma or lava?
Igneous rock
Fill in the blank: The process of __________ involves the transformation of existing rock types into metamorphic rock.
Metamorphism
What is the primary agent of erosion?
Water
Multiple Choice: Which layer of the Earth is solid? A) Inner core B) Outer core C) Mantle D) Crust
A) Inner core
What is the term for the boundary where two tectonic plates meet?
Plate boundary
True or False: Fossils can only be found in igneous rocks.
False
What is the process by which rocks are broken down by chemical reactions?
Chemical weathering
Fill in the blank: __________ is the process that causes the Earth’s surface to change shape over time.
Geological processes
What is a natural disaster caused by the sudden movement of the Earth’s crust?
Earthquake
Multiple Choice: Which process involves the transport of weathered materials? A) Erosion B) Deposition C) Weathering D) Solidification
A) Erosion
What is the main cause of volcanic eruptions?
Pressure build-up of magma
True or False: The Earth’s mantle is liquid.
False
