SSHS Geology Midterm Practice
The Earth's system that include oceans, rivers, lakes, and ice. - Answer Hydrosphere
A hot, turbulent mixture of expanding gases and volcanic ash that flows rapidly down
the side of a volcano. - Answer Pyroclastic Flow
The movement of magma from deep in the Earth to the surface due to changes in
density. - Answer Convection
The ______ is the largest of the Earth's interior layers. - Answer Mantle
The outermost part of Earth's layers. - Answer Crust
Earthquakes, volcanoes, landslides, and floods are examples of ________. - Answer
Geologic hazards
The crust and uppermost part of the mantle make up the ________. - Answer
Lithosphere
What are the two types of crust? - Answer Continental and Oceanic
What are the two engines that power the Earth? - Answer The Sun (External), Earth's
Hot Core (Internal)
The lithosphere is broken up into _______ plates. - Answer Tectonic
The plate boundary where tectonic plates move together. - Answer Convergent
Rocks at the Earth's surface are broken down into _____. - Answer Sediments
This word means to "turn to stone". - Answer Lithification
The process where rocks are broken down by wind, water, and ice. - Answer
Weathering
Sedimentary rocks are formed by these processes. - Answer Compaction and
Cementation
What is the geologic age of the Earth? - Answer 4.5-4.6 Billion Years old
How long ago did the dinosaurs die out? - Answer 65 million years ago
An atom is called an ______ if it has a different number of neutrons than protons. -
Answer Isotope
What are the two most abundant elements in Earth's crust? - Answer Silicon and
Oxygen
The Earth's system that include oceans, rivers, lakes, and ice. - Answer Hydrosphere
A hot, turbulent mixture of expanding gases and volcanic ash that flows rapidly down
the side of a volcano. - Answer Pyroclastic Flow
The movement of magma from deep in the Earth to the surface due to changes in
density. - Answer Convection
The ______ is the largest of the Earth's interior layers. - Answer Mantle
The outermost part of Earth's layers. - Answer Crust
Earthquakes, volcanoes, landslides, and floods are examples of ________. - Answer
Geologic hazards
The crust and uppermost part of the mantle make up the ________. - Answer
Lithosphere
What are the two types of crust? - Answer Continental and Oceanic
What are the two engines that power the Earth? - Answer The Sun (External), Earth's
Hot Core (Internal)
The lithosphere is broken up into _______ plates. - Answer Tectonic
The plate boundary where tectonic plates move together. - Answer Convergent
Rocks at the Earth's surface are broken down into _____. - Answer Sediments
This word means to "turn to stone". - Answer Lithification
The process where rocks are broken down by wind, water, and ice. - Answer
Weathering
Sedimentary rocks are formed by these processes. - Answer Compaction and
Cementation
What is the geologic age of the Earth? - Answer 4.5-4.6 Billion Years old
How long ago did the dinosaurs die out? - Answer 65 million years ago
An atom is called an ______ if it has a different number of neutrons than protons. -
Answer Isotope
What are the two most abundant elements in Earth's crust? - Answer Silicon and
Oxygen
