Science PMA 2 Review-2024

Front

What scale is used to report the intensity of an earthquake?

Back

Modified Mercalli Scale

Front

What process occurs at subduction zones that leads to the formation of volcanic islands?

Back

Melting of oceanic crust at subduction zones.

Front

Why does oceanic crust generally subduct under continental crust?

Back

The oceanic crust is denser than the continental crust.

Front

What is the correct order of the processes involved in sedimentary rock formation?

Back

Weathering, erosion, deposition.

Front

Why do different constellations appear in the night sky during different seasons?

Back

Earth revolving around the sun.

Front

What is oceanic crust primarily composed of?

Back

Basalt.

Front

What is continental crust primarily composed of?

Back

Granite.

Front

What is the main reason for the formation of an island arc?

Back

Converging tectonic plates.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks, while erosion is the movement of those broken rocks.

Front

What is deposition in the context of sedimentary processes?

Back

The laying down of sediment carried by wind, water, or ice.