The outside part of something is called the ___________.
surface
core
layer
magma
Some people ___________ the land near volcanoes because the soil is good for growing crops.
farm
die
swim
escape
True or False: Humans always know when a volcano is going to erupt.
False: Many volcanoes can erupt without warning!
volcanoes erupt thick and thin lava. True / False
True
A volcano called Mount St. Helens erupted in the year ____________.
1990
1980
2020
2000
Most of the volcanoes on Earth are in a circle called the ________ of __________.
Ring of Fire.
Fire of Ring
Fire of Lord
Lord of Fire
True or False: Volcanoes are large mountains that pour out lava.
False: Volcanoes start deep beneath the Earth's surface.
The layer of rock below the Earth's crust is called the _________.
mantle
magma
ash
lava
Most volcanoes are near the ___________ Ocean.
Indian
Atlantic
Pacific
Arctic
If you walk on hot lava, it can melt your shoes. True / False
True
Lava is made from hot liquid _________.
cloud
rock
water
gas
True or False: 20 years after Mount St. Helens erupted, everything around the volcano is still dead.
False: Trees have grown back and animals live in the forests again.
When a volcano is "active" it can ____________.
erupt
sleep
be off
die
True or False: Many people live near volcanoes.
True.
Earth has ________________ of volcanoes.
thousands
millions
hundreds
10
What is another word for Earth's surface?
Crust.
Air
Land
Surface
To _____________ means to break open or shoot out suddenly.
die
active
erupt
explode
About ______________ of the volcanoes on Earth are active now.
100
2500
1500
500
Some volcanoes form on _________ and others rise up from the bottom of the ____________.
land; ocean
underground; land
air: land
space: land