Earth's Layers
Earth's Plates
Earthquakes
Volcanoes
Random
100
What layer do humans live on?
crust
100
Earth's lithosphere is broken into huge pieces called ________________________.
plates
100
Earthquakes happen when the Earth's plates do what?
Slide past one another
100
Define volcano?
An opening in Earth's crust
100
Lava is more than _________________ degrees Celsius. A. 1,000 B. 100 C. 10
A. 1,000
200
What is the Earth's thickest layer?
mantle
200
The Earth's lithosphere is made up of what two layers?
crust and mantle
200
When a plate cracks, the crack is called a ______________________.
fault
200
Molten means?
melted
200
Nature _________________ after a volcano explodes and cools.
regenerates / rebuilds
300
Which layer is made of hot, liquid metal?
outer core
300
When the Earth's plates collide they form _________________________.
mountains
300
What is the name of the middle of the earthquake?
epicenter
300
Molten rock inside the volcano is called ________________.
magma
300
Volcanoes can be extinct, dormant or _________________.
active
400
What type of metal is the inner core made of?
Iron
400
When the Earth's plates move apart they form _________________________.
rift valleys
400
The earth's surface is ________________. A. inflexible B. flexible
B. flexible
400
Magma that flows out of a volcano is called ______________________.
lava
400
The plates that make up the crust of the earth are known as __________________ plates.
Tectonic
500
Name the four layers that make up Earth.
crust mantle outer core inner core
500
The place where Earth's plates meet is called a _____________________.
boundary
500
Every year there are ____________________ of earthquakes all over the world. A. hundreds B. millions C. thousands
C. thousands
500
How many different types of volcanoes are there?
Three
500
Most earthquakes start as stored up, or _________________ energy in the rock. A. potential B. kinetic
A. potential
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