Natural Hazards: Module Review

Quiz
•
Science
•
7th Grade
•
Medium
+3
Standards-aligned
Tyler Higgins
Used 5+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Long streams of molten rock from volcanoes are called _____.
volcanic ash
a caldera
lava flows
a seismic event
Answer explanation
Long streams of molten rock that flow from a volcano are known as lava flows. This term specifically describes the movement of lava, distinguishing it from volcanic ash, which consists of fine particles, and other terms.
Tags
NGSS.MS-ESS2-1
NGSS.MS-ESS2-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volcanoes can form on the ocean floor.
False
True
Answer explanation
True. Volcanoes can indeed form on the ocean floor, primarily at tectonic plate boundaries or hotspots, where magma rises to the surface, creating underwater volcanic structures.
Tags
NGSS.MS-ESS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Breaks in Earth's lithosphere (crust) are called fractures.
False
True
Answer explanation
The statement is false because breaks in Earth's lithosphere are specifically called faults, while fractures refer to any break in the rock, not necessarily involving movement.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Most earthquakes occur in the centers of continents.
False
True
Answer explanation
Most earthquakes occur along tectonic plate boundaries, not in the centers of continents. Therefore, the statement is false.
Tags
NGSS.MS-ESS3-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the moment magnitude scale, each increase on the scale represents 31.5 times more energy released by the earthquake. Which is a good estimate of about how much more motion there is for a magnitude 7 earthquake than a magnitude 4 earthquake?
90 times
27,000 times
900 times
3000 times
Answer explanation
A magnitude 7 earthquake is 3 magnitudes higher than a magnitude 4. Each increase represents 31.5 times more energy, so 31.5^3 = 31.5 * 31.5 * 31.5 ≈ 27,000 times more motion, making 27,000 the correct estimate.
Tags
NGSS.MS-ESS3-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
“We all got scared and ran outside. The house was ok, but our old shed fell over.” This quote would help a researcher to place an earthquake on which scale?
Richter Scale
Modified Mercalli Scale
moment magnitude scale
all answers are correct
Answer explanation
The quote describes the effects of an earthquake, focusing on human reactions and structural damage. This aligns with the Modified Mercalli Scale, which measures the intensity of shaking based on observed effects, unlike the Richter or moment magnitude scales.
Tags
NGSS.MS-ESS3-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Earthquakes are associated with _______________.
hurricanes
faults
droughts
pyroclastic flows
Answer explanation
Earthquakes occur due to the movement of tectonic plates along faults. These faults are fractures in the Earth's crust where stress builds up and is released as seismic energy, causing earthquakes.
Tags
NGSS.MS-ESS3-2
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