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Grade
7
Intro
This assessment covers the theory of plate tectonics, how plates move, the three types of plate boundaries, and fault lines. Use this guide to review key ideas, practice your vocabulary, and test yourself before the big day!
Subject
Science
Practice
Q1. Scientists discovered that rock formations along the eastern coast of Brazil closely match rock formations along the western coast of central Africa. Which statement best explains this observation?
A. Ocean currents carried the rocks from one continent to the other.
B. The two continents were once connected and have since moved apart due to plate tectonics.
C. Both regions have the same climate, which creates identical rocks.
D. Volcanic eruptions on the ocean floor deposited the same rocks on both coasts.
Q2. Which best describes the role of convection currents in plate tectonics?
A. They cool the mantle so plates stop moving.
B. They carry heat from the surface down to the core.
C. They create circular movement in the mantle that pushes and pulls tectonic plates.
D. They only affect oceanic plates, not continental plates.
Q3. Two oceanic plates are colliding, and one is sinking beneath the other into the mantle. What type of boundary is this, and what feature is most likely forming?
A. Divergent boundary; a mid-ocean ridge
B. Transform boundary; a fault line
C. Convergent boundary; an ocean trench
D. Convergent boundary; a rift valley
Standards
MS-ESS2-1
MS-ESS2-2
MS-ESS2-3
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