Earth’s Layers
What is the outermost layer of the Earth?
A) Core
B) Mantle
C) Crust
D) Outer Core
C) Crust
What do we call it when two plates move apart?
A) Converging
B) Sliding
C) Diverging
D) Floating
C) Diverging
What causes most earthquakes?
A) Volcanoes
B) Crustal plate movement
C) Weather
D) Gravity
B) Crustal plate movement
Where do volcanoes often form?
A) In the ocean middle
B) On top of glaciers
C) Near tectonic plate edges
D) On the equator
C) Near tectonic plate edges
What helps us study the Earth’s inside?
A) Flashlight
B) Earthquake movies
C) Diagrams and models
D) Cloud charts
C) Diagrams and models
Which layer has convection currents?
A) Crust
B) Inner Core
C) Outer Core
D) Mantle
D) Mantle
What happens when two plates push toward each other?
A) Sliding
B) Separating
C) Converging
D) Melting
C) Converging
What helps scientists find an earthquake’s center?
A) A telescope
B) A microscope
C) A seismograph
D) A thermometer
C) A seismograph
Which is a harmful effect of a volcanic eruption?
A) More animals
B) Cleaner air
C) Ash and lava
D) Less rain
C) Ash and lava
Which layer moves the tectonic plates?
A) Crust
B) Inner Core
C) Mantle
D) Clouds
C) Mantle
Which part of the core is liquid?
A) Inner Core
B) Outer Core
C) Mantle
D) Crust
B) Outer Core
What kind of boundary is the San Andreas Fault?
A) Diverging
B) Transform
C) Converging
D) Crashing
B) Transform
What usually causes a tsunami?
A) Strong winds
B) Undersea earthquakes
C) Volcanoes
D) Heavy rain
B) Undersea earthquakes
Volcanoes often form where plates are:
A) Floating
B) Converging or diverging
C) Still
D) Cooling
B) Converging or diverging
What do the dark lines on plate maps show?
A) Mountain ranges
B) River paths
C) Plate boundaries
D) Time zones
C) Plate boundaries
What is the solid center of the Earth called?
A) Crust
B) Outer Core
C) Mantle
D) Inner Core
D) Inner Core
Which of these is most likely to happen at a convergent plate boundary?
A) A large crack in the ground
B) A new ocean floor forms
C) Earth’s magnetic field changes
D) Mountains or volcanoes form
D) Mountains or volcanoes form
What moves heat and causes plates to shift?
A) Conduction
B) Radiation
C) Convection
D) Electricity
C) Convection
On an Earth diagram, where are volcanoes most likely?
A) Deep underground
B) Near plate boundaries
C) In the outer core
D) In the inner core
B) Near plate boundaries
What do arrows on plate maps show?
A) Temperature
B) Plate size
C) Plate movement
D) Earth’s speed
C) Plate movement