Boundaries STAAR Bootcamp W8

Quiz
•
Science
•
8th Grade
•
Medium
+2
Standards-aligned
Rebecca Kellerman
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Two oceanic plates are shown in the image.
Which type of boundary results in the spreading of the oceanic ridge?
Convergent boundary
Subduction boundary
Transform boundary
Divergent boundary
Answer explanation
The spreading of the oceanic ridge is a result of a divergent boundary where two plates move away from each other, allowing magma to rise and create new crust.
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
This picture shows scratches in bedrock that were caused by a moving glacier. These scratches are called glacial striations.
Glacial striations in the bedrock of South Africa indicate that glaciers once moved across the African continent. The presence of glaciers on the surface of Africa is evidence that —
the tectonic plate under Africa was closer to the South Pole at one time
the equator was not always where it is currently located
volcanoes did not exist until after faults occurred in Earth's crust
the location of the North Pole and the South Pole changed
Answer explanation
The correct choice is that the tectonic plate under Africa was closer to the South Pole at one time, as indicated by the presence of glacial striations in South Africa's bedrock.
Tags
NGSS.MS-ESS2-2
NGSS.MS-ESS3-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
The diagram below shows a model of the movement of two tectonic plates. When the plates collide, one plate often moves below the other plate.
The rising magma that can result from this type of plate movement may produce —
fossil layers
volcanic islands
deep-sea sediment
seafloor spreading
Answer explanation
When tectonic plates collide, rising magma can lead to the formation of volcanic islands.
Tags
NGSS.MS-ESS2-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Rift valleys can form when fractures in Earth’s crust widen. The valley walls slowly move at a rate of only a few millimeters a year. Which of these best describes the type of tectonic activity that forms rift valleys?
Rift valleys form where a continental plate moves under an oceanic plate.
Rift valleys form where a plate slides horizontally past another plate.
Rift valleys form where two plates move away from each other.
Rift valleys form where an oceanic plate moves under another oceanic plate.
Answer explanation
Rift valleys form where two plates move away from each other.
Tags
NGSS.MS-ESS2-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
A teacher asks students to make a model of a transform plate boundary. The students use blocks to represent tectonic plates and slide the blocks past each other in the directions of the arrows as shown.
Which event can the students best demonstrate with their model?
An earthquake
A volcanic eruption
Formation of a rift valley
Building up of a mountain
Answer explanation
The students can best demonstrate an earthquake with their model as transform plate boundaries are known for causing earthquakes due to the sliding of tectonic plates past each other.
Tags
NGSS.MS-ESS3-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
A mid-ocean ridge is located at the boundary of two tectonic plates. Which diagram correctly models the relative plate motion on each side of a mid-ocean ridge?
Tags
NGSS.MS-ESS2-2
NGSS.MS-ESS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
The map below shows the locations of four active volcanoes in the Caribbean Sea.
What do these volcanoes indicate about plate tectonics in the region?
The volcanoes form an island arc, indicating a converging plate boundary.
The volcanoes form a line, indicating a diverging plate boundary.
Two plates are moving past each other, causing faulting and magma formation.
Two plates are moving apart, creating new seafloor.
Answer explanation
The volcanoes form an island arc, indicating a converging plate boundary.
Tags
NGSS.MS-ESS2-2
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