L9 ES Homework
Interactive Video
•
Science
•
7th - 8th Grade
•
Easy
Danielle Mortimore
Used 1+ times
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are most volcanoes located on Earth?
Deep within continental landmasses
Along the boundaries where tectonic plates meet
Exclusively on the ocean floor
Randomly distributed across the planet
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a major type of volcano mentioned in the video?
Stratovolcanoes
Shield volcanoes
Cinder cones
Calderas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is molten rock called once it escapes through vents in the Earth's crust and flows above ground?
Magma
Ash
Lava
Pyroclastic flow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the Volcanic Explosivity Index (VEI) scale measure the power of eruptions?
Each magnitude is 2 times more powerful than the one before it.
Each magnitude is 5 times more powerful than the one before it.
Each magnitude is 10 times more powerful than the one before it.
The scale measures power linearly, not logarithmically.
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