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Natural Hazards Unit Test
1. What happens at a hot spot?
a. A hot spot is where the temperature is significantly hotter than a regular volcano
b. A hot spot is where magma pushes through the crust above usually in the middle of a plate
c. A hot spot is a location where scientists know a volcano will erupt in 24 hours
d. A hot spot is where magma escapes between two boundaries
2. The Ring of Fire got its name from the number of _______________ that occur in this area.
a. Earthquakes
b. Volcanoes
c. Typhoons
d. Forest fires
3. Which of these tectonic plate boundaries is most likely to form a volcano?
a. An oceanic plate colliding into a continental plate
b. A continental plate sliding past a continental plate
c. An oceanic plate sliding past a continental plate
d. A continental plate colliding with a continental plate
4. The Ring of Fire that surrounds the Pacific Ocean is largely subduction zones, which account for the
numerous ______________ that gives it its name.
a. Mountains
b. Forest fires
c. Islands
d. Volcanoes
5. An opening on the Earth’s surface through which molten rock flows and the material that builds up
around the opening together form a…
a. Subduction zone
b. Convergent boundary
c. Volcano
d. Trench
6. _________________ is the force that pulls rocks apart.
a. Compression
b. Shearing
c. Tension
7. Volcanoes occur…
a. Only along divergent plate boundaries
b. Only along convergent plate boundaries
c. Only at hot spots
d. At convergent plate boundaries, divergent plate boundaries, and hot spots
8. The diagram to the right shows the specific type of
plate movement that results in the formation of
volcanoes. This type of plate movement is known as
______________.
a. Transform faulting
b. Subduction
c. Seafloor spreading
d. Volcanic eruption
9. Which of these could cause a volcanic eruption?
a. One plate sliding under another plate and
sinking deep into the Earth
b. A sudden shift of one plate on another plate
c. A crack developing in the Earth’s core
d. A slow collision of two plates
10. Where does the lava from volcanoes come from?
a. Igneous rock
b. Sedimentary rock
c. Ocean
d. Mantle
11. An area of volcanic activity far from a tectonic plate boundary is called a(n)
a. Mantle plume
b. Island arc
c. Cone
d. Hot spot
12. The Hawaiian Islands are in the middle of a large tectonic plate with many volcanoes. The volcanoes
are the direct result of the tectonic plate
a. Applying great pressure on the crust causing constant earthquakes
b. Moving over a hot spot where magma breaks through the crust
c. Colliding with one another tectonic plate and being forced upward
13. Most volcanoes occur (bubble in as many as apply):
a. Along convergent boundaries (at subduction zones)
b. Along divergent boundaries
c. Randomly
d. Far from tectonic plate boundaries
14. The North American plate is a continental crustal plate that tends to slide past another continental
crustal plate called the Pacific plate. Which of the following is MOST likely to occur along these crustal
plate boundaries?
a. An earthquake
b. A tornado
c. A tsunami
d. Seafloor spreading
15. Which of the following is NOT true regarding tsunamis?
a. Tsunamis gain height as the drag on the shallow bottom of the coast
b. They usually occur in the Pacific Ocean
c. They can be caused by underwater earthquakes
d. Tsunamis start as giant waves in the open ocean that are much taller than regular waves.
16. Which of the following terms is a fracture in the Earth’s crust caused by movement?
a. Fault
b. Ravine
c. Valley
d. Riptide
17. Hot spot volcanoes like Hawaii occur at
a. A convergent boundary, melting part which rises back up forming volcanoes.
b. The center of a plate where magma melts its way through the crust forming a volcano.
c. A divergent boundary lets magma rise to the surface forming new land.
d. A transform boundary which causes earthquakes that crack the earth letting magma out.
18. Most volcanoes occur
a. At tectonic plate boundaries
b. In high, folded mountain ranges.
c. In the mid-Atlantic ridge
d. In the middle of tectonic plates
19. When the plates stick on the Earth’s surface, what type of energy builds up until it is finally released
and results in an earthquake?
a. Heat energy
b. Kinetic energy
c. Potential energy
d. Seismic energy
20. At which of the following locations is it most likely for an earthquake to occur?
a. Near a volcano
b. Along the coast
c. On a fault
d. In a fissure
21. Breaks in the Earth’s crust are called ______________.
a. Reefs
b. Faults
c. Tectonic plates
d. Earthquakes
22. What could an earthquake create if a region of ocean floor is displaced?
a. Tsunami
b. Change in weather
c. Liquefaction
d. Low tide
23. Earthquakes would be considered a rapid release of _____________.
a. Gases
b. Energy
c. Lava
d. Steam
24. The diagram on the right shows the sudden shifting of one
continental plate along another. This sudden shifting results in
a. An earthquake
b. The formation of volcanoes
c. Seafloor spreading
d. The formation of a mountain range
25. Major geological events like volcanic eruptions, earthquakes, or
mountain formations are MOST likely to occur
a. Along sedimentary rock formations
b. In the center of a tectonic plate
c. Along metamorphic rock formations
d. At the boundary of two tectonic plates
26. What is the difference between P waves and S waves?
a. P waves can travel though solids and liquids while S waves can only travel through solids
b. P waves are slower than S waves
c. S waves travel side to side and P waves travel up and down.