Volcanoes Crossword Puzzle
Complete the crossword below
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Across
2. An opening in the Earth that magma is forced out
of.
4. Hot, liquid rock INSIDE the Earth.
6. This is the name for rock, ash, and other materials
ejected violently from a volcano.
8. This type of eruption involves low-silica magma.
Low-silica magma is thin and runny and flows easily,
like out of a shield volcano.
9. The Ring of Fire is a group of volcanoes circling the
_____________ Ocean.
13. Hot, liquid rock OUTSIDE the Earth.
16. A _____________ zone is where one plate is
pulled under another and melts, forming magma.
19. This is a hot surge of gases and rock that moves
down the side of a volcano.
21. The 2010 and 2012 World Series Champions.
22. This city was buried by a lahar from Nevado Del
Ruiz.
24. If there is a lahar, people are safer living on/in a
______________.
25. This type of eruption involves high-silica magma.
High-silica magma is thick and sticky and can build up
in a volcano's pipe, plugging it like a cork. This
pressure builds up until.... BOOM!
28. This type of volcano is considered, 'sleeping'.
Scientists expect it to awaken in the future and
become active.
29. A bowl shaped hole in the surface of the Earth.
30. When Laki erupted, many people froze to death,
ice formed on the gulf of Mexico, and crops died. This
is evidence that volcanic eruptions can cause global
temperatures to ___________.
Down
1. This city was buried by tephra from Mt. Vesuvius.
3. It is very unlikely that this type of volcano will ever
erupt again.
5. This is the age that Ms. Nowell is turning this week!
7. This type of volcano is currently erupting or has
shown signs that it will erupt in the near future.
10. This type of volcano is usually small, steep, and is
made of layers of cinder. It has a prominent crater.
They are not very dangerous.
11. If the magma chamber completely empties, the
crater can collapse, creating a large basin called a
_______________.
12. Magma is ___________ dense than the
surrounding rock, so it flows upwards.
14. A large underground pool of liquid magma.
15. This very tall and steep volcano is made of layers
of lava, ash, pyroclastic flow debris, and tephra. They
can be very dangerous.
17. This is a material made from the elements oxygen
and silicon. The amount of it in magma determines if
magma is thin and runny or thick and sticky.
18. These are particles of rock that are ejected from a
volcano, for example, from Lava Butte.
20. Many volcanoes are found near ______________
boundaries, where plates are forced TOGETHER.
23. Ms. Nowell's first name.
26. Massive mudflows caused by volcanic eruptions.
They occur because water, whether from rain, a
melted glacier, or a crater lake, combine with ash from
the eruption.
27. This type of volcano has gently sloping sides and
is not very tall. Lava flows down it and hardens in
layers.