Investigate Earth's lithospheric plates, mantle convection currents, convergent, divergent, and transform boundaries with authentic diagrams.
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Grade 6 · science · Matching answer key included · US Letter and A4
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Distinguish crust, mantle and core and recognize a simple layer model.
Tectonic plates include crust and uppermost mantle; the mantle is mostly solid rock that deforms over time, not an ocean of liquid magma.
Connect one plate boundary type to a possible geological event.
What is the primary heat-transfer mechanism within Earth's semi-molten mantle that drives the slow motion of tectonic plates?
Answer: B. Unequal heating deep within Earth creates slow-churning convection currents in the plastic asthenosphere that drag the overlying lithospheric plates.
Intended curriculum references: NGSS.MS-ESS2-1 · NGSS.MS-ESS2-2. These references describe learning goals; they are not endorsements.
Published 2026-10-02; updated 2026-10-02. Original MakeWorksheet practice. Automated consistency checks support publication; independent subject-specialist review is not recorded. Read our editorial policy.
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