Earth Layers & Structure
Which layer of Earth do humans live on?
A Crust
B Mantle
C Inner core
Plate Tectonics
A Continental drift
B Plate tectonics
C Earth expansion
The breakdown of rock into smaller pieces is called
A Weathering
B Erosion
C Sedimentation
Vibrations traveling through Earth during an earthquake are
A Plate shifts
B Mantle currents
C Seismic waves
Preserved remains of ancient organisms are called
A Minerals
B Fossils
C Crystals
Which layer of Earth is the thickest?
A Crust
B Mantle
C Inner core
When two continental plates collide, what usually forms?
A Ocean trenches
B Volcanoes
C Mountain ranges
The movement of rock by wind, water, or ice is called
A Weathering
B Erosion
C Deposition
The instrument used to detect earthquakes is called a
A Seismograph
B Thermometer
C Barometer
Layers of rock that build up over time are called
A Strata
B Plates
C Magma
Which layer of Earth is made mostly of solid iron and nickel?
A Mantle
B Crust
C Inner core
Where one tectonic plate sinks beneath another is called a
A Subduction zone
B Transform boundary
C Rift valley
Molten rock beneath Earth’s surface is called
A Lava
B Ash
C Magma
Which scale measures earthquake magnitude?
A Mercalli scale
B Richter scale
C Seismic scale
Rock formed when magma or lava cools is
A Sedimentary rock
B Metamorphic rock
C Igneous rock
Which Earth layer contains convection currents that move tectonic plates?
A Mantle
B Outer core
C Crust
At a spreading ridge, tectonic plates
A Move together
B Move apart
C Slide past each other
Molten rock that reaches Earth’s surface is called
A Lava
B Magma
C Granite
Which scale measures earthquake damage?
A Richter scale
B Magnitude scale
C Mercalli scale
Rock formed when heat and pressure change existing rock is
A Sedimentary rock
B Metamorphic rock
C Igneous rock
Which layer of Earth is liquid and helps create Earth’s magnetic field?
A Mantle
B Outer core
C Inner core
Which plate boundary is common in California and causes earthquakes?
A Divergent boundary
B Convergent boundary
C Transform boundary
The process of removing metal from rock using high heat is called
A Sedimentation
B Smelting
C Weathering
Volcanoes most often form where
A Plates interact
B Rivers flow
C Wind erodes land
Rock formed when sediments are compacted together is
A Sedimentary rock
B Igneous rock
C Mantle rock