Layers of the Earth, rocks, boundaries and Earth's history.

Underneath the crust is the __________ the largest layer, composed of rocky oxides and silicates under high pressure.

• Core

• Mantle

• Crust

At the very surface of the Earth is the_______________________

• Crust

• Core

• Mantle

Intense heat causes the rocks to rise and then cool and sink. The process is called _______________, which causes the crust to move.

• Convection currents

• Tectonic Plates

• Continental drift

Rocks that forms from cooled magma or lava are___________________________________

• Igneous rocks

• Intrusive rocks

• Metamorphic rocks

Select the correct order on the sequence of sedimentary rock formation

• Weathering and erosion, transportation, deposition, compaction, and cementation.

• Weathering and erosion, deposition, cementation, compaction, and transportation.

• Weathering and deposition, erosion, cementation, transportation, and compaction.

Geologist noticed that evidence from the ________________ record supported continental drift.

• Fossils

• Rocks

• Plates

What features did scientists observe that made them think that all the continents were once together as a big supercontinent?

• The continents look as though they could fit together.

• They knew that continents are moving.

• The continents are big tectonic plates.

Plates move apart__________________________

• Divergent boundaries

• Convergent boundaries

• Transform boundaries

Plates come together or __________________

• Converge

• Diverge

• Transform

Plates slip past each other along a ___________________________

• Divergent boundary

• Convergent boundary

• Transform boundary